Planning Consultancy Companies in London: 767 Active Firms (2026)
Planning consultancies advise on development applications, policy, appeals and consents for property and infrastructure projects across London.
Buying centres cluster around development directors, land and planning teams, infrastructure sponsors and local-government officers, rather than a single procurement function. Fee income tends to come from planning strategy, application preparation, stakeholder engagement, evidence work and consent management, with projects priced as professional-services assignments rather than product subscriptions. The buying pattern is mixed: private-sector developers and landowners want permission and risk management, while public-sector clients need policy support, programme advice and defensible consultation. Specialist practices serve borough-level matters, while mid-market teams handle multi-workstream development and infrastructure programmes.
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London has 767 actively trading planning consultancy companies, making this a specialist professional-services cohort rather than a mass agency market. Reported headcount totals 3,282 people, so employment is visible but concentrated among firms with disclosed staff numbers. Scale is uneven: 19 firms report turnover above £5M, while 163 have incorporated since 2022. That mix points to a market where established practices coexist with recent, often narrower advisory teams.
Planning work sits around the statutory development-management process, not a sector licence. English local planning authorities determine applications within the development-plan framework, with material considerations able to alter the decision route. GOV.UK places that test within the Town and Country Planning Act and the Planning and Compulsory Purchase Act, while Environmental Impact Assessment can lengthen consent pathways for more complex schemes. Professional standards are commonly anchored by the Royal Town Planning Institute, whose membership directory and Code of Professional Conduct matter for buyer diligence.
Capacity rather than demand appears likely to shape the near-term market. London practices tend to sit close to land assembly, housing delivery, infrastructure consenting and borough policy work, but the sales cycle remains exposed to client financing, political scrutiny and local authority decision capacity. Recent incorporations suggest continued entry by specialist advisers, while the small upper tier by turnover implies limited scale beyond established multidisciplinary firms. Consolidation may therefore be selective, focused on policy depth, appeal capability and consent-management teams rather than broad roll-ups.
What’s in the file
One row per company, 50+ columns — everything below plus each company’s verified directors, from Companies House filings.
Company data
Verified directors — included
767
Active firms
2026
19
Above £5M
Reported turnover
163
New incorporations
Since 2022
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Key facts
About 2% of the trading cohort reports turnover above £5M (19 of 767 firms) — the rest sits below that revenue band.
21% of the cohort was incorporated since 2022 (163 firms), so a sizeable share is in its first few filing cycles.
Local planning authorities in England determine applications under the planning framework, with decisions made in accordance with the development plan unless material considerations indicate otherwise.
Statutory decision periods are 13 weeks for major development, 10 weeks for technical-details consent and public service infrastructure development, 8 weeks for other applications, and 16 weeks where Environmental Impact Assessment applies.
District-level authorities in England received 79,000 applications for planning permission in October to December 2024, down 7% year on year.
Authorities in England decided 316,100 applications and granted 271,600 decisions in the year ending December 2024.
A 2025 survey calculation described the responding consultancy market as worth more than £1 billion across 108 respondents.
Top London Planning Consultancy companies
Financial sub-scores
Computed from 5 filingsProvides planning consultancy services for property and infrastructure development, including planning strategy, development economics, socio-economic analysis, and environmental planning advice to…
Serves B2B and public-sector clients involved in property development, regeneration and infrastructure, including developers, landowners, investors and planning authorities.
Financial Health
DistressedDistressed · -59% CAGR over 5y
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Computed from 3 filingsProvides town planning consultancy services for development projects, including planning strategy, development planning advice, research, site appraisals and due diligence, community engagement, and…
Serves private and public sector clients with development aspirations, including residential, retail, commercial, industrial, education, sports and leisure, energy, health and infrastructure…
Financial Health
StrongStrong · Hiring · 41% CAGR over 2y
Location
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Computed from 4 filingsProvides town planning consultancy for property development projects, advising on planning strategy, policy analysis, stakeholder engagement, and managing applications to secure planning permission…
Serves property developers, landowners, housing associations, councils and infrastructure/public-sector bodies pursuing complex urban development schemes, mainly across London.
Financial Health
WeakWeak · -3% CAGR over 3y
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Computed from 5 filingsProvides planning and development consultancy services including planning consents, site allocations, and policy and strategy advice. Works on residential, energy and infrastructure projects,…
Serves property developers, land promoters, landowners and infrastructure sponsors working on residential, strategic land, renewable energy and digital infrastructure projects.
Financial Health
StrongStrong · Growing, Hiring · 38% CAGR over 4y
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Provides town planning and regeneration consultancy services for development projects. Advises on housing delivery, strategic land, town centres, retail and leisure, education and employment schemes,…
Serves property developers, landowners, local authorities and organisations in housing, strategic land, senior living, retail, leisure, education, employment and creative industries.
Financial Health
N/AN/A
Location
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Computed from 3 filingsProvides town planning and regeneration consultancy services. Advises on planning strategy, development management, masterplanning, and research for projects including housing, town centres, retail…
Serves public and private sector clients involved in housing, strategic land, senior living, redevelopment, town centres, retail and leisure, education, employment and creative industry projects.
Financial Health
StableStable · 0% CAGR over 2y
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Provides planning and environmental permitting consultancy for development projects including minerals extraction, waste management facilities, recycling and energy-from-waste plants, renewable…
Serves B2B developers, landowners and operators in minerals, waste and recycling, energy-from-waste, renewables, agriculture, leisure, tourism, and residential or commercial development.
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Computed from 5 filingsProvides planning consultancy services, advising clients on the UK planning system. Supports planning strategy, planning applications and development projects, guiding organisations and developers…
Serves organisations across a wide range of sectors involved in UK planning processes, including clients delivering projects at varying scales and working with local communities.
Financial Health
HealthyHealthy · Hiring · 6% CAGR over 4y
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Computed from 5 filingsProvides town planning consultancy services for property development projects, advising on planning strategy, applications and approvals for residential, commercial, leisure and heritage schemes, and…
Serves property developers, landowners and organisations undertaking residential, commercial, leisure and heritage development projects across the UK, including complex urban schemes.
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
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Computed from 5 filingsProvides planning and urban design consultancy services including masterplanning, development planning, design codes, spatial strategies, feasibility studies, planning application support, and…
Serves mainly B2B and public sector clients involved in placemaking, including local authorities, councils, developers and landowners seeking planning, urban design and regeneration support for…
Financial Health
HealthyHealthy · 1% CAGR over 4y
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Computed from 3 filingsProvides development consultancy services for land and property projects, including planning advice, architecture and urban design, environmental and biodiversity assessment, heritage consultancy,…
Serves businesses and public bodies behind built-environment schemes, including property developers, landowners, infrastructure promoters and organisations with planning or development projects.
Financial Health
WeakWeak · -29% CAGR over 2y
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Computed from 5 filingsProvides town planning consultancy for property and land development projects, advising on planning strategy, heritage considerations and community engagement, and managing planning applications to…
Serves B2B clients in property and development, including housebuilders, architects, retailers, corporate landowners and planning teams involved in residential, retail and mixed-use projects.
Financial Health
DistressedDistressed
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Computed from 5 filingsProvides town planning consultancy services, advising property developers and landowners on planning strategy, site promotion, planning applications and development management from pre‑acquisition…
Serves B2B property developers, landowners and investors involved in development projects across the UK, from pre-acquisition through site completion.
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 5y
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Computed from 5 filingsProvides town planning consultancy services including site appraisal and feasibility studies, preparation and submission of planning applications, planning appeals, planning policy advice,…
Serves private individuals, small businesses, residential and commercial developers, house builders, public bodies, professional practices and other organisations needing town planning support for…
Financial Health
WeakWeak · -3% CAGR over 4y
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Computed from 3 filingsProvides consultancy services supporting infrastructure projects, including programme and commercial management, stakeholder engagement and public consultation, town planning and consents, and…
Serves public-sector bodies, infrastructure owners, developers and major contractors delivering UK road, rail, water and building projects.
Financial Health
StableStable · -15% CAGR over 2y
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Provides property planning consultancy, architectural and interior design, and development management for residential and commercial projects. Assists landowners with planning applications, land…
Serves private landowners, property owners and developers with residential and commercial property interests, particularly across Surrey, London, the South UK and Home Counties.
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N/AN/A
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Computed from 5 filingsProvides property consultancy for infrastructure and development projects, including land referencing, asset due diligence, planning and environmental advice, land assembly, valuation, compulsory…
Serves public and private sector organisations delivering infrastructure and property schemes, including local authorities, rail and mass transit bodies, utilities, healthcare estates, renewables…
Financial Health
StableStable
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Provides property development and planning consultancy services, including project planning, architecture, interior design, environmental and ecology assessments, and development management for…
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N/AN/A
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Computed from 5 filingsProvides town planning consultancy services for development projects, advising clients on planning strategy, preparing and managing planning applications, and navigating planning policy and…
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HealthyHealthy · Growing · 0% CAGR over 4y
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Computed from 5 filingsProvides town planning consultancy services for property development, including preparation and submission of planning applications, planning appeals, site development appraisals, certificates of…
Serves homeowners, property owners, developers and businesses in London involved in residential, commercial and householder planning matters.
Financial Health
DistressedDistressed
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Computed from 5 filingsProvides urban design and planning consultancy services, including masterplanning, regeneration strategies, placemaking and public realm design. Works with developers, public authorities and…
Serves public-sector bodies, local authorities, regeneration agencies and property developers planning urban growth and regeneration projects across major cities and towns in the UK, Ireland, Europe…
Financial Health
DistressedDistressed · -12% CAGR over 4y
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Computed from 5 filingsProvides property and construction consultancy services including architecture, building surveying, civil and structural engineering, project management, planning consultancy, sustainability advice,…
Serves public and private sector property clients across the UK, including organisations in defence, education, healthcare, blue light, commercial offices, industrial, retail, telecoms, residential,…
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 5y
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Computed from 3 filingsProvides construction and property consultancy services, including project management, building surveying, quantity surveying and contract administration, development management, town planning,…
Serves developers, private residential clients, retailers, office occupiers, hospitality operators, and organisations in infrastructure, leisure, healthcare, education, manufacturing and logistics…
Financial Health
StableStable · -5% CAGR over 2y
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Computed from 3 filingsProvides townscape and heritage consultancy for development projects, preparing heritage and visual impact assessments to support planning applications. Evaluates effects of building extensions,…
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WeakWeak
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Computed from 5 filingsProvides architectural design, urban design and town planning services, including building design, masterplanning and development proposals for residential, commercial and public realm projects.
Financial Health
StrongStrong · Growing, Hiring · 46% CAGR over 4y
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Provides property and construction consultancy services including architecture, civil and structural engineering, building surveying, planning consultancy, sustainability advice, interior design,…
Serves public and private sector property owners, developers and occupiers across the UK, including clients in education, healthcare, defence, commercial offices, industrial, retail, residential,…
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Computed from 5 filingsProvides architectural and landscape design services for major transport and infrastructure projects. Works on railway stations, transport interchanges, tunnels, ventilation structures and public…
Serves public and private sector clients delivering major UK transport, infrastructure and regeneration programmes, including rail operators, engineering consortia, developers and public bodies…
Financial Health
StableStable · Hiring · 7% CAGR over 5y
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Computed from 2 filingsProvides architecture, urban design and masterplanning services for residential, commercial, mixed‑use and infrastructure developments. Services include planning, landscape architecture, interior…
Serves public and private sector clients commissioning urban development, architecture and planning projects, including city authorities, property developers, investors and institutions worldwide.
Financial Health
StableStable · 4% CAGR over 1y
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Computed from 5 filingsProvides town planning consultancy services, preparing and managing planning applications, appeals, appraisals and objections. Advises householders, businesses and developers on planning permission,…
Serves householders, property developers, small to medium businesses and larger companies, including clients with residential extensions, HMOs, flat conversions, restaurants and appeals in London and…
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StableStable · Hiring · 6% CAGR over 4y
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Computed from 5 filingsProvides town planning consultancy services advising cultural, heritage and creative sector organisations on planning policy, development proposals, and planning permission processes for projects and…
Serves B2B clients in the cultural, heritage and creative sectors, including organisations involved with arts, cultural venues, historic assets and creative projects requiring planning-related advice.
Financial Health
StrongStrong · Growing, Hiring · 16% CAGR over 4y
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Computed from 5 filingsProvides architectural design services including architecture, interior design, planning and heritage consultancy. Works on residential, commercial, cultural, mixed‑use and transport-related…
Serves public-sector bodies such as transport authorities and London boroughs, alongside property developers and organisations in culture, commercial, housing, leisure, mixed-use, transport and…
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HealthyHealthy · Growing · 0% CAGR over 4y
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Computed from 5 filingsProvides architectural, planning and placemaking services, including regeneration strategies, town centre frameworks, feasibility studies and community engagement. Designs buildings, landscapes and…
Serves public-sector bodies, regeneration partnerships, community organisations and education or public-space clients commissioning place-based projects with a social or environmental purpose.
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 4y
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Computed from 3 filingsProvides architectural design, town planning consultancy and interior design services for building and urban development projects, combining design, planning advice and project expertise to support…
Serves property developers, landowners and organisations commissioning built-environment projects, including clients with complex residential, commercial or mixed-use development needs.
Financial Health
StableStable · Profitable · -10% CAGR over 2y
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Computed from 2 filingsProvides architecture, urban design, masterplanning and planning consultancy services. Works on mixed-use, residential, commercial, hospitality and regeneration developments, delivering design,…
Financial Health
WeakWeak · -6% CAGR over 1y
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Computed from 5 filingsUrban design and planning consultancy and research organisation providing masterplanning, design codes, regeneration strategies, urban analysis and community co‑design. Conducts research and develops…
Serves local authorities, policymakers, planners, developers and community/place-making organisations involved in urban design, housing, streets, regeneration and neighbourhood development projects.
Financial Health
StrongStrong · Hiring · 16% CAGR over 4y
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Provides transport planning and highway engineering consultancy for property developments, including transport assessments, travel plans, construction logistics plans, parking surveys, and traffic…
Serves UK property developers, planning consultants, architects and design teams involved in residential, logistics, healthcare, leisure and commercial developments, often alongside local authorities.
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N/AN/A
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Computed from 5 filingsProvides conservation architecture, heritage planning, and townscape consultancy services. Conducts surveys, condition assessments, heritage statements, and planning support for historic buildings,…
Serves property owners, developers, local authorities, public bodies and design teams responsible for historic buildings, listed assets, conservation areas and townscape-sensitive development…
Financial Health
WeakWeak · -67% CAGR over 4y
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Computed from 5 filingsProvides town planning and architectural design services for residential and commercial property projects, including planning applications, planning appeals, building regulation drawings,…
Serves homeowners, property owners and small businesses such as shops, restaurants, schools and landlords needing planning, appeals, building regulation or change-of-use support.
Financial Health
StrongStrong · Hiring · 57% CAGR over 4y
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Computed from 5 filingsProvides architectural design and town planning services for commercial and residential developments. Services include feasibility studies, scheme and detailed design, production information,…
Serves commercial property developers, industrial and warehouse occupiers, hotel, retail, restaurant, leisure and education operators, plus residential developers and private clients.
Financial Health
WeakWeak · -4% CAGR over 4y
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Provides engineering and environmental consultancy services for infrastructure and development projects, including civil, structural, rail and highways engineering, transport planning, flood…
Serves public-sector infrastructure bodies, local authorities, transport agencies, utilities, developers and contractors across aviation, highways, rail, land development, water and built-environment…
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Computed from 5 filingsProvides architectural and urban design services including concept and planning design, masterplanning, technical design, sustainability consultancy and community engagement, primarily for housing…
Serves housing developers, housebuilders, contractors and local authorities involved in urban housing, regeneration, mixed-use, masterplanning, estate renewal and design-code projects.
Financial Health
StableStable
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Provides engineering, design and consulting services for the built environment, including infrastructure, buildings, transport, energy and sustainability projects. Offers multidisciplinary expertise…
Serves public- and private-sector clients developing infrastructure, buildings, energy systems and transport networks, including city authorities, developers, utilities, rail and maritime…
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Computed from 5 filingsProvides construction and infrastructure consultancy services, including development management, project management and construction management. Advises on planning and delivery of major projects,…
Targets developers, contractors, asset owners and public-sector bodies involved in construction and infrastructure programmes, with emphasis on aviation and rail projects and planning-stage…
Financial Health
StableStable
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Computed from 3 filingsProvides transport planning and traffic engineering consultancy for development projects. Services include transport assessments, travel plans, construction logistics and delivery plans, road safety…
Serves private and public sector organisations involved in development projects, including residential and commercial developers, councils, healthcare and education bodies, and hotel, leisure and…
Financial Health
StableStable · -6% CAGR over 2y
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Computed from 5 filingsProvides environmental and engineering consultancy for planning and development projects, including air quality, ecology and biodiversity surveys, flood risk and drainage assessments, transport…
Serves UK property developers, architects, planning consultants, landowners and homeowners involved in residential or commercial developments, especially those preparing planning applications or…
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DistressedDistressed · 0% CAGR over 4y
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Computed from 5 filingsProvides architectural design and planning services for infrastructure and building projects, specialising in transport-related developments such as airports, car parks and transport hubs, alongside…
Serves developers, contractors, infrastructure operators, public sector bodies and private individuals involved in road, rail, aviation, clean freight, science, healthcare and housing projects.
Financial Health
HealthyHealthy
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Computed from 3 filingsProvides architectural and urban design services, including masterplanning, urban planning, and development design for residential, mixed‑use and public realm projects, alongside research and design…
Financial Health
StableStable · -12% CAGR over 2y
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Computed from 5 filingsProvides architectural and interior design services for residential, mixed-use and leisure developments. Prepares planning applications, development advice and construction documentation, and…
Serves public, private and overseas property clients, design-build contractors and end users commissioning residential, leisure, mixed-use and heritage/listed-building projects, from home…
Financial Health
HealthyHealthy · -5% CAGR over 4y
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Computed from 5 filingsProvides civil engineering consultancy services including infrastructure planning and design, transport planning, water, drainage and flood risk assessments, air quality and noise studies, and risk…
Serves private and public sector clients, including residential and commercial property developers, local authorities, and oil or petrochemical storage facility operators involved in development and…
Financial Health
StableStable · -66% CAGR over 4y
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How London Planning Consultancy companies work and how to sell to them
What they do
London planning consultancies earn revenue through advisory assignments rather than repeatable product licences. Typical work covers planning strategy, application packs, policy evidence, consultation material, appeals support and consent management across housing, mixed-use, commercial and infrastructure schemes. Smaller instructions may be fixed-fee pieces of advice or application preparation, while larger mandates are usually staged scopes with day rates, retainers or milestone billing. The sale is mainly expertise, judgement and process control: clients pay for a lower-risk route through local planning authority scrutiny, better-prepared evidence and a clearer record of engagement with officers, consultees and local stakeholders.
Who they sell to
Most sell to property developers, landowners, investors, housebuilders, infrastructure sponsors and public-sector bodies. The buyer is often a development director, planning director, land manager, project director, regeneration officer or procurement lead, with legal and finance teams involved when consent risk affects transaction timing or project funding. Private-sector work is commonly won through referral, repeat client relationships and direct approaches around live sites. Public-sector and infrastructure work tends to involve frameworks, formal tenders or multi-consultant panels. Smaller borough-level matters can move quickly, but larger schemes usually have a longer buying cycle because planning strategy, design, viability and political risk are assessed together.
What they buy
Most planning consultancy firms tend to spend on tools and services that protect fee recovery, document control and professional credibility. Relevant categories include CRM, time recording, billing, project management, document management, mapping, planning-policy monitoring, consultation management, finance systems, HR, recruitment, cyber security and cloud collaboration. Practices working on larger schemes may also buy specialist subcontracted inputs, including transport, heritage, ecology, environmental, legal and communications support. Marketing spend is usually relationship-led rather than volume-led, so thought-leadership production, events, bid support and sector-specific content can matter more than broad demand-generation activity.
Why and how to sell to them
Planning consultancy buyers tend to evaluate suppliers when caseloads rise, senior planners leave or join, a framework place is won, a new policy area creates delivery risk, or margin leakage becomes visible on multi-workstream schemes. Common pain points include officer delays, shifting local politics, evidence coordination, audit trails for consultation and pressure to keep billable teams focused on advice rather than administration. Outbound usually works better when it speaks to consent risk, fee recovery or document discipline, rather than generic productivity. The most credible angle is to show how the offer helps planners manage scrutiny while preserving professional judgement.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
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Are these mostly new or established planning consultancy companies?
What SIC codes does this use?
What buying signals should I look for?
Buy all 1,657 companies as a spreadsheet.
One Excel/CSV file with company details, websites and key data — yours to download and use.