Gale & Snowden

What Gale & Snowden does

Gale & Snowden Architects Limited is a privately-held UK architectural practice founded in 1992 in Devon by David Gale and Ian Snowden, specialising in regenerative, Passivhaus, and Building Biology design. The firm delivers nine interconnected services through an integrated multidisciplinary team of architects, building physicists, building biologists, Passivhaus designers, permaculture designers, engineers, and technologists: Passivhaus Design & Consultancy, Building Biology Services, Permaculture Design, Architecture, Landscape Architecture, Renewable Energy Engineering, Building Physics & Low Energy Consultancy, Climate Resilient Development, and Research Services. The practice has designed over 100 Passivhaus Certified buildings including multiple UK and world firsts — the first multi-residential Passivhaus buildings in the UK (Knights Place, 2008), the first multi-residential Passivhaus-Plus Certified building (Seaton Beach, 2020), and the first two Passivhaus Leisure Centres in the world (St Sidwell's Point, 2021; Eclipse Leisure Centre, Spelthorne). Underlying technical assets include the patented Timber Twin Frame System for super-insulated construction, PHPP and IES dynamic thermal modelling capability, and future probabilistic weather simulation for 2030/2050/2080 climate scenarios.

Revenue is generated through project-based professional services fees across all RIBA work stages, with the firm providing both full integrated design commissions and individual specialist consultancy (Passivhaus, Building Biology, building physics, training, air tightness seminars). Go-to-market is sales-led direct engagement with enterprise clients — primarily UK local authorities, housing associations, and developers — alongside mid-market work for educational institutions, leisure providers, private self-builders, and other architectural practices seeking specialist Passivhaus expertise. The firm maintains offices in Bideford (headquarters) and Exeter with UK national coverage and select international projects. Key customers include Exeter City Council, Devon County Council, Bristol City Council, Spelthorne Borough Council, Cornwall Council, Sovereign Housing Association, Devon & Cornwall Housing, the Royal Horticultural Society, and various universities. The firm is differentiated by deep domain specialisation, 30+ years of continuous practice in ecological design, a strong publication record (including BRE Good Practice Guide 293 and the Passivhaus Guide for Sport England), co-founding of the Building Biology Association UK, and dense award recognition across regional, national, and international competitions.

Name

Gale & Snowden

Legal name

Gale & Snowden Architects Limited

Website

https://ecodesign.co.uk

Company type

Private

Founded year

1992

Operating status

Operating

Headcount range

11–50 employees

Short description

Gale & Snowden is a Devon-based UK architectural practice founded in 1992, specialising in Passivhaus, Building Biology, and regenerative design. It serves local authorities, housing associations, developers, educational institutions, and private clients through integrated multidisciplinary design and specialist consultancy services.

Ownership category

akta.pro rank

Headquarters

HQ city

Bideford

HQ country

United Kingdom

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales

Revenue model

1. Architectural Design Services: Provides full integrated design service including experienced Architects, Building Physicists, Building Biologists, Passivhaus Designers and Permaculture Designers. Services span from concept through to completed designs and project delivery.
2. Passivhaus Consultancy: Individual consultancy service to Local Authorities, Developers, Contractors and Architects seeking to meet the stringent criteria of the Passivhaus Certified standard. Includes specialist design service, consultancy and Passivhaus training, air tightness seminars and workshops.
3. Research & Technical Publications: Produces Good Practice Guides and technical papers including BRE Good Practice Guide 293 on External Wall Insulation and Passivhaus Guide for Sport England. Research work attracts significant funding for clients' projects.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels5 records

Core offering

Gale & Snowden is a multidisciplinary ecological architectural practice offering a fully integrated design service spanning concept through to completion. Its core services include Passivhaus design (with over 100 certified buildings), Building Biology healthy-building design, permaculture landscape design, architecture, renewable energy engineering, building physics consultancy, climate resilient development, and funded research. The practice delivers projects for local authorities, housing associations, developers, contractors, architects, educational institutions, and private self-build clients across the UK.

Product overview

Gale & Snowden is an architectural practice offering a fully integrated ecological design service. Their portfolio consists of nine interconnected service offerings: Passivhaus Design & Consultancy (with over 100 certified buildings delivered), Building Biology Services (healthy building design), Permaculture Design, Architecture Services, Landscape Architecture, Renewable Energy Engineering, Building Physics & Low Energy Consultancy, Climate Resilient Development, and Research Services. These services are delivered by an integrated team of architects, engineers, building physicists, building biologists, Passivhaus designers, and permaculture designers, working collaboratively from concept through completion to ensure buildings perform as designed.

Differentiator

Problem solved

Functional benefit

Products and services

• Passivhaus Design & Consultancy Award-winning Passivhaus design and consultancy for residential, commercial, and leisure facility projects. Includes certified Passivhaus building design, thermal modelling with PHPP, airtightness detailing, and individual consultancy for Local Authorities, Developers, Contractors and Architects.
• Building Biology Services Healthy-building design applying Building Biology (IBN) principles to create internal environments attuned with people's inherent biology, addressing air quality, water quality, materials, heating, ventilation, energy, acoustics, light and natural finishes.
• Permaculture Design Regenerative design service based on permaculture principles that integrates people into designed, productive ecosystems providing food, water, energy and shelter while enhancing the natural environment.
• Architecture Services Integrated architectural design solutions spanning residential, education, community, health and public building sectors, combining ecological design with holistic and healthy building approaches.
• Landscape Architecture Comprehensive ecological landscape design based on permaculture principles, ranging from private gardens to public parks, allotments to working farms, and productive agricultural systems.
• Renewable Energy Engineering Renewable energy engineering service focusing first on minimising energy requirements through fabric and form design, then integrating appropriate renewable systems including biomass, solar thermal, PV, wind, hydro and heat pumps.
• Building Physics & Low Energy Consultancy Low-energy consultancy including energy engineering, SAP and SBEM assessments, dynamic thermal modelling, daylight modelling, carbon modelling, energy monitoring and building troubleshooting, delivered using IES dynamic software and PHPP (Passivhaus Planning Package).
• Climate Resilient Development Design service using future probabilistic weather data to future-proof buildings against climate change effects without necessarily adding cost, helping extend buildings' useful life through integrated adaptation strategies.
• Research Services Applied research service covering healthy buildings, climate change adaptation, materials testing, construction systems, plant integration, water use and renewable energy integration; includes production of Good Practice Guides (e.g., BRE Good Practice Guide 293) and technical papers for clients and industry bodies.

Quantifiable outcome

• First multi-residential Certified Passivhaus buildings in the UK - Knights Place 2008
• +7 more outcomes

Named customers14 records

Segments6 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Eleven partnerships are on record, tiered core and minor.

• Space & Place (Leisure Architects)coreStrategic or Co-development PartnerCollaborative team approach on leisure centre projects. Gale & Snowden worked alongside Space & Place as Leisure Architects and other design team members including ARUP on the St Sidwell's Point Passivhaus Leisure Centre project.
• GT3 ArchitectscoreStrategic or Co-development PartnerPassivhaus Consultancy roles include specialist Leisure Centre consultants in collaboration with GT3 Architects and the design team for the Spelthorne Community Leisure Centre (first Passivhaus Certified wet and dry Leisure Centre in the world).
• ARUPcoreStrategic or Co-development PartnerCollaborative design team member on major Passivhaus leisure centre projects including St Sidwell's Point.
• Exeter UniversityminorStrategic or Co-development PartnerCollaboration on pioneering research work towards low energy swimming pools. Research collaboration with university on environmental and building performance topics.
• Exeter City CouncilcoreStrategic or Co-development PartnerCollaborated on Passivhaus monitoring South West & Cross Channel Dissemination project. Multiple housing development projects including St Sidwell's Point leisure centre.
• Westminster CityminorStrategic or Co-development PartnerCollaborative research work with Westminster City on sustainable building projects.
• Building Biology Institute IBN (Germany)coreTechnology or IntegrationAccredited Building Biologists working closely with the Building Biology Institute IBN in Germany. Co-founded the Building Biology Association UK, a not-for-profit organisation promoting healthy building awareness in the UK run on a voluntary basis.
• Building Biology Association UKcoreStrategic or Co-development PartnerGale & Snowden co-founded and administer this not-for-profit educational organisation that promotes healthy design, construction, and maintenance of buildings in partnership with the Building Biology Institute IBN.
• Passivhaus Institute GermanycoreTechnology or IntegrationInternational connections with Passivhaus Institute Germany for research and certification of Passivhaus projects including world-first Passivhaus leisure centres.
• LNEG Laboratorio Nacional de Energia e Geologia (Portugal)minorStrategic or Co-development PartnerInternational research connections with LNEG in Portugal as part of international research network.
• Devon Wildlife ConsultantsminorStrategic or Co-development PartnerWildlife and biodiversity consultants collaborating on ecological landscape design for projects such as Lowerstone Cottages.

Scale indicators4 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Elementa Consulting: UK building physics and Passivhaus consultancy that provides low-energy design services to housing associations, councils, and developers—direct competitor in the Passivhaus consultancy stream.
• Architype: Welsh sustainable architecture practice with comparable Passivhaus and ecological-design credentials, similar size, and overlapping public-sector client base in UK affordable housing and community projects.
• Bere:Architects: Edinburgh-based sustainable architecture practice with strong Passivhaus and ecological design credentials, operating in the UK public and housing sectors at a comparable scale.
• MawsonKerr Architects: North East England sustainable architecture practice with Passivhaus expertise and overlapping focus on community, education, and housing projects—similar scale and positioning to Gale & Snowden.
• Mikhail Riches: UK Passivhaus-specialist architectural practice known for Stirling Prize-shortlisted social housing; competes directly with Gale & Snowden on Passivhaus-certified residential and public-sector work.
• WCEC Group: UK sustainable architecture and building services practice with Passivhaus and BREEAM expertise, competing for similar public-sector and housing-association commissions.

Broad incumbents

• BDP (Building Design Partnership): Major UK multidisciplinary architecture practice with growing sustainability and Passivhaus capabilities across housing, healthcare, and leisure—a larger incumbent competing for the same public-sector projects.
• Mott MacDonald: Global engineering and project management consultancy with built-environment sustainability practices that compete for Passivhaus and low-energy design work in UK public sector.
• Foster + Partners: Global architecture incumbent with sustainability expertise across sectors; relevant as a larger competitor entering Passivhaus and net-zero building territory.

Emerging players

• Centre for Sustainable Energy (CSE): UK charity providing building physics, Passivhaus, and energy-efficiency consultancy to local authorities and communities—partial overlap with Gale & Snowden's Building Physics and Passivhaus consultancy streams.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/galeandsnowden

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

Funding overview

Funding rounds

Investors

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M&A

Investments

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Frequently asked questions about Gale & Snowden