Architects
Practices without a RICS surveying registration — the complement of the dual-role firms under Surveyors. Every firm was cross-referenced against this site's planning dataset by its own name in the application "Agent" field; where a match exists, the real applications are listed with a decision, a success-rate summary, and — where the project address also appears in the States of Guernsey sold-price register — a "later sold" flag, each linking to the official record on planningexplorer.gov.gg.
437 Guernsey planning applications now awaiting a decision or recently consented involve this kind of work — an estimated £75,176,000–£113,744,000 of it. A permission is not a building and plenty lapse unbuilt, so read it as consented work rather than work in progress. See what and where.
A7 Design
Bespoke architecture and interior-design studio run by Andre Bisson; St Louis, Les Petites Capelles Road GY2 4GX. Rebranded from "A7 Design" to "A7 Architecture" — both names appear in the planning agent field along with a spaced "A 7 Design" variant; all four spellings combined here as one firm. Not RICS-regulated. 100 applications as agent 2022-2025 across the name variants.
Arch+
Chartered architecture practice (trading name "Grey Bear") specialising in accessible/inclusive design, 17+ years in all building sectors; models every project in 3D for client walkthroughs. Not RICS-regulated. 40 applications as agent 2022-2025.
ArcTECH Freelance Architecture
Practice of Niall Bougourd, Chartered Architectural Technologist (MCIAT ACIOB); 24 Le Bordage, St Peter Port GY1 1DE. Trading over 20 years, positioned as an affordable/freelance alternative to traditional practice fees. Not RICS-regulated. 65 applications as agent 2022-2025.
Axis Mason
Multi-disciplinary architecture, master-planning, interior-design and landscape practice with studios in Jersey, London, Glasgow and Durban. Guernsey projects include Leale's Yard (regeneration scheme of 400+ new homes across 13 terraces/blocks, with hospitality/retail) and Upper House (adaptive re-use of St Peter Port office space, with Daynes Design). Not RICS-regulated. 8 applications as agent 2022-2025 across name variants — lower volume than the top names but tied to some of Guernsey's largest current regeneration schemes.
Brian R Martel
Sole-practitioner Chartered Architectural Technologist; Vandola, St Pierre du Bois GY7 9HT. Distinct individual/practice from Martel Design Ltd (Paul Martel) despite the shared surname — different addresses and no evidence of a shared entity. Not RICS-regulated. 22 applications as agent 2022-2025.
CCD Architects
Founded 1981; Trafalgar House, Petit Bouet, St Peter Port GY1 2AY. Self-describes as "Chartered Architects, Surveyors & Heritage Consultants" but does not appear on the RICS Find a Surveyor register for Guernsey — the "Surveyors" branding appears to reflect in-house building-surveying capability under a different professional body, not RICS regulation. Large award-winning portfolio spanning contemporary and conservation work. 83 applications as agent 2022-2025.
Chateaux Architectural Design
LOW CONFIDENCE / unverified: no independent website, directory listing or company-registry match found distinct from the unrelated "Chateaux Estate Agency Limited". Appears repeatedly and consistently as the named agent on 5 genuine Guernsey planning applications 2022-2025, which is the only evidence for this entry — likely a small or informally-traded local practice with minimal web footprint. Flagged for manual follow-up rather than dropped, since the planning-register evidence itself is solid.
DLM Architects
RIBA Chartered Architect practice founded 2011 by David De La Mare — one of the few RIBA/ARB Chartered Architects (as opposed to Chartered Technologists) practising in Guernsey; Route de la Garenne, St Peter Port GY1 2RL. RIBA South-East Region Award 2024 (Bathing Pools project), AJ Architecture Awards 2023 shortlist, multiple Guernsey Design Award wins. Not RICS-regulated. 41 applications as agent 2022-2025.
Drawings4u
Established 2008; Toftwood, Jardin De L'epine, Collings Road, St Peter Port GY1 1TX. Run by Peter Harrison, ACIOB ACABE. Flexible architectural design/drawing service for homeowners and local construction industry — extensions, roof conversions, alterations, demolish-and-rebuild, planning and building-licence support. Not RICS-regulated. 4 applications as agent 2022-2025 across name variants.
DRP Architecture
No. 1 Jubilee Terrace, South Esplanade, St Peter Port GY1 1AH. Self-describes as a "multi-disciplinary firm of Chartered Architects and Chartered Building Surveyors" offering contract administration, project management and building-defect services alongside design — but does not appear on the RICS Find a Surveyor register for Guernsey, so the "Chartered Building Surveyors" claim likely rests on a different chartered body (e.g. CIOB) rather than RICS. 52 applications as agent 2022-2025.
Evans Architecture
CIAT Chartered Practice led by Silvie Luscombe, Chartered Architectural Technologist (University of Brighton 2009 graduate, 10 years' experience). New-build domestic through to extensions and refurbishments; notable projects include La Croute, Le Moineau, Pilot's View, La Trigale. Not RICS-regulated. 13 applications as agent 2022-2025.
G.E Le Friec
Sole-practitioner Architectural and Building Technologist; Springhurst House, Le Bourg, Forest Road, Forest GY8 0AN. Limited independent web presence beyond directory/consultation listings — could not confirm chartered-body membership. Not RICS-regulated (not on the RICS Find a Surveyor register). 37 applications as agent 2022-2025.
G2A Architecture Ltd
Guernsey-registered company (Registry no. 1-57268); Nampara, Calais Road, St Martins GY4 6AP; email hello@g2a.gg. Classified for architectural and engineering activities and related technical consultancy. Not RICS-regulated. 8 applications as agent 2022-2025.
Habitat Ltd
Chartered Architectural Technologists practice and construction company (design-and-build). Web presence limited to a Facebook page (HabitatGsyLtd); no dedicated website or phone number located. Recently completed refurbishment/extension of a Victorian house in St Martins. Not RICS-regulated. 3 applications as agent 2022-2025.
Jason Hobbs Architectural Services Ltd
Sole-principal architectural design practice (Jason Hobbs, MCIAT — Chartered Architectural Technologist); The Studio, Le Gallet, Rue Chapelles, Vale GY3 5EW. Range from alterations/extensions to individual new-builds and multi-unit housing. Also trades in Jersey. Not RICS-regulated. Highest-volume architecture agent name in the Guernsey planning dataset by a wide margin (131 applications 2022-2025).
JG Architecture Ltd
Award-winning chartered practice led by Director James Gavey (12+ years in the industry); Unit 1 Cobo Business Centre, Clos De Salle, Route De Carteret, Castel. Extensions, conversions and new builds through to larger commercial design; added RIBA Chartered Architect Mike McLellan to the team in 2025. Not RICS-regulated. 61 applications as agent 2022-2025.
JM Design Limited
Founded 2023 by a Guernsey College of Further Education-trained designer (HNC Construction and the Built Environment, 2016) with a decade's prior experience at a local practice. Small home extensions through to residential developments and commercial briefs. Not RICS-regulated. 17 applications as agent 2022-2025.
Mark Frampton & Company
Beechcroft, Les Eturs, Castel GY5 7DT. The Guernsey business directory lists this as "Mark Frampton, (Architecture)", but a company-registry lookup classifies the main activity as engineering services — likely reflects a mixed architecture/engineering practice rather than a misclassification; flagged for lower confidence pending direct confirmation. 18 applications as agent 2022-2025.
Martel Design Ltd
Architectural design firm run by Paul Martel; Le Rocher Cottage, Rue du Rocher, Torteval, email marteldesign@cwgsy.net. Distinct from Brian R Martel (above) despite the shared surname. Not RICS-regulated. 22 applications as agent 2022-2025.
MAT Limited
Architectural Technology practice led by Matt de Garis, Chartered Architectural Technologist, 25+ years' experience. Full-service from concept to completion. Not RICS-regulated. 44 applications as agent 2022-2025.
Paul Langlois Architects
Award-winning architecture, interior and landscape-design practice run by Paul and Anne Langlois; established 2007. Paul Langlois was project architect on St Sampsons High School before founding the practice. Guernsey Design Awards 2016 Residential winner (Rocquemer, South Cliffs House). Not RICS-regulated. 14 applications as agent 2022-2025.
Paul Vaudin & Associates Ltd
Multi-disciplinary "architectural and surveying services" practice; despite the self-description, not found on the RICS Find a Surveyor register for Guernsey, so treated here as an architectural/design practice rather than a RICS surveying firm. New builds, redevelopments, extensions and alterations across residential, commercial and industrial. 29 applications as agent 2022-2025.
PF+A Ltd
Long-established chartered architectural practice founded 1985 by Peter Falla; Guelles Court, Guelles Lane, St Peter Port. Guernsey-focused with expansion into Jersey and Alderney. Guernsey Construction Awards 2025 winner (Best Single Residential Project). Not RICS-regulated. Second-highest-volume agent name in the dataset (123 applications 2022-2025).
Soup Architects
Award-winning practice with offices in London and Guernsey, founded 2012 by Max, Jamie and Patrick. Multiple RIBA Awards (2014, 2015, 2018 incl. RIBA South East Small Project Award). Notable Guernsey projects: Sarnia Cottage, K-House, Longis View (Alderney), Coppercoins. Not RICS-regulated. 31 applications as agent 2022-2025.
Stackhouse Design Ltd
LOW CONFIDENCE / unverified as a distinct Guernsey practice: the only "Stackhouse Design" found online (stackhousedesign.co.uk, principal Peter Stackhouse) is based in south-west England with no stated Guernsey presence. Could be the same UK firm taking on remote Channel Islands commissions, a different/unrelated local practice with no web footprint, or a data-entry variant. Included on the strength of 4 genuine Guernsey planning applications under this exact agent name 2022-2025 (incl. Martello House, Fort George and White Lodge, Les Vardes, both St Peter Port) — flagged for manual verification.
Steve De Vial & Company Ltd
Chartered Architectural Technologist (MCIAT, since Oct 1997), self-employed since Aug 2004; L'Abreuvoir, La Rue des Landes, St Andrews. 20+ years designing alterations, improvements and new-builds for Guernsey clients. Not RICS-regulated. 28 applications as agent 2022-2025.
StudiO
Award-winning RIBA Chartered architecture and design practice; 37 High Street, Guernsey. Works across the Channel Islands, UK and EU on residential, commercial and community projects, plus interior and landscape design. Not RICS-regulated. 10 applications as agent 2022-2025 across name variants.
The Drawing Room
Architecture and interior-design practice established 2008; Noble House, Les Baissieres, St Peter Port GY1 2UE. Portfolio of 400+ projects — new builds, renovations, conversions, extensions, garden rooms/orangeries. Guernsey Chamber of Commerce member. Not RICS-regulated. 62 applications as agent 2022-2025.
Turnstone Architecture Ltd
Design-led practice established 2012 by directors Peter Warr and Debbie Joyce. Winner, Single Residential New Build category, Guernsey Design Awards 2020 (Cedar House, St Martins). Residential and commercial work across the Channel Islands. Trades as both "Turnstone Architecture Ltd" and "Turnstone Design" in the planning agent field — combined here. Not RICS-regulated. 22 applications as agent 2022-2025 across both name forms.
Tyrrell Dowinton Associates
RIBA Chartered Practice established 2003 by Brian Tyrrell and Paul Dowinton; Studio One, Garenne Park, Rue de la Cache, St Sampson. Full architectural service across domestic, commercial, light-industrial, leisure and retail sectors in the Channel Islands and UK mainland; Guernsey Design Awards recognition. Trades under both "Tyrrell Dowinton Associates" and "Tyrrell Dowinton Architects" in the planning agent field — combined here. Not RICS-regulated. 99 applications as agent 2022-2025 across both name forms.