Tyrrell Dowinton Associates

Architect working in Guernsey. Named as the agent on 27 planning applications in the register we hold, of which 100% were granted.

RIBA Chartered Practice established 2003 by Brian Tyrrell and Paul Dowinton; Studio One, Garenne Park, Rue de la Cache,

Visit www.tda.gg

What they work on

From the wording of 27 of their applications. Mostly extensions — 37% of the sample.

Applications on the register

Reference	Where	What	Decision
FULL/2026/0009	Mulberry House Doyle Road St. Peter Port Guernsey GY1 1RD	Remove hedges, alter and widen vehicle access and erect wall and railings to east (front) of property (Protected Buildin	Notification of Grant of Full Planning P
FULL/2026/0042	Villa Fallaise Havelet St. Peter Port Guernsey GY1 1BB	Extend and alter at ground floor, 1st floor, 2nd floor and 3rd floor levels including terrace areas/balconies to east (r	Notification of Refusal of Planning Perm
FULL/2026/0110	Crepe Maison 7 Le Pollet St. Peter Port Guernsey GY1 1WQ	Alterations to shopfront to west elevation (Protected Building).	Notification of Grant of Full Planning P
FULL/2026/0111	Shoreline Cobo Coast Road Castel Guernsey GY5 7HF	Erect carport to north-east elevation, erect cladded wall and pergola to west boundary.	Notification of Grant of Full Planning P
FULL/2026/0202	Briarwood La Grande Rue St. Martin Guernsey	Variations to plans previously approved to erect 33 dwellings and alterations to public parking area - Alterations to dw	Notification of Grant of Full Planning P
FULL/2026/0203	Kings Club Kings Road St. Peter Port Guernsey GY1 1QF	Infill existing rooflights, install 2 rooflights and alterations to fenestration and install cladding to west elevation.	Notification of Grant of Full Planning P
FULL/2026/0246	Chambord Hartlebury Estate St. Martin Guernsey GY4 6NH	Variation to previously approved plans to extend at lower ground floor and ground floor levels including raised terraced	Notification of Grant of Full Planning P
FULL/2026/0385	Kings Health Club Kings Road St. Peter Port Guernsey	Erect single storey extension/store to east elevation.	Notification of Grant of Full Planning P
FULL/2026/0403	57 Le Bordage St. Peter Port Guernsey GY1 1BP	Variations to previously approved plans to Demolish existing buildings, erect 3-storey building, courtyard and internal	Notification of Grant of Full Planning P
FULL/2026/0419	Vue Des Iles 22 Hauteville St. Peter Port Guernsey GY1 1DG	Erect two-storey extension (basement and lower ground floor) to east (rear) elevation incorporating balcony and privacy	Notification of Grant of Full Planning P
FULL/2026/0440	34-36 High Street St. Peter Port Guernsey GY1 2JU	Excavation works and internal alteration to basement level and internal alterations at ground floor level (Protected Bui	Notification of Grant of Full Planning P
FULL/2026/0445	38 High Street St. Peter Port Guernsey GY1 2JU	Internal opening-up works (Protected Building).	Notification of Grant of Full Planning P
FULL/2026/0476	Pinecrest Les Querites Castel Guernsey GY5 7ED	Erect covered area and alterations to bunker to create a raised covered BBQ area to north-west of site.	Notification of Grant of Full Planning P
FULL/2026/0507	Websters Opticians Les Barras Lane Vale Guernsey GY6 8EE	Erect single storey extension and ramp to west elevation.	Notification of Grant of Full Planning P
FULL/2026/0693	La Petite Hure Rue Tonnelle St. Martin Guernsey GY4 6EP	Remove section of roadside bank and wall and erect retaining wall to south-west boundary (revised scheme).	Notification of Grant of Full Planning P
FULL/2026/0694	Le Coudré Route Du Coudre St. Pierre Du Bois Guernsey GY7 9HZ	Demolish extension, extend and alter at ground and 1st floor levels to east (side) elevation.	Notification of Grant of Full Planning P
FULL/2026/0824	Inner Street Market Building Market Street St. Peter Port Guernsey GY1 2PJ	Change of use of section of ground floor level from retail to art gallery/tourist information centre and internal altera	Notification of Grant of Full Planning P
FULL/2026/0826	Feldspar Les Grandes Maisons Road St. Sampson Guernsey GY2 4JH	Remove hedge and planter and replace hardstanding to parking area (Protected Building) (part retrospective).	Notification of Grant of Full Planning P
FULL/2026/0843	Westcliff Brock Road St. Peter Port Guernsey GY1 1RS	Erect dormer window to west (rear) elevation and install rooflights to east (front) elevation.	Notification of Grant of Full Planning P
FULL/2026/0888	Les Pres La Maison Au Compte Vale Guernsey GY3 5HF	Convert building to a residential dwelling and associated works (revised scheme).	Notification of Refusal of Planning Perm
FULL/2026/0891	Cieli Soleggiati Les Grandes Rue St. Pierre Du Bois Guernsey GY7 9EL	Demolish conservatory, shed and outbuilding, extend and alter at ground floor level and first floor level including balc	Notification of Grant of Full Planning P
FULL/2026/0895	La Prima La Mares Pellees Road Vale Guernsey GY3 5PW	Demolish structures, erect 8 dwellings and associated works, widen vehicle access, create pedestrian access and alter ro	PENDING
FULL/2026/0914	Rozel House Rozel Road St. Peter Port Guernsey GY1 2DY	Demolish extension and outbuilding, subdivide existing dwelling to create 5 flats, erect 2 storey extension to west (rea	PENDING
FULL/2026/0924	Bru's Retraite Rue De Friquet Castel Guernsey GY5 7SS	Variation to previously approved plans to Demolish existing dwelling, erect 6 dwellings, remove four protected trees fro	PENDING
FULL/2026/0949	Land At Rue Coutance Vale Guernsey GY3 5PU	Change of use of agricultural land to domestic garden (16sqm), install oil tank with enclosure to east of site	PENDING
FULL/2026/1067	Maison D'Escaliers Les Escaliers Pointues La Rue Des Escaliers St. Martin Guernsey GY4 6HZ	Demolish conservatory and erect single storey flat roof extension to north-west elevation.	PENDING
FULL/2026/1083	The Deanery La Villiaze Road St. Andrew Guernsey GY6 8YH	Partially demolish existing garage, alter north boundary wall, erect outbuilding/workshop, remove hedge, extend hardstan	PENDING

All Guernsey architects