Square One Architects Ltd
Square One Architects Ltd is an architectural practice in Covent Garden. See its accreditations, specialisms and planning track record.
Active on Companies House
09822880
Architectural Activities
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Covent Garden, WC2H, United Kingdom
Credentials
- ARB registered
- RIBA chartered
Memberships can lapse, so check before work starts.
Planning Application Track Record
14
Applications
100%
Approval Rate
6
Local Authorities
Local Authorities
Barnet
Ealing
Epsom and Ewell
Guildford
Richmond
Spelthorne
Application Types
Extensions
7
Other
4
New Dwellings
1
Planning Application History (14)
14 of 14 applications have a map location
PA26/3308
Ground floor rear extension and alterations to the fenestration
6 Gloucester Road
Teddington
TW11 0NU
Undecided
Richmond2026-09-28232055HH
Single storey side extension; rear roof extension incorporating a Juliet balcony; installation of four rooflights to front roofslope; and associated alterations to front and rear elevations fenestration
1 Billets Hart Close Hanwell W7 2PY
Conditions
Ealing2023-05-2425/0137/HSE
Alterations to entrance with new canopy
4 Willow House 4 Wellgarth Road London NW11 7HS
Permitted
Barnet2025-01-1523/00877/FLH
Single storey side and rear extension incorporating rooflights
38 Upper Court Road Epsom Surrey KT19 8RD
Permitted
Epsom and Ewell2023-07-1826/P/00620
Alterations and extensions to an existing bungalow to form a two storey detached house
Grenville, Surrey Gardens, Effingham Junction, Effingham, Leatherhead, KT24 5HF
Permitted
Guildford2026-05-0724/00529/CPD
Certificate of Lawfulness for the proposed development of a front porch, plus the replacement of existing hanging tiles on the front elevation and replacement of existing timber cladding on the rear elevation.
109 Stratton Road Sunbury-on-Thames TW16 6PG
Permitted
Spelthorne2024-04-2526/00128/HOU
Erection of a front porch
51 Montford Road Sunbury-on-Thames TW16 6EJ
Undecided
Spelthorne2026-02-09PA26/2628
Alterations to the existing roof to include three new skylights and two rear do
34, Belgrade Road, Hampton, TW12 2AZ
Permitted
Richmond2026-07-28PA26/2313
Ground floor rear extension, rear dormers to existing roof
25, Belgrade Road, Hampton, TW12 2AZ
Permitted
Richmond2026-07-06PA26/1730
Ground floor rear extension, front porch First floor front extension and new ro
12 Martingales Close
Ham
Richmond
TW10 7JJ
Permitted
Richmond2026-05-28PA26/1431
New access gate serving existing driveway
67 and 67A, High Street, Hampton, TW12 2SX
Permitted
Richmond2026-04-30PA26/1462
Hip to gable conversion and dormer extension to a semi-detached house
48, Pauline Crescent, Twickenham, TW2 6JD
Permitted
Richmond2026-04-27PA26/1461
Ground floor rear extension
48, Pauline Crescent, Twickenham, TW2 6JD
Permitted
Richmond2026-04-2723/00877/FLH
Single storey side and rear extension incorporating rooflights
38 Upper Court Road Epsom Surrey KT19 8RD
Permitted
Epsom and Ewell2023-07-18