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Design Squared Ltd

Design Squared Ltd is an architectural practice in Brighton. See its accreditations, specialisms and planning track record.

67applications
88%approved
11councils
Full track record →
active
07343612
Architectural Activities
★ 5.0 Google (6)

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12a Marlborough Place, Brighton, BN1 1WN

About Design Squared Ltd

Based in Brighton, this architectural practice has been operating since 2010 and has submitted 68 planning applications across 11 local authorities, achieving an 87% approval rate. The firm specialises in architectural activities and demonstrates established experience in navigating the planning process across multiple jurisdictions.

Reviews

5.0

6 reviews on Google

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Planning Application Track Record

67
Applications
88%
Approval Rate
11
Local Authorities
3
Appeals (33% successful)

Local Authorities

Barnet
Brent
Bromley
Chiltern South Bucks
Croydon
Ealing
Greenwich
Lambeth
Lewisham
Medway
Southwark

Application Types

Extensions
45
Other
14
New Dwellings
9
Demolition
5
Listed Building
3
Prior Approval
1

Planning Application History (67)

65 of 67 applications have a map location
PL/22/4292/HB
Listed building consent for part two storey/part single storey side/rear extension.
1 Weedon Hill Farm Cottages Weedon Hill Hyde Heath Buckinghamshire HP6 5RH
Conditions
Chiltern South Bucks2022-12-15
23/03786/FUL
Erection of a first floor rear extension and a mansard roof and insertion of bike and bin storages to provide two new dwellings.
144 Coldharbour Lane London Lambeth SE5 9QH
Permitted
Lambeth2023-11-24
24/AP/3691
Loft conversion including construction of two rear dormer extensions.
27 Elm Grove London Southwark SE15 5DB
Rejected
Southwark2024-12-16
25/03064/LDCP
Application for a Certificate of Lawfulness (Proposed) with respect to the erection of roof extensions; installation or rooflights; installation of a front elevation window, and other associated works.
67 Brantwood Road London SE24 0DH
Permitted
Lambeth2025-09-30
21/00756/LBC
Conversion of garage (ground floor area) and fenestration alterations to provide ancillary habitable accommodation to serve Copley Dene, 34 Wilderness Road. (Copley Dene/Copley Dene Cottage). LISTED BUILDING CONSENT
Copley Dene, 34 Wilderness Road, Chislehurst, BR7 5EY
Permitted
Bromley2021-02-16
DC/24/134388
Construction of a part two-storey and part single-storey rear extension at 45 Micheldever Road SE12, together with a new rear patio, new windows to the left side elevation, new door to right side elevation, and a garage conversion including new front doors and the installation of an electric charging point and alterations to front and side fenestration.
45 MICHELDEVER ROAD, LONDON, SE12 8LU
Permitted
Lewisham2024-01-05
DC/26/143186
Construction of 2 storey extensions to the upper floors including terraces at the rear, together with the reconfiguration of the floor layout to create 3 additional residential units, the provision of bike and bin storage and all associated works at 400-406 Brockley Road, SE4.
400 BROCKLEY ROAD, LONDON, SE4 2DH
Undecided
Lewisham2026-03-02
DC/25/141931
Alterations and conversion the existing loft space with sun tunnel in the front roof slope together with the replacement of existing roof light, installation of 3 rooflights in the rear roof slope and all associated works at 4 Bishopsthorpe Road, SE26
4 BISHOPSTHORPE ROAD, LONDON, SE26 4NY
Permitted
Lewisham2025-10-27
PL/21/4880/FA
Single storey front/side extension and changes to doors and windows
34 Grove Road Beaconsfield Buckinghamshire HP9 1PE
Conditions
Chiltern South Bucks2022-01-11
24/AP/3690
Construction of a single-storey side infill extension, complete with window replacements to match the existing, alterations to the existing rear extension and retention of a cycle store in the rear garden
27 Elm Grove London Southwark SE15 5DB
Permitted
Southwark2024-12-16
DC/24/137072
Construction of a part single/part two storey extension to the rear, together with the installation of roof lights in the side elevations all associated works at 7 Cheseman Street, SE26. (Revised Plans Received).
7 CHESEMAN STREET, LONDON, SE26 4RA
Permitted
Lewisham2024-08-12
PL/22/4291/FA
Part two storey/part single storey side/rear extension.
1 Weedon Hill Farm Cottages Weedon Hill Hyde Heath Buckinghamshire HP6 5RH
Conditions
Chiltern South Bucks2022-12-15
25/AP/1456
Erection of ground floor L-shaped rear extension
79 Bushey Hill Road London Southwark SE5 8QQ
Permitted
Southwark2025-05-16
DC/25/140792
Installation of replacement rear door and double-glazed windows in all elevations and replacement of front boundary picket fence at 32 Brightfield Road, London SE12.
32 BRIGHTFIELD ROAD, LONDON, SE12 8QF
Permitted
Lewisham2025-07-14
24/03189/DET
Approval of details pursuant to conditions 6(Cycle Parking), 7(Waste and Recycling), 10(Method of Construction Statement), 11(Water Efficiency Calculator) and 13(Landscaping) of planning permission 23/03786/FUL (Erection of a first floor rear extension and a mansard roof and insertion of bike and bin storages to provide two new dwellings) granted on 30.08.2024.
144 Coldharbour Lane London Lambeth SE5 9QH
Rejected
Lambeth2024-10-14
DC/26/143852
Application for Prior Approval under Schedule 2, Part 1, Class A, Part (g) of the Town and Country Planning (General Permitted Development) Order 2015 (as amended) for the construction of a single storey rear extension at a depth of 4.00m, an eaves height of 3.00m and a maximum height of 4.00m to 103 Ewhurst Road, SE4.
103 EWHURST ROAD, LONDON, SE4 1SD
Permitted
Lewisham2026-04-28
18/05825/NMA
Non-material amendment to application 18/03731/FUL - Alterations, erection of roof extensions to include dormer extension in rear roof slope to provide one 3 bedroom flat at Holmstead Court, associated landscaping and 1 additional car park in forecourt
Holmstead Court 37 South Park Hill Road South Croydon CR2 7DZ
Permitted
Croydon2018-11-30
PL/22/3117/FA
Single storey rear and side extensions, installation of rooflights, changes to doors and windows and all associated works.
34 Grove Road Beaconsfield Buckinghamshire HP9 1PE
Conditions
Chiltern South Bucks2022-10-04
20/01490/FULL1
Construction of a two storey detached dwelling house (3 bedroom 6 person) with associated amenity space and bin storage on land between 20 and 22 Park Road, Bromley.
Land At Denmark Road, Denmark Road, Bromley
Rejected
Bromley2020-04-24
26/AP/0785
Variation to the design of Condition 1 for full planning application 24/AP/3820 dated 04/03/2025 for Construction of a part single, part two storey side/rear extension. Loft conversion and extension including construction of 1no. rear roof dormer, installation of 2no. of rooflights to the side roof slope, installation of solar panels to the rear roof slope. Front garage extension, fenestration replacement, extension of patio area and additions of timber gate and low level brick wall with railing to the front boundary Conditions(s) Removal:
47 Burbage Road London Southwark SE24 9HB
Permitted
Southwark2026-03-18
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