
TX11 Architects Limited
TX11 Architects Limited is an architectural practice in London. See its accreditations, specialisms and planning track record.
Active on Companies House
13040610
Architectural Activities
Urban Planning & Landscape Architecture
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London, WC2A, England
Credentials
- ARB registered
- RIBA chartered
Memberships can lapse, so check before work starts.
Planning Application Track Record
22
Applications
76%
Approval Rate
5
Local Authorities
Local Authorities
Barnet
Mole Valley
Sutton
Tower Hamlets
Tunbridge Wells
Application Types
Extensions
11
New Dwellings
11
Demolition
2
Planning Application History (22)
22 of 22 applications have a map location
25/5128/HSE
Single storey side/rear extension with 2no. rooflights following demolition of the existing rear extension
55 Armitage Road London NW11 8QT
Permitted
Barnet2025-12-22DM2025/01606
Erection of a single storey front extension, a single storey rear extension, conversion garage into a habitable room including the raising of the ground floor flank roof, installation of rooflights to the front roofslope of the main roof and side and rear rooflights at ground floor.
39 Burleigh Avenue Wallington SM6 7JG
Permitted
Sutton2025-12-2925/4497/PNH
Demolish existing rear extension and erect a larger single storey rear extension with a maximum depth of 6.00m, a maximum height of 3.00m and an eaves height of 3.00m
55 Armitage Road London NW11 8QT
Rejected
Barnet2025-11-1126/00151/FULL
(Part-retrospective) Alterations to land levels & landscaping to rear, erection of outbuilding, retaining walls, paved area, and balustrade
9 Birchwood Avenue Southborough Tunbridge Wells Kent TN4 0UD
Permitted
Tunbridge Wells2026-01-2324/02576/LAWPRO
Erection of first floor rear dormer and loft conversion to rear of house.
9 Birchwood Avenue Southborough Tunbridge Wells Kent TN4 0UD
Withdrawn
Tunbridge Wells2024-10-0323/00679/FULL
Erection of single storey rear and side extension, Erection of first floor side extension and terrace, Conversion of garage to habitable room
9 Birchwood Avenue Southborough Tunbridge Wells Kent TN4 0UD
Permitted
Tunbridge Wells2023-03-1424/01883/FULL
Single storey rear side extension; first floor side extension and terrace; addition of front dormer and alteration to existing dormer; alterations to fenestration on all elevations; replacement of boundary hedge with wall along front boundary; addition of driveway gate; render to existing brickwork and cladding; replace existing roof tiles to slate
9 Birchwood Avenue Southborough Tunbridge Wells Kent TN4 0UD
Permitted
Tunbridge Wells2024-07-18PA/24/02174/NC
Proposed ground floor and first floor rear extension and removal of shed at No.13, partial first floor rear extension at No.14
13 & 14 Swedenborg Gardens, London, E1 8HP
Rejected
Tower Hamlets2025-01-0925/00806/FULL
Proposed loft conversion, rear dormer extension, 5no. rooflights, removal of chimney & amendments to 3no. ground floor windows
9 Birchwood Avenue Southborough Tunbridge Wells Kent TN4 0UD
Permitted
Tunbridge Wells2025-03-31PA/25/00438/NC
Application for a certificate of lawfulness in respect of proposed development for a 3m deep single storey flat roof rear extension with 3m eave height.
13 Swedenborg Gardens, London, E1 8HP
Permitted
Tower Hamlets2025-03-1423/01397/LAWPRO
Lawful Development Cert. (Proposed): Rear extension, outbuilding
9 Birchwood Avenue Southborough Tunbridge Wells Kent TN4 0UD
Permitted
Tunbridge Wells2023-05-24DM2025/00783
Erection of a two storey side extension and conversion of loft space involving alterations to existing roofline, a dormer extension at rear and rooflights to front and flank roofslopes.
27 Henley Avenue North Cheam SM3 9SG
Permitted
Sutton2025-06-0623/01397/LAWPRO
Lawful Development Cert. (Proposed): Rear extension, outbuilding
9 Birchwood Avenue Southborough Tunbridge Wells Kent TN4 0UD
Permitted
Tunbridge Wells2023-05-2423/00679/FULL
Erection of single storey rear and side extension, Erection of first floor side extension and terrace, Conversion of garage to habitable room
9 Birchwood Avenue Southborough Tunbridge Wells Kent TN4 0UD
Permitted
Tunbridge Wells2023-03-1424/02576/LAWPRO
Erection of first floor rear dormer and loft conversion to rear of house.
9 Birchwood Avenue Southborough Tunbridge Wells Kent TN4 0UD
Withdrawn
Tunbridge Wells2024-10-03PA/25/00438/NC
Application for a certificate of lawfulness in respect of proposed development for a 3m deep single storey flat roof rear extension with 3m eave height.
13 Swedenborg Gardens, London, E1 8HP
Permitted
Tower Hamlets2025-03-1425/00806/FULL
Proposed loft conversion, rear dormer extension, 5no. rooflights, removal of chimney & amendments to 3no. ground floor windows
9 Birchwood Avenue Southborough Tunbridge Wells Kent TN4 0UD
Permitted
Tunbridge Wells2025-03-3124/01883/FULL
Single storey rear side extension; first floor side extension and terrace; addition of front dormer and alteration to existing dormer; alterations to fenestration on all elevations; replacement of boundary hedge with wall along front boundary; addition of driveway gate; render to existing brickwork and cladding; replace existing roof tiles to slate
9 Birchwood Avenue Southborough Tunbridge Wells Kent TN4 0UD
Permitted
Tunbridge Wells2024-07-18PA/24/02174/NC
Proposed ground floor and first floor rear extension and removal of shed at No.13, partial first floor rear extension at No.14
13 & 14 Swedenborg Gardens, London, E1 8HP
Rejected
Tower Hamlets2025-01-09MO/2026/00334
Erection of first-floor rear extension with infill roof formed between two existing hipped roofs, matching existing roof pitch and materials. Loft conversion, including change of one existing storage room to a bedroom. Minor increase in ridge height to align ceiling height with existing upper-level bedroom. Proposed erection of two front dormer windows. Proposed roof alteration to replace existing flat roof over utility room with hipped roof, creating a continuous and unified rear roof form.
LYNCHETS, THE COOMBE, BETCHWORTH
Permitted
Mole Valley2026-03-03Page 1 of 2