Alan Cox Associates Limited
Alan Cox Associates Limited is an architectural practice in Barnet. See its accreditations, specialisms and planning track record.
Active on Companies House
06563552
Architectural Activities
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Barnet, Hertfordshire, EN5
Credentials
- RIBA chartered
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Planning Application Track Record
176
Applications
78%
Approval Rate
5
Local Authorities
13
Appeals (54% successful)
Local Authorities
Barnet
Brent
Enfield
Hertsmere
Sandwell
Application Types
Extensions
78
Other
42
Demolition
42
New Dwellings
25
Tree Works
5
Commercial
5
Change of Use
4
Conditions
4
Advertisements
1
Planning Application History (100)
100 of 100 applications have a map location
18/2239/HSE
Single Storey Rear Extension
24 Heathfield Road Bushey Hertfordshire WD23 2LJ
Permitted
Hertsmere2018-11-2720/3398/HSE
Single storey rear extension. First floor side extension
30 Hillside Gardens Barnet EN5 2NJ
Conditions
Barnet2020-07-2425/02054/CND
Details submitted pursuant to reference 23/03806/FUL: drainage (16) flood mitigation measures (17) in respect of redevelopment of site by the erection of a detached 2-storey block of 7 self-contained flats with accommodation in roof space and front, rear and side dormers and basement level together with landscaping, refuse/cycle and additional car parking spaces.
23 Crescent East Barnet EN4 0EY
Permitted
Enfield2025-06-1025/01387/CND
Details pursuant to ref: 23/03806/FUL: levels (08), construction traffic management plan (12), construction dust management plan (14), biodiversity enhancement statement (20), bats (26) in respect of redevelopment of site by the erection of a detached 2-storey block of 7 self-contained flats with accommodation in roof space and front, rear and side dormers and basement level together with landscaping, refuse/cycle and additional car parking spaces.
23 Crescent East Barnet EN4 0EY
Permitted
Enfield2025-04-1126/0075/PD56M
Change of use from Class E to Class C3 to facilitate conversion of offices into 5 self contained flats.
3 Wyllyotts Place Potters Bar Hertfordshire EN6 2JD
Permitted
Hertsmere2026-01-2126/02287/HOU
Conversion of garage into a habitable room involving replacement of existing garage and rear door and replacement of windows.
3 Lancaster Avenue Barnet EN4 0EP
Rejected
Enfield2026-06-0223/0625/FUL
Demolition of existing single storey side additions, erection of 2 no 2 storey side extensions. Installation of new first floor and installation of new and replacement windows and doors.
Church Hall St Mary The Virgin Church Of England Church Camlet Way Barnet EN4 0NJ
Conditions
Barnet2023-02-1326/1237/HSE
Ground floor front, rear and side extension following demolition of detached garage. New patio area to the rear. Creation of additional storey with front facing dormer and rooflight windows to both side elevations. Alterations to fenestration. Alterations to existing levels and landscaping. Provision of new vehicular access off Pilgrims Rise with hardstanding to the rear garden
115 Park Road Barnet EN4 9QR
Permitted
Barnet2026-03-3125/4108/HSE
First floor side extension
3 Hervey Close London N3 2HG
Permitted
Barnet2025-10-1322/2634/HSE
Single storey side extension including conversion of garage. New front portico. Changes to fenestration
1 Greenacre Close Barnet EN5 4QB
Conditions
Barnet2022-05-1723/2896/HSE
Single storey rear extension with balcony and associated privacy screen above. Alterations to existing rear dormer window
1 Arkley Lane Barnet EN5 3JR
Conditions
Barnet2023-07-0425/4089/192
Demolition/removal of existing second storey rear roof with replacement flat roof (Stage 1). Roof extension involving hip to gable, rear dormer window, 2no front facing rooflights and new side gable window (Stage 2). Stage 2 to commence after Stage 1 has been completed. Reduction in height of first floor side extension. Single storey outbuilding.
3 Hervey Close London N3 2HG
Permitted
Barnet2025-10-1022/4807/HSE
Internal basement alterations and changes to rear fenestration
86 Hadley Highstone Barnet EN5 4PY
Conditions
Barnet2022-09-2822/4736/HSE
Single storey side/rear extension. New front hard standing for parking. Replacement of existing garage doors and conversion of garage into habitable room
20 Hillside Gardens Barnet EN5 2NJ
Conditions
Barnet2022-09-2226/0599/HSE
Roof extension involving rear dormer window with juliette balcony, 1no front facing rooflight and new side gable window with retention of existing side pitched roof
49 Heddon Court Avenue Barnet EN4 9NG
Permitted
Barnet2026-02-1724/2471/HSE
Erection of rear balcony to roof of existing rear extension with associated privacy screen
1 Arkley Lane Barnet EN5 3JR
Conditions
Barnet2024-06-2425/1493/FUL
Removal of external fire escape staircase to facilitate access to rear warehouse parking. Alterations to fenestration to include addition of roller shutter access door. Front boundary works to include additional hardstanding. Infill of fire escape door at first floor level.
6 Elstree Way Borehamwood Hertfordshire WD6 1RN
Withdrawn
Hertsmere2025-10-1526/0548/HSE
Lower ground and ground floor rear extension including formation of rear balcony with privacy screens and underneath storage and associated access steps to garden level
49 Heddon Court Avenue Barnet EN4 9NG
Rejected
Barnet2026-02-1226/0469/HSE
Single storey side and rear extension following demolition of the existing garage. First floor extension. New rear vehicular access. Alterations to existing levels with associated landscaping
115 Park Road Barnet EN4 9QR
Withdrawn
Barnet2026-02-0625/01602/CND
Details submitted pursuant to reference 23/03806/FUL: external finishing materials (3) larger scale details (4) and enclosure (24) in respect of redevelopment of site by the erection of a detached 2-storey block of 7 self-contained flats with accommodation in roof space and front, rear and side dormers and basement level together with landscaping, refuse/cycle and additional car parking spaces.
23 Crescent East Barnet EN4 0EY
Permitted
Enfield2025-05-01Page 1 of 5