Planning agent
Extension Architecture
An architecture practice registered in Worcester Park. 121 planning applications on PlanIndex across 20 councils . Agent on 118 and applicant on 3. On the register from 2018 to 2026.
- 121 Applications on record
- 24 In the last 12 months
- 20 Councils
- 78% Granted of 111 decided
87 granted and 24 refused of 111 decided applications in our index. A record of decisions already made, not a forecast of the next one.
Where they work
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Lewisham14
83% approved here, against 87% for the council
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88% approved here, against 87% for the council
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Sutton10
67% approved here, against 87% for the council
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89% approved here, against 95% for the council
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89% approved here, against 87% for the council
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86% approved here, against 86% for the council
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86% approved here, against 80% for the council
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71% approved here, against 85% for the council
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20% approved here, against 78% for the council
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83% approved here, against 83% for the council
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83% approved here, against 87% for the council
And 8 other councils.
What they file
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Householder46%
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Full applications23%
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Lawful development15%
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Conditions5%
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Outline4%
Company record
From Companies House. Company information only; we never show personal contact details.
- Registered name
- EXTENSION ARCHITECTURE LTD
- Company number
- 10821784
- Status
- Dissolved
- Incorporated
- 16 June 2017
- Registered in
- Worcester Park
Track record
The 10 most recent applications naming this firm
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263328CPL Granted
4 Camborne Avenue West Ealing W13 9QY
Rear roof extension; installation of three front rooflights (Lawful Development Certificate for a Proposed Development)
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262966CND Awaiting decision
8 Perimeade Road Perivale UB6 7AR
Details of the bin storage feature and cycle storage feature serving the new dwellinghouses pursuant to Conditions 4 and 5 of planning permission ref: 260107FUL dated 13.04.2026 for: 'Construction of a two-storey attached building adjacent to existing dwellinghouse to be used as two self-contained residential flats (following demolition of existing side extension)'
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262839HH Awaiting decision
172 Cavendish Avenue West Ealing W13 0JW
Single storey rear extension; alterations to rear fenestrations
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26/1965/CP Refused
93 WEIGALL ROAD, KIDBROOKE, LONDON, SE12 8HG
Certificate of Lawfulness (Proposed) is sought for proposed garden outbuilding for the purpose of...
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262417CND Granted
8 Perimeade Road Perivale UB6 7AR
Details of Construction Environmental Management Plan pursuant to Condition 8 of planning permission ref: 260107FUL dated 14th April 2026
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262374CND Refused
8 Perimeade Road Perivale UB6 7AR
Details of Materials and External Surfaces pursuant to Condition 3 of planning permission ref: 260107FUL dated 14th April 2026
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262374CND Refused
8 Perimeade Road Perivale UB6 7AR
Details of Materials and External Surfaces pursuant to Condition 3 of planning permission ref: 260107FUL dated 14th April 2026
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262417CND Granted
8 Perimeade Road Perivale UB6 7AR
Details of Construction Environmental Management Plan pursuant to Condition 8 of planning permission ref: 260107FUL dated 14th April 2026
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262255OUT Withdrawn
112 Fordhook Avenue Ealing W5 3LR
Two storey side extension and rear roof extension; Ground floor rear extension, to create 3 existing dwelling into 3 separate flats (Outline Planning Application - Details of Access and scale)
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262255OUT Withdrawn
112 Fordhook Avenue Ealing W5 3LR
Two storey side extension and rear roof extension; Ground floor rear extension, to create 3 existing dwelling into 3 separate flats (Outline Planning Application - Details of Access and scale)
111 more applications on record
Trade members see everything this firm has filed, filter it by council and outcome, and get an email the day it files again.
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