Planning application
20 Forty Avenue, Wembley, HA9 8JP
Works: Extension Small domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6.00m Maximum height - 3.86m Eaves height - 3.00m
As published by the council, reference 26/0880
Application record
- Reference
- 26/0880
- Type
- Prior Approval - Large householder
- Status
- Decided
- Decision
- Granted As published: Prior approval is not required
- Received
- 6 Apr 2026
- Validated
- 6 Apr 2026
- Decided
- 11 May 2026
- Ward
- Preston
- Decision by
- Delegated Team Manager
- Postcode
- HA9 8JP
Site history
Applications at this address on the Brent register
This site has had 4 applications since 2025: 1 approved, 3 refused.
-
26/0812 Refused
20 Forty Avenue, Wembley, HA9 8JP
Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6.00m Maximum height - 3.86m Eaves height - 3.00m
-
26/0589 Refused
20 Forty Avenue, Wembley, HA9 8JP
Certificate of lawfulness for proposed single storey rear infill extension, rear dormer extension with dormer to rear outrigger, 2x front rooflights and installation of 2x windows to gable side elevation of the dwellinghouse.
-
25/3587 Refused
20 Forty Avenue, Wembley, HA9 8JP
Certificate of lawfulness for proposed single storey rear infill extension, L-shaped rear dormer window with 2x front rooflights and installation of 2x windows to the gable side elevation of the dwellinghouse.
Timeline
Dates from the published record
-
6 Apr 2026
Received by Brent
-
11 May 2026
Decision issued: Prior approval is not required
-
25 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Better Building Design Ltd. Agent, a design practice registered in London
Active · incorporated 2017 · London
24 applications on PlanIndex · across 11 councils · 78% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
9 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
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Open the documentsWhat this grant of permission means
Brent granted permission on 11 May 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About prior approval applications
Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
30 Forty Avenue, Wembley, HA9 8JP
Proposed ground floor side extension; first floor side and rear extension; loft conversion with dormer window and installation of 3 x front facing rooflights to dwellinghouse
Withdrawn Householder Extension Loft or dormer +1 2 docsDomestic -
20 Forty Avenue, Wembley, HA9 8JP
Certificate of lawfulness for proposed single storey rear infill extension, L-shaped rear dormer window with 2x front rooflights and installation of 2x windows to the gable side elevation of the dwellinghouse.
Refused Lawful development Extension Loft or dormer +1 14 docsSmall domestic -
32 Forty Avenue, Wembley, HA9 8JP
Demolition of existing dwellinghouse and erection of part 3 storey part 4 storey building comprising 7 self-contained flats, creation of basement floor level, private and communal amenity spaces, associated off road parking, waste and cycle storage
Refused Full applications New dwelling Demolition 31 docsDomestic -
20 Forty Avenue, Wembley, HA9 8JP
Certificate of lawfulness for proposed single storey rear infill extension, rear dormer extension with dormer to rear outrigger, 2x front rooflights and installation of 2x windows to gable side elevation of the dwellinghouse.
Refused Lawful development Extension Loft or dormer +1 14 docsSmall domestic -
34 Forty Avenue, Wembley, HA9 8JP
Demolition of existing dwellinghouse and erection of part 3 storey part 4 storey building comprising 7 self-contained flats, creation of basement floor level, private and communal amenity spaces, associated off road parking, waste and cycle storage
Refused Full applications New dwelling Demolition 29 docsDomestic -
30 Forty Avenue, Wembley, HA9 8JP
Certificate of lawfulness for proposed hip to gable loft conversion with rear dormer window and installation of 3 x front facing rooflights to dwellinghouse
Granted Lawful development Loft or dormer Windows or glazing 9 docsDomestic
Other prior approval applications
In Brent
-
26/1517 Granted
36 Attewood Avenue, London, NW10 0HB
Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 5m Maximum height - 3m Eaves height - 2.86m
-
26/1153 Granted
Bestway Cash & Carry, Abbey Road, London, NW10 7BW
Prior approval for installation of roof mounted solar system comprising PV modules
-
26/1231 Granted
143 London Road, Wembley, HA9 7EU
Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6.00m Maximum height - 3.00m Eaves height - 3.00m
-
26/1206 Granted
54 Evelyn Avenue, London, NW9 0JH
Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6.00m Maximum height - 3.00m Eaves height - 2.80m
-
26/1139 Refused
7 Priory Close, Wembley, HA0 2SD
Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6.00m Maximum height - 3.43m Eaves height - 2.95m