Planning application
89 Boycroft Avenue, London, NW9 8AL
Works: Extension Loft or dormer 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
Certificate of lawfulness for proposed rear dormer extension and 3x front rooflights to dwellinghouse.
As published by the council, reference 26/0832
Application record
- Reference
- 26/0832
- Type
- Certificate of Lawfulness - Proposed
- Status
- Decided
- Decision
- Certificate of Lawfulness - Granted
- Received
- 31 Mar 2026
- Validated
- 31 Mar 2026
- Decided
- 20 May 2026
- Ward
- Welsh Harp
- Decision by
- Delegated Team Manager
- Postcode
- NW9 8AL
Timeline
Dates from the published record
-
31 Mar 2026
Received by Brent
-
20 May 2026
Decision issued: Certificate of Lawfulness - Granted
-
25 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
KDB Building Designs Ltd Agent, a design practice registered in Greenford
Active · incorporated 2002 · Greenford
183 applications on PlanIndex · across 8 councils · 85% 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
4 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.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Brent granted permission on 20 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 lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
63 Boycroft Avenue, London, NW9 8AL
Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m Maximum height - 3.18m Eaves height - 2.9m
Granted Prior approval Extension 8 docsSmall domestic -
51 Boycroft Avenue, London, NW9 8AL
Demolition of existing garage and erection of a single storey outbuilding in rear garden of the dwellinghosue.
Refused Householder Demolition 6 docsSmall domestic -
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Decided 1 doc -
36 Boycroft Avenue, London, NW9 8AP
Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house by 6.0m Maximum height of 3.4m Eaves height of 3.0m
Decided Prior approval ExtensionSmall domestic -
10 Briarwood Close, London, NW9 8AN
Proposed conversion of garage into habitable room with the replacement of garage door with window, and alterations to the landscaping arrangement of the front garden
Granted Householder Windows or glazing 6 docsDomestic -
6 Stewart Close, London, NW9 8AJ
79% historically approved · decision due ~22 Jul
Conversion of single dwellinghouse into 2x self-contained flats with demolition of existing side ...
Decided New dwelling DemolitionDomestic
Other lawful development applications
In Brent
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26/1946 Awaiting decision
120 Gladstone Park Gardens, London, NW2 6RL
Certificate of lawfulness for proposed rear dormer extension with Juliet balcony, hip to gable roof extension, installation of 1x window to side elevation and 2x front rooflights to dwellinghouse.
-
26/1208 Granted
50 Ballogie Avenue, London, NW10 1TA
Certificate of lawfulness for proposed rear dormer extension, hip to gable roof extension, alteration to fenestration and installation of rooflights to the dwellinghouse
-
26/1015 Refused
5 Midholm, Wembley, HA9 9LJ
Certificate of lawfulness for proposed installation of solar panels to the side and rear roofslope of the dwellinghouse.
-
26/1176 Refused
47 Barn Rise, Wembley, HA9 9NH
Certificate of lawfulness for proposed single storey outbuilding in rear garden of the dwellinghouse.
-
26/1166 Refused
66 Okehampton Road, London, NW10 3EP
Certificate of lawfulness for proposed rear dormer and side dormer extension, 1x front rooflight, replacing side elevation window and door with aluminium frame windows and doors to dwellinghouse.