Planning application
10 Blenheim Gardens, London, NW2 4NS
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Certificate of lawfulness for proposed single-storey outbuilding in rear garden of dwellinghouse
As published by the council, reference 25/3486
Application record
- Reference
- 25/3486
- Type
- Certificate of Lawfulness - Proposed
- Status
- Decided
- Decision
- Certificate of Lawfulness - Granted
- Received
- 15 Dec 2025
- Validated
- 19 Dec 2025
- Decided
- 22 Jan 2026
- Ward
- Willesden Green
- Decision by
- Delegated Team Manager
- Postcode
- NW2 4NS
Site history
Applications at this address on the Brent register
This site has had 3 applications since 2025: 1 approved, 2 refused.
-
25/3264 Refused
10 Blenheim Gardens, London, NW2 4NS
Proposed demolition of rear extension, proposed single storey rear extension, part first floor rear extension, replacement of 1x front rooflight and first floor windows on rear elevation, addition of 1x front rooflight, 1x side rooflight and 1x rear rooflight, additional parking space in front garden and replacement of fence to the front garden of the dwellinghouse.
-
25/3075 Refused
10 Blenheim Gardens, London, NW2 4NS
Certificate of lawfulness for proposed single-storey outbuilding in rear garden of the dwellinghouse
Timeline
Dates from the published record
-
15 Dec 2025
Received by Brent
-
19 Dec 2025
Validated
Checked as complete and ready for consideration.
-
22 Jan 2026
Decision issued: Certificate of Lawfulness - Granted
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file
9 applications on PlanIndex · across 5 councils
Trade members see who it is, their full track record, and every application they have filed.
See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
7 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 22 January 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
-
34 Blenheim Gardens, London, NW2 4NS
Demolition of rear conservatory and erection of single-storey side-to-rear extension and raised rear terrace with glass balustrade to ground floor flat
Refused Full applications Extension Demolition 5 docsSmall domestic -
34 Blenheim Gardens, London, NW2 4NS
Erection of a timber outbuilding in rear garden to ground floor flat
Granted Full applications 5 docs -
10 Blenheim Gardens, London, NW2 4NS
Proposed demolition of rear extension, proposed single storey rear extension, part first floor rear extension, replacement of 1x front rooflight and first floor windows on rear elevation, addition of 1x front rooflight, 1x side rooflight and 1x rear rooflight, additional parking space in front garden and replacement of fence to the front garden of the dwellinghouse.
Refused Householder Extension Loft or dormer +2 4 docsSmall domestic -
42C Blenheim Gardens, London, NW2 4NS
Details pursuant to condition 5 (construction logistics plan) of Full Planning Permission reference 20/0741 dated 30 June, 2020, for Basement extension with creation of side lightwell and sunken patio to rear; replacement of door and external staircase to existing rear extension; installation of juliet balcony to rear and opening of 2 new windows to side elevation at ground floor level; widening of vehicle crossover to create additional parking spaces with associated landscaping to maisonette
Granted Conditions Extension Windows or glazing 4 docs -
10 Blenheim Gardens, London, NW2 4NS
Certificate of lawfulness for proposed single-storey outbuilding in rear garden of the dwellinghouse
Refused Lawful development 7 docsSmall domestic -
30A Blenheim Gardens, London, NW2 4NS
79% historically approved · decision due ~10 Aug
Proposed mansard roof extension, roof terrace with privacy screening to rear roof and installatio...
Decided Extension Loft or dormer
Other lawful development applications
In Brent
-
26/0783 Granted
3 Hamilton Road, London, NW10 1NU
Certificate of lawfulness for existing single-storey rear extension to dwellinghouse
-
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.