Planning application
135 Dudden Hill Lane, London, NW10 1BN
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, 1x chimney removal and 3x front rooflights to the dwellinghouse.
As published by the council, reference 26/0004
Application record
- Reference
- 26/0004
- Type
- Certificate of Lawfulness - Proposed
- Status
- Decided
- Decision
- Granted As published: Certificate of Lawfulness - Granted
- Received
- 2 Jan 2026
- Validated
- 8 Jan 2026
- Decided
- 10 Feb 2026
- Ward
- Dollis Hill
- Decision by
- Delegated Team Manager
- Postcode
- NW10 1BN
Site history
Applications at this address on the Brent register
This site has had 2 applications since 2026: 2 approved, 0 refused.
-
26/0005 Granted
135 Dudden Hill Lane, London, NW10 1BN
Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m Maximum height - 3m Eaves height - 2.7m
Timeline
Dates from the published record
-
2 Jan 2026
Received by Brent
-
8 Jan 2026
Validated
Checked as complete and ready for consideration.
-
10 Feb 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
QM Designs Agent, a design practice
27 applications on PlanIndex · across 9 councils · 79% 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
6 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 10 February 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 0.3 miles
-
135 Dudden Hill Lane, London, NW10 1BN
Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m Maximum height - 3m Eaves height - 2.7m
Granted Prior approval Extension 5 docsSmall domestic -
33 Mulgrave Road, London, NW10 1BS
Certificate of lawfulness for proposed rear dormer with a Juliet balcony 3 front rooflights to the dwellinghouse.
Granted Lawful development Loft or dormer 4 docsDomestic -
31 Mulgrave Road, London, NW10 1BS
Certificate of lawfulness for proposed single storey rear extension and rear dormer roof extension with a juliet balcony and 3 front rooflights to the dwellinghouse.
Granted Lawful development Extension Loft or dormer 6 docsSmall domestic -
40 Normanby Road, London, NW10 1BX
Proposed demolition of two single storey rear stores and erection of single storey rear extension, raised rear terrace, rear dormer window and one front rooflight to dwellinghouse
Granted Householder Extension Loft or dormer +2 19 docsSmall domestic -
3 Lennox Gardens, London, NW10 1AA
72% historically approved · decision due ~24 Dec
Proposed conversion of dwellinghouse into a 5 bedroom 9 person house in multiple occupation (HMO)
Awaiting decision Full applications 9 docsDomestic -
13 Lennox Gardens, London, NW10 1AA
Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 4m Maximum height - 3.90m Eaves height - 3m
Refused Prior approval Extension 5 docsSmall domestic
Other lawful development applications
In Brent
-
26/2285 Awaiting decision
137 Chatsworth Road, London, NW2 5QT
Certificate of lawfulness for proposed use as supported housing
-
26/2277 Awaiting decision
65 The Avenue, Wembley, HA9 9PH
Certificate of lawfulness for proposed conversion of outbuilding into a gym and sauna and extension to the outbuilding in rear garden of the dwellinghouse.
-
26/2199 Awaiting decision
Flat 8, 399 Neasden Lane North, London, NW10 0BD
Certificate of lawfulness for existing use of rear unit 8 as a self-contained flat.
-
26/2093 Awaiting decision
17 Buller Road, London, NW10 5BS
Certificate of lawfulness for proposed alterations to front, side and rear fenestrations including installation of ground floor side oriel window and rear timber door 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