Planning application
31 Sycamore Grove, London, NW9 8RB
Works: New dwelling Loft or dormer Domestic
Read from the description, not a valuation. How we read the register
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Proposed conversion of dwellinghouse into 2x self-contained flats, alterations to front, side and rear elevations, installation of 1x front rooflight, refuse storage to front and cycle storage to the rear, alteration to front, side and rear landscaping and subdivision of rear garden
As published by the council, reference 26/0234
Application record
- Reference
- 26/0234
- Type
- Full Planning Permission
- Status
- Registered
- Received
- 2 Feb 2026
- Validated
- 20 Feb 2026
- Ward
- Welsh Harp
- Decision by
- Delegated Team Manager
- Postcode
- NW9 8RB
Site history
Applications at this address on the Brent register
This site has had 4 applications since 2022: 0 approved, 2 refused.
-
26/0224 Withdrawn
31 Sycamore Grove, London, NW9 8RB
Proposed conversion of single family dwelling into two flats, subdivision of rear garden, alterations to the forecourt to provide 1x car parking space, and associated cycle and refuse storage (Revised description)
-
22/3753 Refused
31 Sycamore Grove, London, NW9 8RB
Demolition of existing rear patio and proposed single storey rear extension, rear raised patio, loft conversion with rear dormer window, removal of chimney stack and 3x front rooflights to dwellinghouse.
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22/3738 Refused
31 Sycamore Grove, London, NW9 8RB
Proposed demolition of existing rear extension and existing chimney stack and erection of single storey rear extension, rear raised patio, rear dormer window and three front rooflights to dwellinghouse
Timeline
Dates from the published record
-
2 Feb 2026
Received by Brent
-
20 Feb 2026
Validated
Checked as complete and ready for consideration.
-
25 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 17 April 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Brent took a median of 56 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
Studio 136 Architects Ltd Agent, an architecture practice registered in Berkhamsted
Active · incorporated 2000 · Berkhamsted
344 applications on PlanIndex · across 31 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
8 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 happens while it is decided
This application is with Brent for determination, against a statutory target of eight weeks. Over the last year Brent decided full applications in a median of 69 days. More in our guide to how long planning decisions take.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
12 Sycamore Grove, London, NW9 8RB
Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m Maximum height - 2.9m Eaves height - 2.9m
Granted Prior approval Extension 5 docsSmall domestic -
31 Sycamore Grove, London, NW9 8RB
Demolition of existing rear patio and proposed single storey rear extension, rear raised patio, loft conversion with rear dormer window, removal of chimney stack and 3x front rooflights to dwellinghouse.
Refused Householder Extension Loft or dormer +2 6 docsSmall domestic -
12 Sycamore Grove, London, NW9 8RB
Certificate of lawfulness for proposed single storey rear extension to dwellinghouse
Refused Lawful development Extension 7 docsSmall domestic -
31 Sycamore Grove, London, NW9 8RB
Proposed demolition of existing rear extension and existing chimney stack and erection of single storey rear extension, rear raised patio, rear dormer window and three front rooflights to dwellinghouse
Refused Householder Extension Loft or dormer +2 12 docsSmall domestic -
31 Sycamore Grove, London, NW9 8RB
Proposed conversion of single family dwelling into two flats, subdivision of rear garden, alterations to the forecourt to provide 1x car parking space, and associated cycle and refuse storage (Revised description)
Withdrawn Full applications New dwelling 2 docsSeveral homes -
35 Maple Grove, London, NW9 8RA
Certificate of lawfulness for proposed rear dormer loft conversion with 2 front rooflights to the dwellinghouse.
Granted Lawful development Loft or dormer 8 docsDomestic
Other full applications
In Brent
-
26/0679 Granted
1 - 19 Sherwood, 172-174 Willesden Lane, Kilburn, London, NW6 7PJ
Proposed replacement to front and side boundary walls and soft landscaping to block of flats.
-
26/0314 Granted
43 Wood Lane, London, NW9 8DU
Proposed change of use from a single family dwelling (use class C3) to a care home (use class C2) for two young persons
-
26/1061 Granted
37 Lynton Road, London, NW6 6BE
Proposed single storey side extension, enlargement of existing rear dormer extension, basement extension, replacement of side and rear windows, alterations to the fenestration, soft and hard landscaping to the front and rear gardens and installation of front lightwell to the dwellinghouse.
-
26/0825 Granted
30A-D & 32A-B Winchester Avenue, Kilburn, London, NW6 7TU
Proposed conversion of flats within properties no. 30 and 32 into 4 x self-contained flats with erection of single storey side-to rear extension, rear dormer to main roof, dormer to rear outrigger, 4 x front rooflights, alterations to fenestration, replacement of rear balcony with Juliette balcony and retention of associated French doors, landscaping to front and rear garden and addition of cycle and refuse storage (revised description)
-
25/2559 Granted
22 & 22A Birchen Grove, London, NW9 8SA
Proposed de-conversion of 2x self-contained flats into 1x single-family dwellinghouse, erection of single-storey rear extension with raised terrace, hip to gable-end roof extension, rear dormer with Juliet balcony, 2x front rooflights, 1x second-floor side window, alteration to single-storey side extension roof and front porch (amended description)