Planning application
9 Mostyn Gardens, London, NW10 5QU
Works: Extension Demolition 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
Demolition of conservatory and store, proposed construction of single storey side to rear extension to dwellinghouse.
As published by the council, reference 25/2347
Application record
- Reference
- 25/2347
- Type
- Householder
- Status
- Decided
- Decision
- Permission Granted
- Received
- 12 Aug 2025
- Validated
- 14 Aug 2025
- Decided
- 8 Oct 2025
- Ward
- Queens Park
- Decision by
- Delegated Team Manager
- Postcode
- NW10 5QU
Site history
Applications at this address on the Brent register
This site has had 3 applications since 2025: 2 approved, 1 refused.
-
25/2867 Granted
9 Mostyn Gardens, London, NW10 5QU
Certificate of lawfulness for proposed rear dormer window, linked dormer to outrigger and x3 front rooflights to dwellinghouse
-
25/2344 Refused
9 Mostyn Gardens, London, NW10 5QU
Certificate of lawfulness for proposed erection of rear dormer, linked dormer to outrigger and x3 front rooflights to dwellinghouse
Timeline
Dates from the published record
-
12 Aug 2025
Received by Brent
-
14 Aug 2025
Validated
Checked as complete and ready for consideration.
-
8 Oct 2025
Decision issued: Permission Granted
-
11 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, a design practice registered in London
64 applications on PlanIndex · across 16 councils · 69% granted
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
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.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Brent granted permission on 8 October 2025, 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 householder applications
Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
9 Mostyn Gardens, London, NW10 5QU
Certificate of lawfulness for proposed erection of rear dormer, linked dormer to outrigger and x3 front rooflights to dwellinghouse
Refused Lawful development Extension Loft or dormer 8 docsDomestic -
9 Mostyn Gardens, London, NW10 5QU
Certificate of lawfulness for proposed rear dormer window, linked dormer to outrigger and x3 front rooflights to dwellinghouse
Granted Lawful development Extension Loft or dormer +1 8 docsDomestic -
24 Mostyn Gardens, London, NW10 5QX
Non material amendment (New side wall of the extension to be the party wall with No. 22 Mostyn Gardens) of Householder planning application reference 25/2386 dated 17/11/2025 for Proposed erection of single-storey side to rear extension to dwellinghouse
Refused Amendments Extension 5 docsSmall domestic -
24 Mostyn Gardens, London, NW10 5QX
Proposed erection of single-storey side to rear extension to dwellinghouse
Granted Householder Extension 12 docsSmall domestic -
24 Mostyn Gardens, London, NW10 5QX
Proposed erection of single-storey side to rear extension to dwellinghouse.
Granted Householder Extension 13 docsSmall domestic -
16 Mostyn Gardens, London, NW10 5QX
79% historically approved · decision due ~10 Aug
Proposed demolition of chimney stack and erection of single-storey side to rear extension to dwel...
Decided Extension DemolitionSmall domestic
Other householder applications
In Brent
-
26/0944 Refused
11 Briar Road, Harrow, HA3 0DP
Retention of two-storey side extension with associated front balcony; conversion of attached garage to habitable room; part single-storey side infill extension; single-storey rear extension with raised patio; installation of 3x side rooflights & 1x rear rooflight; replacement of roof-tiles, front door, external windows, garage door and chimney stack; installation of external lighting to the front elevation; and installation of 4x retractable bollards, hardstanding, associated soft-landscaping, drainage channels and soakaway within forecourt of dwellinghouse (amended description)
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26/0945 Granted
11 Briar Road, Harrow, HA3 0DP
Proposed two-storey side extension with associated front balcony; conversion of attached garage to habitable room; part single-storey side infill extension; single-storey rear extension with raised patio; installation of 3x side rooflights & 2x rear rooflights; replacement of roof-tiles; retention of front door; alterations to external windows; replacement of uPVC garage door with timber garage door; removal of external lighting on front elevation; reinstatement of chimney stack; and installation of hardstanding, associated soft landscaping, drainage channels and soakaway within forecourt of dwellinghouse (amended description)
-
26/0859 Granted
56 Okehampton Road, London, NW10 3EP
Proposed demolition of side garage, erection of two storey side extension, replacement of rear doors to ground floor, replacement of 4x windows and removal of 1x window and 1x door to side elevation, new front boundary wall and bin storage to front garden.
-
26/1190 Refused
244 Willesden Lane, Willesden, London, NW2 5RE
Demolition of conservatory and shed, and erection of a single-storey side infill and rear extension, installation of a door to the side elevation and erection of a new masonry side boundary wall to the dwellinghouse.
-
26/0867 Refused
14 Mount Pleasant Road, London, NW10 3EL
Proposed erection of boundary wall, a bin store, pedestrian and vehicular access gates, associated hard and soft landscaping to front garden (revised description)