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
- Granted As published: 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
IDEAL Design Ltd Agent, a design practice registered in London
Active · incorporated 2018 · London
80 applications on PlanIndex · across 17 councils · 70% 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.
Watch members (£5 a month) open the document list 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 0.3 miles
-
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 -
10 Mostyn Gardens, London, NW10 5QX
Certificate of lawfulness for proposed rear dormer with juliet balcony, loft conversion into habitable space and installation of 3x front rooflights to dwellinghouse
Granted Lawful development Loft or dormer 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 -
10 Mostyn Gardens, London, NW10 5QX
Proposed erection of rear dormer with juliet balcony, linked dormer to outrigger and x3 front rooflights to dwellinghouse.
Granted Householder Extension Loft or dormer 5 docsDomestic -
24 Mostyn Gardens, London, NW10 5QX
Proposed erection of single-storey side to rear extension to dwellinghouse
Granted Householder Extension 12 docsSmall domestic
Other householder applications
In Brent
-
26/2300 Awaiting decision
22 Plympton Avenue, London, NW6 7TJ
Proposed single-storey side infill extension, replacement of ground floor rear door with window, and replacement of ground floor rear windows with sliding doors to dwellinghouse
-
26/2292 Awaiting decision
116 Stag Lane, Edgware, HA8 5LL
Demolition of existing side store and proposed single store side to rear extension, first floor part side and rear extension, front porch extension, hip to gable extension, rear dormer window with 4x front rooflights and removal of chimney stack to the dwellinghouse.
-
26/2264 Awaiting decision
19 Littleton Road, Harrow, HA1 3SY
Proposed demolition of existing garage, single storey side extension and single storey rear extension, and erection of a two-storey side extension, part single and part two storey rear extension, 1x side and 1x rear dormer extension, conversion of garage into habitable space with replacement of garage door with window, alteration to front, rear and side fenestration and removal of chimney to dwellinghouse.
-
26/2262 Awaiting decision
1 Chestnut Grove, Wembley, HA0 2LX
Demolition of existing conservatory, part two storey rear extension, single storey structure to side extension & front porch and erection of single-storey side to rear extension, erection of first floor rear extension, alterations to raised patio, addition of hipped roof to first-floor side extension, 1x front & 1x rear rooflight, replacement of roof tiles, alterations to fenestrations, rendering to elevations, front porch canopy with pillars, new front door & new garage door to dwellinghouse
-
26/2260 Awaiting decision
19 Mitchell Way, London, NW10 0PT
Proposed two storey rear extension and front porch extension with canopy to dwellinghouse.