15 Alexander Avenue, London, NW10 3QT Data via plota.co.uk
Proposal
Proposed demolition of rear outbuilding, erection of part single part two-storey rear extension with x2 lantern rooflights and first floor juliet balcony, basement extension and lowering of ground level at front to accommodate garage at basement level, two-storey front extension, first floor front balcony and alterations to front bay windows, x2 hip to gable roof extensions, rear dormer with x3 juliet balconies, replacement of roof tiles, x4 front rooflights, rendering to all elevations, brickwork to ground floor front elevation, alterations to fenestration, raised decking to rear, alteration to front boundary wall and hard and soft landscaping to rear garden of dwellinghouse Data via plota.co.uk
Application progress
Refused on 5 Jan 2026 · Delegated Team Manager · Last checked 2 Nov 2026
Documents 7
Decision & officer reports 2
Statements & assessments 1
Plans & drawings 3
Application forms 1
Site constraints 4
Checked on 2 November 2026. Historic England, the Environment Agency, Natural England, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Sales history 1
Last sold for £1,360,000 in January 2025. Detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in September 2022, the latest held for this property. The building may have changed since. View the certificate
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Important details
How this decision compares
Decided in 83 days from validation, 27 days slower than Brent's median of 56 for householder applications. Refused, as 15% of householder applications here are.
Plota live figures for householder applications decided by Brent in the last twelve months, from validation. Brent decision record →
Public comments
No public comments yet.
Last counted 2 Nov 2026
Consultation & key dates
- Alt. reference
- PP-14342116
- Planning Portal ref
- PP-14342116
- Comments by
- 10 Nov 2025
- Env. assessment
- No
Historical activity at this location
26 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Brent is faster than most councils at deciding householder applications, ranking #91 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Householder applications are slightly less likely to be approved here (85%) than the national average (90%).
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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15 Alexander Avenue, London, NW10 3QT
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