15 Brookfield Avenue London NW7 2DB Data via plota.co.uk
Proposal
Single storey rear extension. Erection of rear outbuilding following demolition of existing garage (amended). Data via plota.co.uk
Application progress
Approved on 21 Nov 2025 · Delegated Decision · Last checked 27 Oct 2026
Documents 3
Decision & officer reports 1
Plans & drawings 1
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 2
Last sold for £325,000 in March 2011. Terraced 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 March 2010, 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 28 days from validation, 24 days faster than Barnet's median of 52 for extensions. Approved, as 75% of extensions here are.
Plota live figures for extensions decided by Barnet in the last twelve months, from validation. Barnet decision record →
Public comments
No public comments yet.
Last counted 27 Oct 2026
Consultation & key dates
- Alt. reference
- PP-14418267
- Planning Portal ref
- PP-14418267
- Statutory expiry
- 19 Dec 2025
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
Barnet is faster than most councils at deciding householder applications, ranking #42 out of 296. Only 25% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Barnet is also one of the strictest councils - it refuses more householder applications than almost any other, with only 82% approved vs 90% nationally.
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 Brookfield Avenue London NW7 2DB
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