7 Lyndhurst Avenue London NW7 2AD Data via plota.co.uk
Proposal
Roof extension involving side cottage dormers including rear dormer window with juliette balcony, 2no. front facing rooflights. Alterations to main ridge height reducing its final height. Removal of chimney to side roofslope. Replacement of first floor rear gable pitched roof with flat roof [Amended Description] Data via plota.co.uk
Application progress
Approved on 31 Jul 2026 · Delegated Decision · Last checked 8 Aug 2026
Documents 15
Decision & officer reports 1
Plans & drawings 13
Site constraints 5
Checked on 6 October 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.
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Important details
How this decision compares
Decided in 43 days from validation, 9 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 8 Aug 2026
Consultation & key dates
- Alt. reference
- PP-15015763
- Planning Portal ref
- PP-15015763
- Statutory expiry
- 13 Aug 2026
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
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.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
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7 Lyndhurst Avenue London NW7 2AD
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