15 Cowper Road London N14 5RR Data via plota.co.uk
Proposal
Part single, part two storey rear extension with 1no. rooflight. Rear extension and conversion of the existing garage into habitable room, insertion of rear window and door to replace garage door. New front porch. Data via plota.co.uk
Application progress
This application is under consideration - no decision has been issued yet. Plota predicts a decision between 7 Nov 2026 and 18 Nov 2026, from Barnet's recent extensions. Comments are open until 22 Oct 2026.
Comment on this application ↗Documents 7
Statements & assessments 1
Plans & drawings 4
Site constraints 3
Checked on 25 September 2026. Historic England, the Environment Agency, Natural England 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 £750,000 in December 2022. Semi-detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
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Important details
Decision outlook
Day 11 of the 56-day target. Barnet usually decides extensions by day 52.
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 1 Oct 2026
Consultation & key dates
- Alt. reference
- PP-15246227
- Comments by
- 22 Oct 2026
- Site or press notice
- 1 Oct 2026
- Statutory expiry
- 19 Nov 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.
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
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15 Cowper Road London N14 5RR
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