170 Long Lane London N3 2RA Data via plota.co.uk
Proposal
Roof extension with rear dormer windows and 5no. rooflights to provide 1no. self-contained flat Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision between 3 Dec 2026 and 15 Dec 2026, from Barnet's recent extensions.
Documents 7
Statements & assessments 1
Plans & drawings 4
Site constraints 4
Checked on 22 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.
Sales history 1
Last sold for £62,500 in August 1999. Flat or maisonette, leasehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Every application in Barnet - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- Barnet
- Postcode
- N3 2RA
- Received
- 21 Oct 2026
- Validated
- 21 Oct 2026
- Target decision
- 16 Dec 2026
Decision outlook
Day 7 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 22 Oct 2026
Consultation & key dates
- Alt. reference
- PP-15313253
- Planning Portal ref
- PP-15313253
- Comments by
- 19 Nov 2026
- Site or press notice
- 29 Oct 2026
- Statutory expiry
- 16 Dec 2026
Historical activity at this location
27 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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170 Long Lane London N3 2RA
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Comments are open until 19 Nov 2026