Neptune House 2A Alexandra Grove London N12 8NU Data via plota.co.uk
Proposal
Single-storey upward mansard roof extension to provide additional Class E office accommodation, with a recessed balcony within the roof slope, associated internal alterations including a new passenger lift Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision around 1 Dec 2026, from Barnet's recent commercial and major works.
Documents 5
Statements & assessments 1
Plans & drawings 2
Site constraints 5
Checked on 7 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 2
Last sold for £1,710,000 in October 2024. Semi-detached house, freehold.
More than one property is recorded at this address: HM Land Registry does not always give the flat or unit.
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 3 of the 56-day target. Barnet usually decides commercial and major works by day 56.
Plota live figures for commercial and major works decided by Barnet in the last twelve months, from validation. Barnet decision record →
Public comments
No public comments yet.
Last counted 7 Oct 2026
Consultation & key dates
- Alt. reference
- PP-15272796
- Planning Portal ref
- PP-15272796
- Comments by
- 5 Nov 2026
- Site or press notice
- 15 Oct 2026
- Statutory expiry
- 1 Dec 2026
Historical activity at this location
28 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 owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.
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Neptune House 2A Alexandra Grove London N12 8NU
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Freehold owner, on paid plans
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Comments are open until 5 Nov 2026