3 Northumberland Place London W2 5BS Data via plota.co.uk
Description
Proposed installation of one air source heat pump on the flat roof of the rear outrigger. Data via plota.co.uk
Last checked
Decision outlook
Plota predicts a decision between 20 Nov 2026 and 3 Dec 2026, from Westminster's recent full applications.
Day 10 of the 56-day target. Westminster usually decides full applications by day 60.
Plota live figures for full applications decided by Westminster in the last twelve months, from validation. Westminster decision record →
Associated applications 2
Part of
- Proposed installation of one air source heat pump on the flat roof of the rear outrigger.This application26/06481/CLOPUD
Site constraints 7
Checked on 26 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 £5,400,000 in December 2023. Terraced house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
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Historical activity at this location
33 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Westminster is slower than most councils at deciding householder applications, ranking #258 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Westminster is also one of the strictest councils - it refuses more householder applications than almost any other, with only 81% 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
Council archive
3 Northumberland Place London W2 5BS
Erection of a mansard roof extension to a five storey terraced house and installation of solar panels at roof.
- Received
- 17 Mar 2025
- Decided
- 19 Jun 2025
- Outcome
- Approved
