4 Biddulph Road London W9 1JB Data via plota.co.uk
Proposal
Erection of rear extensions at ground and first floor levels, single storey side extension at ground floor level, and rear roof dormer; Excavation to extend existing basement level with associated lightwells to front and rooflights to rear garden; installation of rooflights; Alterations to windows and doors; Creation of bin store to front garden; Landscaping works; provision of attenuation tank under part of front garden; and associated external alterations. Data via plota.co.uk
Application progress
Approved on 12 Jun 2026 · Complex Delegated Decision · Last checked 11 Oct 2026
Documents 35
Decision & officer reports 2
Statements & assessments 16
Plans & drawings 8
Application forms 1
Consultation & comments 1
Other documents 7
Associated applications 2
- Erection of rear extensions at ground and first floor levels, single storey side extension at ground floor level, and rear roof…
Conditions 10 awaiting decision
Site constraints 6
Checked on 9 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 £3,285,000 in June 2023. Detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in February 2023, the latest held for this property. The building may have changed since. View the certificate
Every application in Westminster - and every UK council - as a live feed, an API, or a bulk CSV export.
Other new applications on this street
Nearby new applications
11 Castellain Road London W9 1EY
T1 - Mature Sycamore- Carry out a crown reduction of up to 3m in height and up t...
126 Hamilton Terrace London NW8 9UT
Details of Joinery sections through new windows/doors pursuant to condition 3 (p...
126 Hamilton Terrace London NW8 9UT
Details of Joinery sections through new windows/doors pursuant to condition 3 (p...
36 Abercorn Place London NW8 9XP
Detailed written and photographic specification of the materials to be used incl...
16D Randolph Crescent London W9 1DR
Replacement of single glazed timber windows and French doors to the front and re...
4 Biddulph Road London W9 1JB
Details of signed Appendix A - checklist B pursuant to discharge of condition 10...
Important details
- Council
- Westminster
- Application type
- Full Planning Permission Application
- Postcode
- W9 1JB
- Received
- 20 Nov 2025
- Validated
- 20 Nov 2025
- Ward
- Maida Vale
- Case officer
- Show
- Target decision
- 15 Jan 2026
- Decision
- Application Permitted
- Decision date
- 12 Jun 2026
- Decision level
- Complex Delegated Decision
- Agent
- 23 Architecture
How this decision compares
Decided in 204 days from validation, 131 days slower than Westminster's median of 73 for full applications. Approved, as 86% of full applications here are.
Plota live figures for full applications decided by Westminster in the last twelve months, from validation. Westminster decision record →
Public comments
100% object · above the UK average of 74%
64 neighbours consulted · Last counted 11 Oct 2026
Consultation & key dates
- Alt. reference
- PP-14490725
- Planning Portal ref
- PP-14490725
- Comments by
- 11 Mar 2026
- Site or press notice
- 18 Feb 2026
- Env. assessment
- No
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
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
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
Track this application
4 Biddulph Road London W9 1JB
Tracking this application
Not there in a minute? Check junk - especially Hotmail and Outlook.
Go to your dashboard →Sign in to view contact details
Applicant and case-officer names are hidden from public view for privacy. Create a free Plota account - or sign back in - and we'll show them, plus you get a dashboard for alerts and tracked applications.
