1 Oldbury Place London W1U 5PA Data via plota.co.uk
Proposal
Erection of a mansard roof extension to the existing dwellinghouse (Class C3), together with associated fenestration alterations. Data via plota.co.uk
Application progress
Approved on 30 Oct 2026 · Delegated Decision · Last checked 31 Oct 2026
Documents 21
Decision & officer reports 3
Statements & assessments 3
Plans & drawings 4
Application forms 2
Consultation & comments 1
Other documents 8
Site constraints 10
Show all 10 with distances
- 11 m5, Nottingham Street W1Grade II
- 16 m4, Nottingham Street W1Grade II
- 22 m3, Nottingham Street W1Grade II
- 28 m2, Nottingham Street W1Grade II
- 35 mPrince Regent Public HouseGrade II
- 77 mMarylebone Adult Education CentreGrade II
- 78 mThe Old Rising Sun Public HouseGrade II
- 99 mChurch of St MaryleboneGrade I
- 99 mSt Marylebone Youth Centre ClubGrade II
- 136 m3 Lamp Standards in St Mary's Marylebone ChurchyardGrade II
Checked on 2 November 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, 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 £1,800,000 in May 2022. Flat or maisonette, 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 March 2022, 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.
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Important details
- Council
- Westminster
- Application type
- Full Planning Permission Application
- Postcode
- W1U 5PA
- Received
- 16 Jul 2026
- Validated
- 16 Jul 2026
- Ward
- Marylebone
- Case officer
- Show
- Target decision
- 3 Nov 2026
- Decision
- Application Permitted
- Decision date
- 30 Oct 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Planning & Development Associates Ltd
- Freehold owner
- Show
How this decision compares
Decided in 106 days from validation, 51 days slower than Westminster's median of 55 for extensions. Approved, as 88% of extensions here are.
Plota live figures for extensions decided by Westminster in the last twelve months, from validation. Westminster decision record →
Public comments
11 neighbours consulted · Last counted 31 Oct 2026
Consultation & key dates
- Alt. reference
- PP-15090476
- Planning Portal ref
- PP-15090476
- Comments by
- 19 Aug 2026
- Site or press notice
- 29 Jul 2026
- Env. assessment
- No
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
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.
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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1 Oldbury Place London W1U 5PA
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Freehold owner, on paid plans
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