4A Abercorn Place NW8 9XR Data via plota.co.uk
Proposal
Amendments to planning permission dated 13th February 2026 (RN:25/06416/FULL) for Exterior alterations to existing building, including introduction of new pergola to rear elevation, extension of existing ground floor plant/storage room, modifications to existing windows and doors, new traditional roof lantern rooflight, and changes to existing boundary wall. Namely, increase height of part of existing boundary wall, replacement of existing window with new timber-framed door at basement level. Data via plota.co.uk
Application progress
Approved on 12 Jun 2026 · Delegated Decision · Last checked 7 Jul 2026
Documents 12
Decision & officer reports 2
Plans & drawings 5
Application forms 2
Associated applications 2
- AmendmentAmendments to planning permission dated 13th February 2026 (RN)This application26/02764/NMA
Site constraints 7
Show all 18 with distances
- 39 m6, Abercorn Place Nw8Grade II
- 52 mChurch of St MarkGrade II*
- 54 m8 and 10, Abercorn Place Nw8Grade II
- 59 m112, Hamilton Terrace Nw8Grade II
- 70 m12-16, Abercorn Place Nw8Grade II
- 77 mWar memorial at the Church of St MarkGrade II
- 93 m18-22, Abercorn Place Nw8Grade II
- 109 mListed buildings 1357072
- 125 m118 and 120, Hamilton Terrace Nw8Grade II
- 125 m9-41, Abbey Gardens Nw8Grade II
- 131 m9 and 11, Hill Road Nw8Grade II
- 132 mAbbotsfieldGrade II
- 134 m50-56, Abbey Gardens Nw8Grade II
- 141 m92 and 94, Hamilton Terrace Nw8Grade II
- 144 m8-48, Abbey Gardens Nw8Grade II
- 146 m30, Abercorn Place Nw8Grade II
- 148 mThe GablesGrade II
- 149 m5 and 7, Hill Road Nw8Grade II
Checked on 3 November 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 £10,350,000 in September 2025. Semi-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 September 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.
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Important details
- Council
- Westminster
- Application type
- Non-material amendments
- Postcode
- NW8 9XR
- Received
- 24 Apr 2026
- Validated
- 24 Apr 2026
- Ward
- Abbey Road
- Case officer
- Show
- Target decision
- 22 May 2026
- Decision
- Application Permitted
- Decision date
- 12 Jun 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Hugh Cullum Architects Ltd
How this decision compares
Decided in 49 days from validation, 6 days faster 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 →
Consultation & key dates
- Alt. reference
- PP-14885787
- Planning Portal ref
- PP-14885787
- Env. assessment
- No
Historical activity at this location
26 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.
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4A Abercorn Place NW8 9XR
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