Flat 3 10 Abbey Gardens London NW8 9AT Data via plota.co.uk
Proposal
Replacement of existing sashes with new timber sashes, incorporating Fineo Vacuum Glazing to the windows. (Linked with 26/03341/LBC) Data via plota.co.uk
Application progress
Approved on 7 Aug 2026 · Delegated Decision · Last checked 24 Sept 2026
Documents 19
Decision & officer reports 3
Statements & assessments 2
Plans & drawings 6
Application forms 1
Consultation & comments 1
Other documents 6
Associated applications 2
- Replacement of existing sashes with new timber sashes, incorporating Fineo Vacuum Glazing to the windows. (Linked with)
Site constraints 7
Show the other 20 with distances
- 8 m2-6, Abbey Gardens Nw8Grade II
- 29 m9-41, Abbey Gardens Nw8Grade II
- 49 m19 and 21, Abbey Road Nw8Grade II
- 50 m23 and 25, Abbey Road Nw8Grade II
- 65 m57 and 59, Marlborough Place Nw8Grade II
- 81 mMarlborough Family ServicesGrade II
- 81 mNew London SynagogueGrade II
- 89 m61 and 63, Marlborough Place Nw8Grade II
- 91 m46-52, Marlborough Place Nw8Grade II
- 106 m50-56, Abbey Gardens Nw8Grade II
- 107 m56 and 58, Marlborough Place Nw8Grade II
- 114 m65 and 67, Marlborough Place Nw8Grade II
- 120 mForecourt Wall and Gatepiers to Numbers 28 and 30Grade II
- 126 m30, Abercorn Place Nw8Grade II
- 127 m60 and 62, Marlborough Place Nw8Grade II
- 127 mAbbotsfieldGrade II
- 136 m18-22, Abercorn Place Nw8Grade II
- 146 m33-49, Blenheim Terrace Nw8Grade II
- 146 m12-16, Abercorn Place Nw8Grade II
- 150 m12, Langford PlaceGrade II
Checked on 6 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 £1,325,000 in February 2025. Flat or maisonette, leasehold.
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 2020, the latest held for this property. The building may have changed since. View the certificate
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Important details
- Council
- Westminster
- Application type
- Full Planning Permission Application
- Postcode
- NW8 9AT
- Received
- 4 Jun 2026
- Validated
- 26 Jun 2026
- Ward
- Abbey Road
- Case officer
- Show
- Target decision
- 21 Aug 2026
- Decision
- Application Permitted
- Decision date
- 7 Aug 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Heritage Window Consultancy
- Freehold owner
- Show
How this decision compares
Decided in 42 days from validation, 13 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 →
Public comments
No public comments yet.
14 neighbours consulted · Last counted 24 Sept 2026
Consultation & key dates
- 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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Flat 3 10 Abbey Gardens London NW8 9AT
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