15 Grosvenor Hill London W1K 3QA Data via plota.co.uk
Proposal
External fire remediation works to an existing four-storey residential apartment building. Works comprise of: . The removal and replacement of the existing external wall cladding system with a matching system of identical appearance, profile, colour and finish, upgraded to achieve A2-s1,d0 fire performance standards. . Replacement of combustible insulation where necessary . Replacement and introduction of cavity barriers, fire-stopping measures and associated supporting components as required to comply with current fire safety requirements. The replacement materials will replicate the existing appearance of the building and will not result in a material alteration to the external appearance. Minor associated works are proposed to the rear elevation only, with no changes to the use of the building, site access arrangements, highways, drainage, hardstanding or site layout. The building will remain in use as residential flats throughout and no increase in floorspace, building height or residential accommodation is proposed. Data via plota.co.uk
Application progress
This application is under consideration - no decision has been issued yet.
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Important details
- Council
- Westminster
- Application type
- Certificate of Lawfulness (proposed)
- Postcode
- W1K 3QA
- Received
- 14 Aug 2026
- Validated
- 14 Aug 2026
- Ward
- West End
- Case officer
- Show
- Target decision
- 9 Oct 2026
- Applicant
- Show
- Agent
- AWW Architects
Consultation & key dates
- Alt. reference
- PP-15131955
- Env. assessment
- No
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.
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15 Grosvenor Hill London W1K 3QA
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