Planning application
1B Chester Row London SW1W 9JF
Works: Extension Roofing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Extension at rear roof level, relocation of existing plant enclosure, simplification of roofscape including new roof maintenance access hatch.
As published by the council, reference 25/05281/FULL
Application record
- Reference
- 25/05281/FULL
- Type
- Full Planning Permission Application
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 29 Jul 2025
- Validated
- 29 Jul 2025
- Decided
- 24 Sep 2025
- Ward
- Knightsbridge & Belgravia
- Decision by
- Complex Delegated Decision
- Postcode
- SW1W 9JF
Site history
Applications at this address on the Westminster register
This site has had 4 applications since 2025: 1 approved, 1 refused.
-
26/04485/FULL Awaiting decision
1B Chester Row London SW1W 9JF
New basement extension (under the rear half of the building) to enlarge the existing basement (beneath the front half of the building), including creation of a new lightwell along the rear of the building.
-
25/08340/ADFULL Awaiting decision
1B Chester Row London SW1W 9JF
Detailed drawings of new rear windows pursuant to condition 5 of planning permission dated 24th September 2025 (RN:25/05281).
-
25/07487/ADFULL Refused
1B Chester Row London SW1W 9JF
Detailed drawings of new rear windows pursuant to condition 5 of planning permission dated 24th September 2025 (RN: 25/05281).
Timeline
Dates from the published record
-
29 Jul 2025
Received by Westminster
-
24 Sep 2025
Decision issued: Application Permitted
-
21 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
AD Heritage Planning Agent, a planning consultancy
13 applications on PlanIndex · across 3 councils
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
27 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
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Open the documentsWhat this grant of permission means
Westminster granted permission on 24 September 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
1B Chester Row London SW1W 9JF
87% historically approved · decision due ~31 Aug
New basement extension (under the rear half of the building) to enlarge the existing basement (beneath the front half of the building), including creation of a new lightwell along the rear of the building.
Awaiting decision Full applications Extension 31 docs -
First Floor Flat 75 - 77 Elizabeth Street London SW1W 9PJ
Installation of replacement sashes (double glazed) within the existing box frames to the front and rear at first floor level and associated works.
Granted Full applications Windows or glazing 15 docs -
First Floor Flat 75 - 77 Elizabeth Street London SW1W 9PJ
Installation of replacement sashes (double glazed) within the existing box frames to the front and rear at first floor level and associated works. (Linked with 25/07677/FULL)
Granted Heritage and listed buildings Windows or glazing 10 docs -
1 Chester Row London SW1W 9JF
Installation of scaffold fixings, removal and replacement of render and structural strengthening to cracks in underlying brickwork to front elevation.
Granted Heritage and listed buildings 15 docs -
First Floor Flat 75 - 77 Elizabeth Street London SW1W 9PJ
Detailed drawings (including sections) of the replacement windows pursuant to Condition 4 of planning permission dated 19 February 2026 (25/07677/FULL).
Granted Full applications Windows or glazing 6 docs -
First Floor Flat 75 - 77 Elizabeth Street London SW1W 9PJ
Detailed drawings (including sections) of the replacement windows pursuant to Condition 3 of listed building consent dated 19 February 2026 (25/07678/LBC).
Granted Conditions Windows or glazing 6 docs
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Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.
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