Westminster
Westminster/25/09359/FULL
21 Montagu Mews South London W1H 7ES
- Reference
- Westminster/25/09359/FULL
- Authority
- Westminster
- Application type
- FULL
- Address
- 21 Montagu Mews South London W1H 7ES
- Postcode
- W1H 7ES
- Status
- Decided
- Decision
- Application Permitted
- Received
- 24 Dec 2025
- Validated
- 26 Mar 2026
- Started
- 26 Mar 2026
- Decided
- 28 May 2026
- Source council
- Westminster
- Council source record
- View public record
- Public data licence
- Open Government Licence v3.0
- Record updated
- 18 Jul 2026
- SEO index generated
- 24 Jul 2026
Location
Approximate location - Contains OS data © Crown copyright and database right
Proposal
Infill of existing light well to first floor at the rear, roof alterations including new conservation style roof lights and photovoltaic panels to the rear slope of the roof. Alterations to the front façade including the installation of new double doors with window over and removal metal bar to ground floor windows and installation of double glazed vacuum glazed double glazing within existing window units.
Key dates
- Received 24 Dec 2025
- Validated 26 Mar 2026
- Started 26 Mar 2026
- Decided 28 May 2026
Planning history / related applications
No related planning applications have been identified in the current public OGL dataset.
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- Ownership & title Registered owner and title from HM Land Registry.
- Viability & build potential Site scoring and development upside.
- Constraints Flood risk, green belt, conservation areas and designations.
- Approval signal Planning risk and approval-likelihood analysis.
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Source: public planning application data from Westminster, reused under the Open Government Licence v3.0. View the council source record. Council documents and drawings are not republished on plotEdge.