Planning application
47 Weymouth Street London W1G 8NE
Works: Extension
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Rear extension at basement level, alterations to rear flat roof areas and installation of a metal bridge and railings and other associated works in relation to the extension of the roof terrace at first floor level, internal alterations to each floor level
As published by the council, reference 25/06502/LBC
Application record
- Reference
- 25/06502/LBC
- Type
- Listed Building Consent Application
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 11 Sep 2025
- Validated
- 11 Sep 2025
- Decided
- 20 May 2026
- Ward
- Marylebone
- Decision by
- Delegated Decision
- Postcode
- W1G 8NE
Site history
Applications at this address on the Westminster register
This site has had 4 applications since 2025: 4 approved, 0 refused.
-
25/06324/ADLBC Granted
47 Weymouth Street London W1G 8NE
Detailed drawings of metal bridge, railings and external window pursuant to condition 5 of listed building consent dated 4th April 2019(RN:18/08715/LBC).
-
25/06329/ADFULL Granted
47 Weymouth Street London W1G 8NE
Detailed drawings of metal bridge, railings and external window pursuant to condition 3 of planning permssion dated 7th December 2018 (RN:18/08716/FULL).
-
25/06331/NMA Granted
47 Weymouth Street London W1G 8NE
Amendments to planning permission dated 24th July 2018 (RN 18/01879/FULL) for the Rear extension at basement level and extension of the roof terrace at first floor level, use as a single family dwelling (C3 use class). NAMELY, Change from metal glazed screen to timber sash window to infill extension at lower ground floor, omission of timber panelling to rear roof terrace, replacement of concrete coping to rear terrace wall with new stone ones and amendment to metal bridge design. (Linked to 25/06502/LBC)
Timeline
Dates from the published record
-
11 Sep 2025
Received by Westminster
-
20 May 2026
Decision issued: Application Permitted
-
21 Jul 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
1 later application on the register refers to this one:
-
25/06331/NMA Granted
47 Weymouth Street London W1G 8NE
Amendments to planning permission dated 24th July 2018 (RN 18/01879/FULL) for the Rear extension at basement level and extension of the roof terrace at first floor level, use as a single family dwelling (C3 use class). NAMELY, Change from metal glazed screen to timber sash window to infill extension at lower ground floor, omission of timber panelling to rear roof terrace, replacement of concrete coping to rear terrace wall with new stone ones and amendment to metal bridge design. (Linked to 25/06502/LBC)
Who's behind it
Company information only, from the register and Companies House
IBLA Agent, registered in London
Active · incorporated 2000 · London
17 applications on PlanIndex · across 3 councils · 100% granted
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
29 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 20 May 2026, 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 heritage and listed building applications
Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
47 Weymouth Street London W1G 8NE
Detailed drawings of metal bridge, railings and external window pursuant to condition 3 of planning permssion dated 7th December 2018 (RN:18/08716/FULL).
Granted Full applications Windows or glazing 6 docs -
47 Weymouth Street London W1G 8NE
Detailed drawings of metal bridge, railings and external window pursuant to condition 5 of listed building consent dated 4th April 2019(RN:18/08715/LBC).
Granted Conditions Windows or glazing 6 docs -
47 Weymouth Street London W1G 8NE
Amendments to planning permission dated 24th July 2018 (RN 18/01879/FULL) for the Rear extension at basement level and extension of the roof terrace at first floor level, use as a single family dwelling (C3 use class). NAMELY, Change from metal glazed screen to timber sash window to infill extension at lower ground floor, omission of timber panelling to rear roof terrace, replacement of concrete coping to rear terrace wall with new stone ones and amendment to metal bridge design. (Linked to 25/06502/LBC)
Granted Amendments Extension Windows or glazing 14 docsDomestic -
43 Weymouth Street London W1G 8NB
Partial demolition of rear roofslope and creation of a concealed roof terrace at rear second floor level. Installation of one rooflight, one external door and one repositioned window.
Granted Heritage and listed buildings Loft or dormer Demolition +1 19 docs -
43 Weymouth Street London W1G 8NB
Partial demolition of rear roofslope and creation of a concealed roof terrace at rear second floor level. Installation of one rooflight, one external door and one repositioned window.
Granted Full applications Loft or dormer Demolition +1 17 docs -
45 Wimpole Street London W1G 8SB
90% historically approved · decision due ~20 May
Installation of emergency lighting above exit doors (internal side of door only)
Awaiting decision Heritage and listed buildings 10 docs
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