Planning application
47 Weymouth Street London W1G 8NE
Works: Extension Windows or glazing Domestic
Read from the description, not a valuation. How we read the register
Relates to 25/06502/LBC
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
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)
As published by the council, reference 25/06331/NMA
Application record
- Reference
- 25/06331/NMA
- Type
- Non-material amendments
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 5 Sep 2025
- Validated
- 5 Sep 2025
- Decided
- 19 Sep 2025
- 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.
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25/06502/LBC Granted
47 Weymouth Street London W1G 8NE
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
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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).
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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).
Timeline
Dates from the published record
-
5 Sep 2025
Received by Westminster
-
19 Sep 2025
Decision issued: Application Permitted
-
21 Jul 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
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25/06502/LBC Granted
47 Weymouth Street London W1G 8NE
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
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
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Plans, drawings, consultee responses and the officer's report
14 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 19 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 amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
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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
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
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
Granted Heritage and listed buildings Extension 29 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 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
Other amendment applications
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26/07389/NMA Decided
Flat 1 5 Grittleton Road London W9 2DD
Amendments to planning permission dated 04 June 2025 (RN: 25/02022/FULL), NAMELY, amendment of Condition 4 to correct the property address from 9 Aldridge Road Villas to Flat 1 5 Grittleton Road.
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26/07377/NMA Awaiting decision
60 Ledbury Road London W11 2AJ
Amendments to planning permission dated 2nd October 2025 (RN 25/04018/FULL) for the Partial demolition, refurbishment, and erection of a mansard roof extension to form a new third floor with dormers to front, side and rear elevations; to form 6 flats (Class C3) on upper floors; external plant equipment and ductwork; lower ground floor excavation to increase floor to ceiling height; replacement windows; cycle parking and associated external alterations; use of the part ground floor and lower ground floor as retail and restaurant (Class E). Site includes 60-68 Ledbury Road) NAMELY, An amendment to the basement and ground floor drawing reference numbers; amendment to the description of development, in reference to restaurant and or retail use; and amendments to C
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26/07375/NMA Awaiting decision
77 Hereford Road London W2 5BB
Amendments to planning permission dated 4th August 2026 (RN 26/03970/FULL) for the Replacement of roof terrace access stair with glazed hatch, new timber decking and front and rear roof railings to roof terrace, with infilling side window of closet wing. NAMELY, Hinged hatch access substituted by sliding hatch.
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26/07312/NMA Awaiting decision
15 Rodmarton Street London W1U 8BL
Amendment to planning permission dated 5 May 2026 (26/00539/FULL) for: Erection of a single storey conservatory at rear ground floor level, use of the garage as internal living accommodation and installation of a new skylight at main roof level namely, to allow a reduction in the size of the rear orangery and alterations to its roof arrangement.
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26/07317/NMA Awaiting decision
42 - 44 Beak Street London W1F 9RH
Amendments to planning permission dated 28 October 2025 (25/06226/FULL) for: Installation of a replacement entrance door and the formation of an additional new entrance at ground floor level; associated alterations to the ground floor facade and the installation of plant and related mechanical equipment at roof level namely, paint colour and lighting.