Planning application
82 Margaret Street London W1W 8LH
Works: Extension Loft or dormer Major scheme
Read from the description, not a valuation. How we read the register
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Amendments to planning permission dated 10th November (RN 25/02820/FULL) for, 'Alterations including opening of laundry building within the central courtyard at ground floor level; excavation to lower sections of the existing lower ground floor accommodation; erection of an infill extension at lower ground floor level with courtyard above; erection of dummy mansard to the rear of All Saints House to screen new plant; all in connection with the use of part lower ground, part ground and part ground upper floors as 29 units for short to medium stay temporary visitor accommodation (sui generis); use of part lower ground, part ground and part first floor as an event space (Sui Generis); use of part ground floor as lounge/co-working space (Class E); and provision of plant ancillary to the building at basement level'; NAMELY, amendments to the wording of Condition 11, to broaden the function of the ground floor level space beyond its use by occupiers of the visitor accommodation in the building for working, socialising, entertaining, dining or as a co-working space, and to allow for the display or retail sale of goods, other than hot food as permitted by Class E(a).
As published by the council, reference 26/04725/NMA
Application record
- Reference
- 26/04725/NMA
- Category
- Amendments
- Status
- Pending
- Received
- 15 Jul 2026
- Validated
- 15 Jul 2026
- Postcode
- W1W 8LH
Site history
Applications at this address on the Westminster register
This site has had 13 applications since 2026: 1 approved, 1 refused.
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26/07264/ADFULL Awaiting decision
82 Margaret Street London W1W 8LH
Details of the Validation Report pursuant to Condition 16 (Phase 4) of planning permission dated 10 November 2025 (RN: 25/02820/FULL).
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26/07113/ADFULL Awaiting decision
82 Margaret Street London W1W 8LH
Details of how waste is to be stored on site; pursuant to condition 30 of planning permission 10th November 2025 (25/02820/FULL)
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26/06838/ADFULL Awaiting decision
82 Margaret Street London W1W 8LH
Details of compliance with Code of Construction Practice and detailed site investigations (phases 1-3) pursuant to discharge of Conditions 10 and 16 (Parts 1-3) of planning permission dated 10th November 2025 (RN: 25/02820/FULL)
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26/06501/NMA Withdrawn
82 Margaret Street London W1W 8LH
Amendments to planning permission dated 10th November 2025 (RN:25/02820/FULL) for Alterations including opening of laundry building within the central courtyard at ground floor level; excavation to lower sections of the existing lower ground floor accommodation; erection of an infill extension at lower ground floor level with courtyard above; erection of dummy mansard to the rear of All Saints House to screen new plant; all in connection with the use of part lower ground, part ground and part ground upper floors as 29 units for short to medium stay temporary visitor accommodation (sui generis); use of part lower ground, part ground and part first floor as an event space (Sui Generis); use of part ground floor as lounge/co-working space (Class E); and provision of plant ancillary to the building at basement level. Namely, amendments to the wording of Condition 11, to broaden the function of the ground floor level space beyond its use by occupiers of the visitor accommodation in the building for working, socialising, entertaining, dining or as a co-working space, and to allow for the display or retail sale of goods, other than hot food as permitted by Class E(a) and Class E(g)(i) (offices).
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26/06124/ADFULL Refused
82 Margaret Street London W1W 8LH
Details of refuse and recycling storage pursuant to conditions 30 of planning permission dated 10 November 2025 (RN: 25/02820/FULL) [SPLIT DECISION with 26/02220/ADFULL]
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26/05054/ADFULL Decided
82 Margaret Street London W1W 8LH
Detailed planting scheme and an associated biodiversity management plan; pursuant to Condition 24 of planning permission dated 10th November 2025 (25/02820/FULL)
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26/02396/LBC Awaiting decision
82 Margaret Street London W1W 8LH
Installation of external signage and external lighting. Linked with 26/01990/ADV
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26/02220/ADFULL Decided
82 Margaret Street London W1W 8LH
Details of facing materials / new windows and rooflights, external doors, railings, detailed study of the 'laundry' with detailed drawings of proposals and plant screens / plant noise assessment / pursuant to condition 30 19 of planning permission dated 10 November 2025 (RN: 25/02820/FULL).
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26/01990/ADV Awaiting decision
82 Margaret Street London W1W 8LH
Display of one externally illuminated projecting sign measuring 0.57m x 0.57m and three plaque signs measuring 0.245m x 0.38m, 0.15m x 0.38m and 0.15m x 0.3m on the Margaret Street and Marylebone Passage elevations. (Linked with 26/02396/LBC)
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26/01972/ADLBC Decided
82 Margaret Street London W1W 8LH
Detailed drawings of the new windows and roof lights including key junctions with existing or adjoining fabric and details of open ability, new doors, including key junctions with existing or adjoining fabric, railings, including key junctions with existing or adjoining fabric,detailed study of the 'laundry' with detailed drawings of proposals, including key junctions with existing or adjoining fabric and proposed openings, conservation strategy and restoration/conservation details for the chapel including method statements and reports, in consultation with the Victorian Society, floor build ups including key junctions with existing or adjoining fabric and threshold junctions, coordinated and accurately detailed services and distribution including key junctions with existing or adjoining fabric pursuant to condition 6 (1-7) of listed building dated 10th November 2025 (RN: 25/03052/LBC)
Timeline
Dates from the published record
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15 Jul 2026
Received by Westminster
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25 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
Decision expected by 9 September 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Westminster took a median of 91 days over the applications it decided in the last year.
What happens while it is decided
This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided amendment applications in a median of 81 days. More in our guide to how long planning decisions take.
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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82 Margaret Street London W1W 8LH
89% historically approved · decision due ~10 Jun
Detailed drawings of the new windows and roof lights including key junctions with existing or adjoining fabric and details of open ability, new doors, including key junctions with existing or adjoining fabric, railings, including key junctions with existing or adjoining fabric,detailed study of the 'laundry' with detailed drawings of proposals, including key junctions with existing or adjoining fabric and proposed openings, conservation strategy and restoration/conservation details for the chapel including method statements and reports, in consultation with the Victorian Society, floor build ups including key junctions with existing or adjoining fabric and threshold junctions, coordinated and accurately detailed services and distribution including key junctions with existing or adjoining fabric pursuant to condition 6 (1-7) of listed building dated 10th November 2025 (RN: 25/03052/LBC)
Decided Loft or dormer Windows or glazing 79 docs -
82 Margaret Street London W1W 8LH
89% historically approved · decision due ~11 Dec
Details of how waste is to be stored on site; pursuant to condition 30 of planning permission 10th November 2025 (25/02820/FULL)
Awaiting decision -
82 Margaret Street London W1W 8LH
89% historically approved · decision due ~18 Dec
Details of the Validation Report pursuant to Condition 16 (Phase 4) of planning permission dated 10 November 2025 (RN: 25/02820/FULL).
Awaiting decision -
82 Margaret Street London W1W 8LH
89% historically approved · decision due ~2 Sep
Details of facing materials / new windows and rooflights, external doors, railings, detailed study of the 'laundry' with detailed drawings of proposals and plant screens / plant noise assessment / pursuant to condition 30 19 of planning permission dated 10 November 2025 (RN: 25/02820/FULL).
Decided Loft or dormer Windows or glazing 31 docs -
82 Margaret Street London W1W 8LH
89% historically approved · decision due ~22 Sep
Detailed planting scheme and an associated biodiversity management plan; pursuant to Condition 24 of planning permission dated 10th November 2025 (25/02820/FULL)
Decided -
82 Margaret Street London W1W 8LH
89% historically approved · decision due ~2 Dec
Details of compliance with Code of Construction Practice and detailed site investigations (phases 1-3) pursuant to discharge of Conditions 10 and 16 (Parts 1-3) of planning permission dated 10th November 2025 (RN: 25/02820/FULL)
Awaiting decision
Other amendment applications
In Westminster
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26/07459/NMA Awaiting decision
1 Hanover Square London W1S 1HA
Amendments to planning pemrission dated 10 October 2025 (RN: 25/01558/FULL) for the: Partial demolition, refurbishment and extension of the existing building to provide a sub-basement, basement, ground plus eight storey building; infilling and stepped rear extension; excavation of a new sub-basement level; installation of new plant equipment at basement and roof level; terraces at fourth, fifth, sixth, seventh and eighth floor levels; soft and hard landscaping; reprovision of car parking; new cycle parking facilities; and associated external works. Use of the building for retail and/or restaurant (Class E) on part ground floor and office (Class E) on all other floors. NAMELY, to allow alterations to the design of the ground floor frontages on Hanover Square and St George Street.
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26/07438/NMA Awaiting decision
29 - 31 Hill Street London W1J 5LS
Amendments to planning permission dated 1st July 2025 (RN 25/01006/FULL) for the external alterations at roof level including the creation of Level 04 roof terrace for use in association with existing office (Class E), replacement and installation of new plant and landscaping, replacement of windows, introduction of louvres, removal and replacement of rooflights, installation of new rooflight and other associated works. NAMELY, for alterations comprising of the removal of window sash boxes and weights, changes to the window mullion arrangement, the removal of two sash windows, the installation of secondary glazing, the removal of existing chamber hatch and installation of extract vent and integrated bench, the external replacement of rainwater goods and hoppers, the removal of bricks and installation of airbricks, minor demolition works, replacement of roof covering, removal of ductwork, roof plant rearrangement, the installation of a new external door to plant area, minor layout alterations and other associated works.
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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.