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 8 applications since 2026: 1 approved, 0 refused.
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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)
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26/00758/FULL Awaiting decision
82 Margaret Street London W1W 8LH
Variation of Conditions 27 and 33 of planning permission dated 10 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 to create an additional unit of short to medium stay temporary visitor accommodation at lower ground floor level.
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26/00146/NMA Granted
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, to revise the description of development to; '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 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' and to add a condition to ensure that the development provides 29 units for short to medium stay temporary visitor accommodation (sui generis).
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 66 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 54 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 ~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
90% historically approved · decision due ~8 Jun
Installation of external signage and external lighting. Linked with 26/01990/ADV
Awaiting decision Heritage and listed buildings 18 docs -
82 Margaret Street London W1W 8LH
87% historically approved · decision due ~6 Apr
Variation of Conditions 27 and 33 of planning permission dated 10 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 to create an additional unit of short to medium stay temporary visitor accommodation at lower ground floor level.
Awaiting decision Full applications Extension Loft or dormer 13 docsMajor scheme -
82 Margaret Street London W1W 8LH
84% historically approved · decision due ~8 Jun
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)
Awaiting decision Advertising 11 docs
Other amendment applications
In Westminster
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26/06232/NMA Awaiting decision
37 Trevor Place London SW7 1LE
Amendments to planning permission dated 17th July 2026 (RN 26/03030/FULL) for the Alterations including enlargement of louvres and installation of new plant in basement; landscaping of roof terrace; second floor windows replaced with door sets; partial demolition at ground and first floor levels to create new lightwell and landscaped courtyard. NAMELY, addition of a free-standing sauna to the second-floor roof terrace.
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26/06256/NMA Awaiting decision
Queens Court Queensway London W2 4QN
Amendments to planning permission dated 21st May 2026 (RN:25/05013/FULL) for Variation of conditions 1, 3, 8, 9 and 17 of planning permission dated 11th May 2022 (RN 18/09765/FULL) for the Change of use of rear part of Queensway Market to Retail, Financial and Professional services, Office and Restaurant (within Class E) use and 5 residential units facing Princes Court, reconfiguration of retail units along Queensway including introduction of Retail uses at Nos.23 and 33 (current entrances to Queensway Market) and use of Nos.25 and 41-43 Queensway as Restaurant uses, installation of new shopfronts to Nos.23 to 43 Queensway 23-43, erection of infill extension to rear at ground floor level, erection of two new pavilion structures for Retail use and associated new hard and soft landscaping on land between Queens Court and Princes Court, installation of green roofs, rooflights and mechanical plant within enclosures to first floor level roofs between projecting rear wings of Queens Court installation of kitchen extract ducts to rear elevations, and associated cycle parking, waste storage, plant and other ancillary alterations ('Application 2'). Namely, to vary the hours of operation for the refrigeration plant controlled by condition 6.
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26/06251/NMA Awaiting decision
19 Cumberland Street London SW1V 4LS
Amendments to planning permission dated 20th March 2026 (RN:25/08960/FULL) for Lower ground floor rear infill extension with terrace above, replacement of rear first floor conservatory, new roof level rear single dormer with access to third floor roof terrace, alterations to windows and external refurbishment, namely the change of conservatory gable roof to a flat GRP roof.
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26/06201/NMA Awaiting decision
Almack House 28 King Street St James's London SW1Y 6QW
Amendments to planning permission dated 16th April 2026 (RN:26/01487/FULL) for Installation of a mechanical plant at lower ground floor and installation of two grilles to two lower ground floor windows, namely change to approved grille.
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26/06212/NMA Awaiting decision
10 - 11 Lancaster Gate London W2 3LH
Amendment to Condition 12 (Whole Life Carbon) of planning permission dated 19th April 2024 (RN 23/04044/FULL) for Change of use from hotel to residential use (Class C3) with associated internal alterations to create 11 new units and external alterations comprising reconfiguration and recladding of the rear extension and restoration of the existing building. Namely to include additional requirement to evidence and justify where benchmarks cannot be achieved, consider mitigation measures and if none, evidence that all mitigation measures have been exhausted. (Linked with RN 26/06213/ADFULL)