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 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).
As published by the council, reference 26/06501/NMA
Application record
- Reference
- 26/06501/NMA
- Category
- Amendments
- Status
- Pending
- Received
- 22 Sep 2026
- Validated
- 22 Sep 2026
- Postcode
- W1W 8LH
Site history
Applications at this address on the Westminster register
This site has had 10 applications since 2026: 1 approved, 0 refused.
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26/06124/ADFULL Decided
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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26/04725/NMA Awaiting decision
82 Margaret Street London W1W 8LH
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).
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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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22 Sep 2026
Received by Westminster
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29 Sep 2026
Added to PlanIndex
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Decision
Awaiting decision
Decision expected by 17 November 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 73 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 82 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
93% historically approved · decision due ~9 Sep
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).
Awaiting decision Amendments Extension Loft or dormerMajor scheme -
82 Margaret Street London W1W 8LH
89% historically approved · decision due ~3 Nov
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]
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
Other amendment applications
In Westminster
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26/06620/NMA Awaiting decision
6 Eccleston Street London SW1W 9LS
Amendments to planning permission dated 23 March 2026 (RN: 25/06468/FULL) for: Use of the premises as a mixed use comprising public house at lower ground and ground, restaurant at first, and 10 hotel rooms at second and third floor levels (sui generis); installation of plant and machinery, refurbishment of external elevations and overhaul of roof; provision of new door to Eccleston Place, alterations to the shop front and service hatch in pavement on Eccleston Street namely alterations to the plant and machinery that was originally specified in the application.
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26/06573/NMA Awaiting decision
Paddington Green Police Station 4 Harrow Road London W2 1XJ
Amendments to planning permission dated 30th April 2025 (RN 24/06376/FULL) for the Variation of condition 1, 2, 4, 21, 24, 25, 62 and 63 of planning permission dated 25th May 2023 (RN:21/02193/FULL) for the Demolition of the existing building and redevelopment of the site to provide three buildings of 39, 24 and 17 storeys in height, providing residential units (including affordable units)(Class C3), commercial uses (Class E), a community use (Class F.2), landscaping, tree and other planting, public realm improvements throughout the site including new pedestrian and cycle links, provision of public art and play space, basement level excavation to provide associated plant, servicing, disabled car parking and cycle parking and connection through to the basement of the neighbouring West End Gate development. NAMELY, to submit addendum to energy strategy to remove resilience connection to WEG
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26/06553/NMA Awaiting decision
25 Great Pulteney Street London W1F 9LT
Amendments to planning permission dated 28th May 2026 (RN 26/02218/FULL) for the Alterations to front façade, including replacement of existing entrance doors and installation of new signage. NAMELY, to revise the configuration of the approved entrance door and fixed glazed panel, swapping their positions so that the entrance door is located on the left-hand side and the fixed glazed panel on the right.
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26/06580/NMA Awaiting decision
New Zealand House 80 Haymarket London SW1Y 4TE
Amendments to planning permission dated 8th April 2024 (RN:23/00571/FULL) for Variation of Conditions 1, 9, 24, 25 and 27 of planning permission dated 12th February 2021 (RN 19/07815/FULL) for the Internal and external alterations to New Zealand House and the surrounding public realm including installation of bollards in the public highway, removal of existing sports bar (Class A4) and relocation of basement car parking entrance and loading bay in connection with the refurbishment and upgrade of the building to provide office accommodation (Class B1) which may be used by commercial tenants and as accommodation for diplomatic and governmental agencies; with flexible retail or restaurant (Class A1 or A3) at part ground floor, flexible Class B1 or A3 or A4 use (office or restaurant or bar) at third floor and a diplomatic residence at the 17th floor and official function facilities at the 18th floor (sui generis); associated works to the Royal Opera Arcade including external and internal refurbishment and improvement works and change of use of basement and mezzanine areas of some retail units on the east side of the Arcade from Class A1 (shop) to Class B1 (office), and change of use of the retail unit(s) on the east side corner of the Royal Opera Arcade and Pall Mall from Class A1 (shop) to flexible Class A1 or A4 use (shop or bar) and other associated works. Namely, to adjust the timeframe for completing the public realm works in condition 23.
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26/06544/NMA Awaiting decision
Development Site At Former Whiteleys Centre Queensway London W2 4YN
Amendments to planning permission dated 17th December 2019 (RN:19/02449/FULL) for Variation of Condition 1 of planning permission dated 19 November 2018 (RN: 18/04595/FULL), which itself varied Conditions 1, 15 and 16 and removal of Condition 49 of planning permission dated 1 November 2017 (RN: 16/12203/FULL), which varied Condition 1 and removed Condition 10 of planning permission dated 27 April 2016 (RN: 15/10072/FULL) for: Demolition of and redevelopment of building behind retained and refurbished facades to Queensway and Porchester Gardens facades to provide a mixed use development comprising three basement levels, ground floor and up to 10 upper floor levels, containing residential units (Class C3), retail floorspace (Class A1 and A3) facing Queensway and arranged around a new retail arcade below re-provided central atrium and central retail courtyard, public car park, hotel (Class C1), cinema (Class D2) gym (Class D2), crèche (Class D1), with associated landscaping and public realm improvements, provision of basement residential parking spaces, cycle parking and associated basement level plant and servicing provision. Namely, introduction of greater flexibility to the use of unit R16 (located on the western side of the retail courtyard) to support a Class E (part a, b, d, f)/Sui Generis (dog grooming and pet shop) use.