Planning application
1 Chiltern Street London W1U 7PA
Works: Extension Demolition Windows or glazing
Decided. The decision notice on the council portal carries the outcome in full, including any conditions.
Proposal
Amendments to planning permission dated 28th February 2025 (RN: 23/02315/FULL) for, "Use of the fire station as a 26 bed hotel (Class C1). Demolition of part of the existing building at the rear, including demolition of enclosures in the ground floor and basement courtyards and demolition of the steel practice tower. Erection of a part three and five-storey wing to main building. Excavation of courtyard to create basement level accommodation, including plant room. Rear extensions to main building. External and internal alterations"; Namely, infill of existing arrow slit window in north gable, new dishwasher extract/louvres onto Broadstone Place, new internal floorplans to reflect enlarged doorways and escape routes and the reversing of a doorway onto Chiltern Street for service access, amendments to description of development to state up to 26 bedrooms and alterations to basement layout and use to include relocation of ground floor function room.
As published by the council, reference 26/05305/NMA
Application record
- Reference
- 26/05305/NMA
- Category
- Amendments
- Status
- Decided
- Received
- 5 Aug 2026
- Validated
- 12 Aug 2026
- Postcode
- W1U 7PA
Site history
Applications at this address on the Westminster register
This site has had 9 applications since 2025: 1 approved, 0 refused.
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26/07114/LBC Awaiting decision
1 Chiltern Street London W1U 7PA
Minor internal alterations
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26/05544/FULL Awaiting decision
1 Chiltern Street London W1U 7PA
Replacement of rooftop plant and associated screening, switched kitchen extract/supplies, new access hatch to roof and installation of a pressurised stair system. (Linked with 26/05545/LBC)
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26/05545/LBC Awaiting decision
1 Chiltern Street London W1U 7PA
Replacement of rooftop plant and associated screening, switched kitchen extract/supplies, new access hatch to roof (maintenance use) and installation of a pressurised stair system. (Linked with 26/05544/FULL)
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26/05485/LBC Decided
1 Chiltern Street London W1U 7PA
Infill of arrow slit window in north gable; conversion of existing fanlight to louvres; modifications to doors; internal alterations to amalgamate bedrooms 17 & 18 and to relocate function room to north-east corner of basement.
-
26/05300/LBC Decided
1 Chiltern Street London W1U 7PA
Minor internal structural repairs to cracked walls at First Floor (Level 1) and Second Floor (Level 2).
-
26/03972/LBC Decided
1 Chiltern Street London W1U 7PA
Alterations to steelwork at fourth floor level.
-
26/01760/LBC Awaiting decision
1 Chiltern Street London W1U 7PA
Removal of areas of fire and water damaged plasterwork internally. Temporary removal of laths at third floor level.
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25/05136/LBC Granted
1 Chiltern Street London W1U 7PA
Reinstatement of roof structure, roof finishes and plant following fire on 14.02.25
Timeline
Dates from the published record
-
5 Aug 2026
Received by Westminster
-
12 Aug 2026
Validated
Checked as complete and ready for consideration.
-
14 Aug 2026
Added to PlanIndex
-
16 Sep 2026
Status changed to Decided
Previously Pending.
Related applications
Cases linked to this one on the register
1 later application on the register refers to this one:
-
26/05485/LBC Decided
1 Chiltern Street London W1U 7PA
Infill of arrow slit window in north gable; conversion of existing fanlight to louvres; modifications to doors; internal alterations to amalgamate bedrooms 17 & 18 and to relocate function room to north-east corner of basement.
After the decision
Westminster has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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
-
1 Chiltern Street London W1U 7PA
88% historically approved · decision due ~9 Oct
Replacement of rooftop plant and associated screening, switched kitchen extract/supplies, new access hatch to roof and installation of a pressurised stair system. (Linked with 26/05545/LBC)
Awaiting decision Full applications -
1 Chiltern Street London W1U 7PA
90% historically approved · decision due ~9 Oct
Replacement of rooftop plant and associated screening, switched kitchen extract/supplies, new access hatch to roof (maintenance use) and installation of a pressurised stair system. (Linked with 26/05544/FULL)
Awaiting decision Heritage and listed buildings -
1 Chiltern Street London W1U 7PA
90% historically approved · decision due ~7 Oct
Infill of arrow slit window in north gable; conversion of existing fanlight to louvres; modifications to doors; internal alterations to amalgamate bedrooms 17 & 18 and to relocate function room to north-east corner of basement.
Decided Heritage and listed buildings Extension Windows or glazing -
1 Chiltern Street London W1U 7PA
90% historically approved · decision due ~11 Dec
Minor internal alterations
Awaiting decision Heritage and listed buildings -
1 Chiltern Street London W1U 7PA
90% historically approved · decision due ~11 Aug
Alterations to steelwork at fourth floor level.
Decided Heritage and listed buildings -
1 Chiltern Street London W1U 7PA
90% historically approved · decision due ~6 Oct
Minor internal structural repairs to cracked walls at First Floor (Level 1) and Second Floor (Level 2).
Decided Heritage and listed buildings
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.
-
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.