23, Grafton Street, London, W1S 4EY
Proposal
23 Grafton Street - Condition 4(B) Rooflight Details
- Received
- 17 February 2026
- Decided
- 1 April 2026
- Council
- City of Westminster
Boundary © HM Land Registry, © Ordnance Survey · details
This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.
- ReceivedSubmitted17 Feb
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided1 Apr
Decided in 43 days (council typically 49)
This is a planning application at 23, Grafton Street, London, W1S 4EY. Westminster has handled 1,650 applications of this type and approves 89% of them, typically deciding them in 33 days. This one was decided in 43 days, 10 days longer than Westminster's median. The site is in the Mayfair conservation area, with 20 listed buildings nearby. There has been 1 other application at this address. In the past year there have been 369 applications across WEW_22. We hold 773 applications in total for the W1S postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Westminster
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
Track this application
Get email alerts when there is a planning decision or status change.
Get email alerts near W1S
New planning applications delivered to your inbox weekly.
Associated applications
- 202618 Feb
23 Grafton Street - Rooflight Details
ApprovedDischarge of conditionsFiled alongside26/01033/ADFULL - 202617 Feb
23 Grafton Street - Condition 4(B) Rooflight Details
This applicationApprovedDischarge of conditions26/01025/ADLBC - 202610 Feb
Variation of Conditions 7 and 8 of planning permission dated 17 June 2025 (RN: 25/01604/FULL
ApprovedVariation of conditions (s73)Filed alongside26/00782/FULL
Planning history at this site
9 other applications at this property, newest first.
- 202610 Sep
Details of all new windows and doors; pursuant to condition 10(B) of planning permission dated 17th June 2026…
ApprovedApplication26/06193/ADFULL - 202613 Mar
Detailed drawings of All new windows and doors pursuant to part conditions 4b of listed building consent…
PendingListed building consent26/01669/ADLBC - 202613 Mar
Detailed drawings of the alterations to party walls and buttress pursuant to part conditions 10a of planning…
ApprovedDischarge of conditions26/01670/ADFULL - 202630 Jan
Phased development including retention of rear basement roof slab (previously proposed for demolition and…
PendingListed building consent26/00554/LBC - 202630 Jan
Amendments to planning permission dated 17 June 2025 (RN: 25/01604/FULL
ApprovedNon-material amendment26/00555/NMA - 202515 Dec
Details of waste storage pursuant to condition 11 of planning permission dated 17 June 2025 (RN: 25/01604/FULL
ApprovedDischarge of conditions25/09056/ADFULL - 202510 Mar
Phased development including replacement of rear basement roof slab and creation of a rear extension at…
ApprovedListed building consent25/01605/LBC - 202510 Mar
Phased development including replacement of rear basement roof slab and creation of a rear extension at…
ApprovedListed building consent25/01604/FULL - 20259 Jan
Confirmation of the lawful implementation of planning permission dated 26 April 2021 (Ref: 19/05567/FULL
ApprovedLawful development: Existing use25/00117/CLEUD
Planning constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Mayfair
- Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
- Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (21)
flood storage areas, tree preservation orders, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.
A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.
Data © Crown copyright and others · sources and licences
Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.
© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-10-09. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.
© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.
© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.
Contains Ordnance Survey data © Crown copyright and database right 2026.
Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.
What's been approved on your street?
See what the council approved and refused near this address for the project you have in mind, and the rules that apply here.