Dorset House Gloucester Place London NW1 5AH

25/05163/FULLFull Planning Permission ApplicationApproved

Full

Approved on 3 October 2025

Council decision: Application PermittedDelegated (officer decision)

Approximate site (title boundary)

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.

Proposal

Installation of two replacement double-glazed windows in the ground-floor reception area. (Linked to 25/05164/LBC)

Received: 24 July 2025
Decision level: Delegated (officer decision)
Council: City of Westminster
Ward: Regent's Park

ReceivedReceived24 Jul
ValidatedValidated19 Aug
Consult.Consultation
TargetTarget Date14 Oct
DecidedDecided3 Oct

Decided in 45 days (council typically 49)

About this application

This is a full planning application for window replacement at Dorset House Gloucester Place London NW1 5AH. Westminster has handled 4,484 applications of this type. This one was decided in 71 days, 3 weeks longer than Westminster's typical decision time. The site is in the Dorset Square conservation area, with 1 listed building nearby. There have been 16 other applications at this address. In the past year there have been 124 applications across Regent's Park. We hold 3,176 applications in total for the NW1 postcode area.

86% of full applications at City of Westminster were approved. Across all application types, the council typically decides in about 7 weeks (median).

Based on decided applications received in the last 3 years.See what's approved near your address

Application details

Postcode: NW1 5AH
Application type: Full Planning Permission Application
Scale / size: Small

Planning application dates

Date validated: 19 August 2025
Target decision date: 14 October 2025

Applicant and agent

Agent: Fletcher King
Agent address: 19-20 Great Pulteney Street Soho London W1F 9NF United Kingdom

Planning decision

Statutory period: 56 days

Additional information

Planning Portal ID: PP-14185619
Comments: 0
Documents: 43

Site constraints

Checking the site

2/3

Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Conservation area: Dorset Square
Listed building: Grade II: Dorset HouseOn this site
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 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

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.

Associated applications

2025
24 Jul
Installation of two replacement double-glazed windows in the ground-floor reception area. (Linked to…
This applicationApprovedFull25/05163/FULL
2025
24 Jul
Installation of two replacement double-glazed windows in the ground-floor reception area. (Linked to…
ApprovedListed building consentPart of25/05164/LBC

Planning history at this site

15 other applications at this property, newest first.

Source: Westminster

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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