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Flat 15 North Court Great Peter Street London SW1P 3LL

26/01675/FULLFull Planning Permission ApplicationApproved
Full

Approved on 9 June 2026

Site boundary (council red line)

Proposal

Alterations to the existing sixth floor extension including extending the footprint of the sixth floor extension, erection of new walls to the south and west elevations at sixth floor level and the installation of new rooflights. Alterations to the design of the southern elevation at sixth floor level.

Received
16 March 2026
Ward
St James's
  1. Received16 Mar
  2. Validated26 Mar
  3. Consult.
  4. Target21 May
  5. Decided9 Jun

Decided in 75 days (council typically 49)

About this application

This is a full planning application for an extension at Flat 15 North Court Great Peter Street London SW1P 3LL. Westminster has handled 4,484 applications of this type. This one was decided in 85 days, 5 weeks longer than Westminster's typical decision time. The site is in the Smith Square conservation area, with 20 listed buildings nearby. There have been 2 other applications at this address. In the past year there have been 478 applications across St James's. We hold 1,247 applications in total for the SW1P 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
SW1P 3LL
Application type
Full Planning Permission Application
Scale / size
Small

Planning application dates

Date validated
26 March 2026
Target decision date
21 May 2026

Applicant and agent

Agent address
20-22 Wenlock Road London N1 9GU

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-14776529
Comments
0
Documents
22

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

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.

© 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.

Source: Westminster

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

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