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12 Bryanston Square London W1H 2DQ

24/05320/FULLFull Planning Permission ApplicationAwaiting decision
Full
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

Subdivision of the existing single Apartment, 12 Bryanston Square, to two, 3-bedroom dwellings. (Linked with 24/05321/LBC)

Received
3 August 2024
Decision due
28 September 2024
Ward
Marylebone
Agent
Mark Jackson Planning
  1. Received3 Aug
  2. Validated3 Aug
  3. Consult.
  4. Target28 Sep
  5. Decided

Have your say

Comment on the council's siteDocuments (19)

About this application

This is a full planning application at 12 Bryanston Square London W1H 2DQ. Westminster has handled 4,484 applications of this type. It has been with the council since 3 August 2024 and is still awaiting a decision. The site is in the Portman Estate conservation area, with 16 listed buildings nearby. There has been 1 other application at this address. In the past year there have been 171 applications across Marylebone. We hold 896 applications in total for the W1H 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.Planning something similar? See what gets approved on your street

Application details

Postcode
W1H 2DQ
Application type
Full Planning Permission Application
Scale / size
Small

Planning application dates

Date validated
3 August 2024

Applicant and agent

Agent
Mark Jackson Planning
Agent address
Gateway House 19 Great Notley Avenue Great Notley Garden Village Braintree Essex CM777UW United Kingdom

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-13302927
Comments
0
Documents
19

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Portman Estate
  • Listed building: Grade II: 46, Montagu Square W1On or next to this site · +2 more
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • 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.

© 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.

Associated applications

  1. 2024
    3 Aug

    Subdivision of the existing single Apartment, 12 Bryanston Square, to two, 3-bedroom dwellings. (Linked with…

    This applicationPendingFull24/05320/FULL
  2. 2024
    3 Aug

    Subdivision of the existing single Apartment, 12 Bryanston Square, to two, 3-bedroom dwellings. (Linked with…

    PendingListed building consentPart of24/05321/LBC

Source: Westminster

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

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For applicants and trades

Before the decision

You may need a heritage statement. Heritage & archaeology consultants near this site

A listed building is on or next to this site.

Consultants on this application

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Nearest first, within 25 miles of the site. Every firm is listed free.

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