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First Floor And Second Floor Maisonette 11 - 12 Lowndes Square London SW1X 9HB

24/07798/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

Alterations to first and second floors including first floor rear extension to closet wing, replacement of second floor conservatory with new solid extension with flat roof, replacement windows, and internal alterations (First Floor And Second Floor Maisonette). (Linked with 24/07799/LBC)

Received
8 November 2024
Decision due
3 January 2025
Public comments
1
Ward
Knightsbridge & Belgravia
Agent
Jones Lambell Ellis Studio
  1. Received8 Nov
  2. Validated8 Nov
  3. Consult.
  4. Target3 Jan
  5. Decided

Have your say

Comment on the council's siteDocuments (18)

About this application

This is a full planning application for a rear extension at First Floor And Second Floor Maisonette 11 - 12 Lowndes Square London SW1X 9HB. Westminster has handled 4,484 applications of this type. It has been with the council since 8 November 2024 and is still awaiting a decision. The site is in 1 listed building nearby. There has been 1 other application at this address. In the past year there have been 383 applications across Knightsbridge & Belgravia. We hold 1,285 applications in total for the SW1X 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
SW1X 9HB
Application type
Full Planning Permission Application
Scale / size
Small

Planning application dates

Date validated
8 November 2024

Applicant and agent

Agent
Jones Lambell Ellis Studio
Agent address
Studio 2, One Eastfields Avenue Riverside Quarter Wandsworth London SW18 1FQ United Kingdom

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-13497229
Documents
18

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Also checked, none recorded (22)

flood storage areas, conservation 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
    8 Nov

    Alterations to first and second floors including first floor rear extension to closet wing, replacement of…

    This applicationPendingFull24/07798/FULL
  2. 2024
    8 Nov

    Alterations to first and second floors including first floor rear extension to closet wing, replacement of…

    PendingListed building consentPart of24/07799/LBC

Source: Westminster

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

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Before the decision

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