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4 Walham Grove London SW6 1QP

2025/00747/FULFull Detailed Planning ApplicationRefused
Full

Refused on 14 November 2025

Council decision: Application RefusedDelegated (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

Erection of a rear dormer roof extension; erection of a side infill extension on top of the existing back addition, and installation of a rooflight on top of the flat roof at first floor level; installation of 2no. rooflights in the side roofslope; excavation of the front garden, in connection with the creation of a new basement with habitable room (connected with the main dwellinghouse); erection of a new external staircase following the removal of existing, to the front elevation from ground to basement floor level; alterations to fenestration to the external rear facade; alterations to the existing single storey rear extension to include, erection of balustrade, and formation of a new flat roof with new rooflights on top following the removal of existing, and installation of new sliding doors to the rear elevation following the removal of existing French door and windows; associated works.

Received
15 March 2025
Decision level
Delegated (officer decision)
Ward
Lillie
Agent
Resi Design Ltd
  1. Received15 Mar
  2. Validated27 Mar
  3. Consult.30 Apr
  4. Target22 May
  5. Decided14 Nov

Decided in 232 days (council typically 70)

About this application

This is a full planning application for a single storey rear extension at 4 Walham Grove London SW6 1QP. Hammersmith and Fulham has handled 1,062 applications of this type. This one was decided in 244 days, 25 weeks longer than Hammersmith and Fulham's typical decision time. The site is in a conservation area, with 1 listed building nearby. There are no previous applications recorded at this address. We hold 2,310 applications in total for the SW6 postcode area.

97% of full applications at London Borough of Hammersmith and Fulham were approved. Across all application types, the council typically decides in about 10 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
SW6 1QP
Application type
Full Detailed Planning Application
Scale / size
Small

Planning application dates

Date validated
27 March 2025
Last date for comments
30 April 2025
Target decision date
22 May 2025

Applicant and agent

Agent
Resi Design Ltd

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-13858074
Documents
20
Constraints
14

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 3: High probability (rivers and sea)
  • Conservation area: Walham Grove

Not published by this council, so not checked: Article 4 directions and tree preservation orders. Ask the council if these matter.

Also checked, none recorded (21)

flood storage areas, listed buildings, 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: Hammersmith and Fulham

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

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