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Flat Second Floor, 25 Percy Road, London, W12 9PX

2025/03066/FULFull Planning ApplicationApproved
Full

Approved on 21 July 2026

Council decision: APPLICATION APPROVED

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 roof extension, involving an increase in the ridge height by 300mm; the erection of a rear extension at third floor level, over part of the existing back addition; the erection of a 1.7-metre-high obscured glazed screen around part of the flat roof of the existing back addition at second floor level, in connection with the creation of a roof terrace and the replacement of existing window with French doors to the rear elevation of the existing back addition at second floor level, to provide access to the proposed roof terrace.

Received
3 November 2025
Ward
Coningham
  1. Received3 Nov
  2. Validated6 Nov
  3. Consult.4 Dec
  4. Target
  5. Decided21 Jul

Decided in 257 days (council typically 70)

About this application

This is a full planning application for a rear extension at Flat Second Floor, 25 Percy Road, London, W12 9PX. Hammersmith and Fulham has handled 1,062 applications of this type. This one was decided in 260 days, 27 weeks longer than Hammersmith and Fulham's typical decision time. The site is in a conservation area. There are no previous applications recorded at this address. In the past year there have been 112 applications across Coningham. We hold 1,354 applications in total for the W12 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
W12 9PX
Application type
Full Planning Application
Scale / size
Small

Planning application dates

Date validated
6 November 2025
Consultation expiry
4 December 2025
Consultation start
6 November 2025
Consultation end
4 December 2025
Neighbour consultation start
6 November 2025

Additional information

Documents
17

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)

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 (22)

flood storage areas, conservation 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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