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Flat First Floor 17 Castletown Road London W14 9HF

2025/03245/NMATNon-Material Amendment SubmissionApproved
Discharge / amendments

Approved on 15 December 2025

Delegated (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

Non-material amendment to the planning permission reference: 2020/03272/FUL dated 15th February 2021 for the "Erection of a rear extension at first floor level, on top of the existing two storey back addition" to regularise the as-built first floor rear extension.

Received
19 November 2025
Decision level
Delegated (officer decision)
Ward
West Kensington
Agent
Cowper Griffith Architects
  1. Received19 Nov
  2. Validated20 Nov
  3. Consult.
  4. Target18 Dec
  5. Decided15 Dec

Decided in 25 days (council typically 70)

About this application

This is an application to amend a permission at Flat First Floor 17 Castletown Road London W14 9HF. Hammersmith and Fulham has handled 131 applications of this type. This one was decided in 26 days, 6 weeks quicker 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 67 applications across West Kensington. We hold 1,829 applications in total for the W14 postcode area.

92% of amendment 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
W14 9HF
Application type
Non-Material Amendment Submission
Scale / size
Small

Planning application dates

Date validated
20 November 2025
Target decision date
18 December 2025

Applicant and agent

Agent
Cowper Griffith Architects

Planning decision

Statutory period
28 days

Additional information

Planning Portal ID
PP-14496263
Documents
5
Constraints
15

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: Barons Court

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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