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64 St Marys Grove Chiswick London W4 3LW

P/2017/2650Lawful Use CertificateApproved
Outline / PiP

Approved on 11 August 2017

Council decision: Granted (Full Planning Permission Not Required)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

Certificate of Lawfulness for demolition of an existing side roof extension and erection of roof extensions to both sides of the house, with two side-facing windows at roof level.

Received
21 June 2017
Decision level
Delegated (officer decision)
Ward
Chiswick Riverside
  1. Received21 Jun
  2. Validated21 Jun
  3. Consult.
  4. Target
  5. Decided11 Aug

Decided in 51 days (council typically 56)

About this application

This is an outline application for demolition at 64 ST MARYS GROVE CHISWICK LONDON W4 3LW. Hounslow has handled 1,060 applications of this type. This one was decided in 51 days, 5 days quicker than Hounslow's typical decision time. The site is in 2 listed buildings nearby. There has been 1 other application at this address. In the past year there have been 153 applications across Chiswick Riverside. We hold 6,639 applications in total for the W4 postcode area.

82% of outline applications at London Borough of Hounslow were approved. Across all application types, the council typically decides in about 8 weeks (median).

Based on decided applications received in the last 3 years.See what's approved near your address

Application details

Postcode
W4 3LW
Application type
Lawful Use Certificate

Planning application dates

Date validated
21 June 2017

Applicant and agent

Agent address
Unit 1A Woodstock Studios 36 Woodstock Grove Shepherds Bush LONDON W12 8LE

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)Part of the site
  • Article 4 direction: Dwellinghouses (C3) to small HMOs (C4) - borough-wide Article 4 Direction

Possibly incomplete for this council: tree preservation orders.

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: Hounslow

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

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