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77 Devonshire Road, Chiswick, London, W4 2HU

P/2024/2662Lawful Development Certificate (Proposed)Permitted
Outline / PiP

Proposal

Certificate of Lawfulness for the proposed erection of a second floor rear outrigger roof extension and installation of a first floor rear outrigger side window to the house.

Received
4 August 2024
Decided
7 October 2024 · GRANT
Ward
Chiswick Gunnersbury
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.

  1. Received4 Aug
  2. Validated4 Aug
  3. Consult.4 Aug
  4. Target
  5. Decided7 Oct

Decided in 64 days (council typically 56)

8 weeks typical decision time in Hounslow82% of outline applications approved

This is an outline application for an extension at 77 Devonshire Road, Chiswick, London, W4 2HU. Hounslow has handled 1,065 applications of this type and approves 85% of them, typically deciding them in 48 days. This one was decided in 64 days, 2 weeks longer than Hounslow's median. The site is in the Glebe Estate conservation area. There are no previous applications recorded at this address. In the past year there have been 249 applications across Chiswick Gunnersbury. We hold 6,560 applications in total for the W4 postcode area.

Application Details

Reference
P/2024/2662
Address
77 Devonshire Road, Chiswick, London, W4 2HU
Postcode
W4 2HU
Local Authority
Hounslow
Application Type
Lawful Development Certificate (Proposed)
Scale / Size
Small
Decision Status
Permitted
Current Status
Decided: GRANT
Ward
Chiswick Gunnersbury

Applicant & Agent

Planning Application Dates

Date Received
4 August 2024
Consultation Expiry
4 August 2024
Date Decided
7 October 2024
Date Validated
4 August 2024
Date Submitted
4 August 2024
Consultation End
4 August 2024
Application Expires
27 September 2024

Planning Decision

Decision
GRANT
Statutory Period
54 days

Publicity

Appeal

Additional Information

Documents
9
Coordinates
51.490173, -0.255206
Enriching application data
2/3
Council recordsAppealsFlood risk

Source: Hounslow

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

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Planning constraints

Designations that overlap or adjoin the site outline.

  • Flood zone 3: High probability (rivers and sea)
  • Conservation area: Glebe Estate
  • 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 (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 2026-10-09. 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.

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