Skip to content

38 Park Road, Chiswick, London, W4 3HH

P/2026/0736Lawful Development Certificate (Proposed)Refused
Outline / PiP

Proposal

Certificate of lawfulness for the proposed erection of a detached single storey outbuilding

Received
4 March 2026
Decided
19 May 2026 · LAWFNOTGRANT
Ward
Chiswick Riverside
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 Mar
  2. Validated23 Mar
  3. Consult.23 Mar
  4. Target
  5. Decided19 May

Decided in 57 days (council typically 56)

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

This is an outline application for an outbuilding at 38 Park Road, Chiswick, London, W4 3HH. 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 76 days, 4 weeks longer than Hounslow's median. The site is in the Chiswick House conservation area. There are no previous applications recorded at this address. In the past year there have been 161 applications across Chiswick Riverside. We hold 6,560 applications in total for the W4 postcode area.

Application Details

Reference
P/2026/0736
Address
38 Park Road, Chiswick, London, W4 3HH
Postcode
W4 3HH
Local Authority
Hounslow
Application Type
Lawful Development Certificate (Proposed)
Scale / Size
Small
Decision Status
Rejected
Current Status
Decided: LAWFNOTGRANT
Ward
Chiswick Riverside

Applicant & Agent

Planning Application Dates

Date Received
4 March 2026
Consultation Expiry
23 March 2026
Date Decided
19 May 2026
Date Validated
23 March 2026
Date Submitted
4 March 2026
Consultation End
23 March 2026
Application Expires
18 May 2026

Planning Decision

Decision
LAWFNOTGRANT
Statutory Period
56 days

Publicity

Appeal

Additional Information

Documents
9
Coordinates
51.486362, -0.263273
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.

Track this application

Get email alerts when there is a planning decision or status change.

Get email alerts near W4

New planning applications delivered to your inbox weekly.

Planning constraints

Designations that overlap or adjoin the site outline.

  • Flood zone 3: High probability (rivers and sea)
  • Conservation area: Chiswick House
  • 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.

What's been approved on your street?

See what the council approved and refused near this address for the project you have in mind, and the rules that apply here.

Get The Signal Report