Red Lion House, Chiswick Mall, Chiswick, W4 2PJ
Proposal
Details of Condition 3 (samples of all materials) submitted pursuant to permission P/2026/1485 dated 26/08/2026 for Variation of condition 2 (Approved Plans) to allow alterations to roof terrace, dormers and front boundary following planning permission P/2024/2851 approved 27/02/2025 Floor lowering to front section of the Lower Ground Floor level, alterations to the loft/roof level including dormer windows and balcony, alterations to the rear elevation, reconstruction of front boundary wall and first floor front balcony, internal alterations including replacement partitions at second floor level.
- Received
- 30 September 2026
- Council
- London Borough of Hounslow
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.
- ReceivedSubmitted30 Sep
- ValidatedValidated30 Sep
- Consult.Consultation
- TargetTarget Date
- DecidedDecided
This is a planning application for a dormer extension at Red Lion House,Chiswick Mall,Chiswick,W4 2PJ. Hounslow has handled 72 applications of this type and approves 78% of them, typically deciding them in 53 days. It was submitted on 30 September 2026 and is still awaiting a decision. The site is in the Old Chiswick conservation area, with 9 listed buildings nearby. There are no previous applications recorded at this address. We hold 6,560 applications in total for the W4 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Hounslow
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Associated applications
- 202630 Sep
Details of Condition 3 (samples of all materials) submitted pursuant to permission P/2026/1485
This applicationPendingVariation of conditions (s73)P/2026/2757 - 202618 May
Variation of condition 2 (Approved Plans) to allow alterations to roof terrace, dormers and front boundary…
ApprovedVariation of conditions (s73)Part ofP/2026/1485 - 202618 May
Listed building permission for Internal alterations including the removal and erection of partitions across…
ApprovedListed building consentFiled alongsideP/2026/1486
Planning history at this site
6 other applications at this property, newest first.
- 20266 Jul
Listed Building Consent for the retention and repairs to the existing doors and sash windows with thermal…
ApprovedListed building consentP/2026/2007 - 20266 Jul
Retention and repairs to the existing doors and sash windows with thermal upgrades to the house.
ApprovedHouseholderP/2026/1987 - 202517 Apr
Details of condition 6 Energy Statement submitted pursuant to planning permission P/2024/2851
ApprovedDischarge of conditionsP/2025/1252 - 202525 Mar
Demolition of a winter garden, amendments to an existing rear outbuilding, erection of a single-storey rear…
ApprovedListed building consentP/2025/0919 - 202524 Mar
Demolition of a winter garden, amendments to an existing rear outbuilding, erection of a single-storey rear…
ApprovedListed building consentP/2025/1013 - 202528 Feb
Details of the Written Scheme of Investigation for the Archaeological Watching Brief submitted pursuant to…
ApprovedDischarge of conditionsP/2025/0629
Planning constraints
Designations that overlap or adjoin the site outline.
- Flood zone 3: High probability (rivers and sea)Part of the site
- Conservation area: Old Chiswick
- 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 (20)
flood storage areas, 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.
Before the decision
You may need a flood risk assessment. Drainage & flood risk consultants near this site
The site is in flood zone 3 (Environment Agency).
- 3.1 miRichmondRTPI
- 4.7 miLONDONRTPI
- 5.0 miTwickenham
Nearest first, within 25 miles of the site. Every firm is listed free.
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