6 Chiswick Square, Chiswick, London, W4 2QG Data via plota.co.uk

P/2025/2541 - Householder Applications Approved

Proposal

Erection of a two storey side extension and single storey side infill extension to southern elevation, part first floor extension to northern elevation, creation of a courtyard with gate, relocation of a door and window on the west elevation, repositioning and addition of windows on the ground floor northern elevation, provision of rooflights to the east facing roofs and associated internal alterations following the demolition of the existing conservatory. Listed building Consent P/2025/2590. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
18 Aug 2025
✓
Approved
17 Dec 2025

Approved on 17 Dec 2025 · Last checked 17 Oct 2026

Documents 20

All documents on the council site ↗

Associated applications 2

Site constraints 13

Grade II listed: 3-6, Chiswick Square including railings and paving stones in garden
List entry 1189355 · 19 m away · 30 more listed buildings within 150 m (2 Grade II*, 27 Grade II)
Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show the other 30 with distances
Historic England ↗
Old Chiswick conservation area
Also Old Chiswick. Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Article 4 direction
Dwellinghouses (C3) to small HMOs (C4) - borough-wide Article 4 Direction. Named permitted development rights are withdrawn here.
An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.
In flood zones plus climate change
Inside the extent flood zones 2 and 3 could reach with climate change: the Central allowance for the 2080s on rivers, the Upper End allowance for sea level rise to 2125. From the sea. Defences are not counted.
The Environment Agency flood map for planning. Councils use it to decide when a flood risk assessment and the sequential test are needed. It is indicative and does not show whether a particular property will flood.
Flood map ↗
Archaeological priority area: A riverside village with Saxon origins.
An assessment or field evaluation may be asked for before ground works.
The council or Historic England considers archaeology likely here. A desk-based assessment, and sometimes trial trenching, can be asked for with the application.
Air quality management area: Hounslow AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
National infrastructure project 87 m away: Thames Tideway Tunnel
The site is 87 m from the project boundary. Waste water treatment, decided. The project page says whether consent was granted.
Nationally significant infrastructure projects (power stations, electricity lines, pipelines, major roads and railways, harbours, airports and reservoirs) are consented by a Secretary of State under the Planning Act 2008, after an examination by the Planning Inspectorate, rather than by the council. The boundary is the one the Inspectorate consults on and can change as the scheme does. Projects are shown within 2 km of the site.
Planning Inspectorate project page ↗
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Also on the record
Local nature reserve 336 m away: Chiswick Eyot; Registered park or garden 240 m away: Chiswick House; Inside the Hounslow built-up area; Public transport access: PTAL 1b (very poor), TfL 2023, for the 100 m square; Designated open space 42 m away.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 1 November 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

Sales history 2

Last sold for £900,000 in September 2017. Semi-detached house, freehold.

11 September 2017£900,000
11 August 1999£425,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area145 m² (1,561 sq ft)
Energy ratingD (55 out of 100), could reach C
PropertySemi-detached house, 5 habitable rooms
Built1900 to 1929
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in May 2017, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Hounslow
Application type
Householder Applications
Postcode
W4 2QG
Received
18 Aug 2025
Validated
18 Aug 2025
Ward
Chiswick Homefields
Case officer
Show
Decision
APPROVED
Decision date
17 Dec 2025
Applicant
Show

How this decision compares

Decided in 121 days from validation, 65 days slower than Hounslow's median of 56 for householder applications. Approved, as 81% of householder applications here are.

62%decided within 8 weeks
81%approved
724decided in the last year

Plota live figures for householder applications decided by Hounslow in the last twelve months, from validation. Hounslow decision record →

Consultation & key dates

Consultation
22 Aug 2025
Comments by
24 Sept 2025
Site or press notice
3 Sept 2025
Statutory expiry
13 Oct 2025
Hounslow
Planning Authority Score
2.1/10
Poor
#268 of 296 councils
Relevant to this application:
Householder decisions

Hounslow is slower than most councils at deciding householder applications, ranking #203 out of 296. 47% of applications have the time limit extended, above the 41% national average. Hounslow is also one of the strictest councils - it refuses more householder applications than almost any other, with only 75% approved vs 90% nationally.

One of the strictest councils
only 75% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Hounslow decision statistics
Based on MHCLG data, the year to March 2026
71%
Overall approval rate
Below avg (87%) #294 of 296
75%
Householder approved
Below avg (90%) #293 of 296
56%
Decided in 8 weeks
Below avg (63%) #203 of 296
47%
Extended time limit
Above avg (41%) #208 of 296
38%
Minor dwellings approved
82 decided (1-9 homes)
93%
Major dwellings approved
14 decided (10+ homes)
29%
Change of use approved
72 decided
1,191
Total decisions
340 refused in the year to March 2026

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.