37 Thornton Avenue, Chiswick, London, W4 1QF Data via plota.co.uk

REGISTERED P/2026/2955 - Variation / Removal of a condition all other minor
Admin / procedural
Council
Hounslow 2.1/10
Date received
19 Oct 2026
Date validated
4 Nov 2026
Postcode
W4 1QF
Type
Variation / Removal of a condition all other minor

Description

Variation of conditions 2 (approved plans) and 3 (materials) to allow changes to the side window and external materials of planning permission P/2026/0710 approved 01/05/2026 for the erection of single storey part rear and side extensions, installation of two front roof lights, replacement of rear windows, replacement of existing rear dormer with juliet balcony. Conversion from flats to one single house. Data via plota.co.uk

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Last checked

Site constraints 8

Flood zone 3, rivers and sea
High chance: a 1 in 100 or greater annual chance from rivers, or 1 in 200 from the sea. Any development here needs a flood risk assessment. Defences are not counted.
The Environment Agency flood map for planning. Homes in zone 3 must also pass the sequential test. Surface water flooding is a separate map.
Flood map ↗
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 Named permitted development rights are withdrawn here.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.
National infrastructure project: Thames Tideway Tunnel
The site is inside 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 ↗
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 ↗
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
Inside the Hounslow built-up area; Public transport access: PTAL 5 (very good), TfL 2023, for the 100 m square; Conservation area 96 m away: Bedford Park.
Not affected
Not green belt · No listed building at the site · No scheduled monument at the site

Checked on 5 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.

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Other new applications on this street

14 Aug 2026Approved

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Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2023 Approved
27 THORNTON AVENUE, CHISWICK, W4 1QE
Replacement of the house's existing front and rear windows and front roof light, two stor…
P/2023/3042
2023 Approved
FLAT GROUND FLOOR 31 MAYFIELD AVENUE, CHISWICK, LONDON, W4 1PN
Erection of a single storey side and rear wrap around extension
P/2023/0856
2022 Approved
31 MAYFIELD AVENUE, CHISWICK, W4 1PN
Conversion of two flats into one single family house.
P/2022/4016
2022 Approved
19 THORNTON AVENUE, CHISWICK, W4 1QE
Erection of single storey side, rear infill and rear extension to the house.
P/2022/2432
2022 Approved
68 - 70 TURNHAM GREEN TERRACE, CHISWICK, LONDON, W4 1QN
Advert consent for installation of fascia sign with halo illuminated lettering and non-il…
P/2022/2725
2021 Approved
20 MAYFIELD AVENUE, CHISWICK, LONDON, W4 1PW
Erection of single storey side and rear ground floor extension to the house
P/2021/4587
2021 Approved
21 MAYFIELD AVENUE, CHISWICK, LONDON, W4 1PN
Works to a tree within a conservation area - Mimosa (T1) to reduce all aspects of the cro…
P/2021/4099
2021 Approved
49 THORNTON AVENUE, CHISWICK, W4 1QF
Addition of one oriel window and aluminium sliding doors to existing rear extension.
P/2021/1998
2021 Refused
FLAT SECOND FLOOR 96 THORNTON AVENUE, CHISWICK, LONDON, W4 1QQ
Erection of railing with privacy screens around a flat roof of existing back addition to…
P/2021/1522
2021 Approved
86 THORNTON AVENUE, CHISWICK, LONDON, W4 1QQ
Erection of a single storey side extension to the ground floor flat
P/2021/0734
2021 Approved
49 THORNTON AVENUE, CHISWICK, LONDON, W4 1QF
Addition of two oriel windows to the First Floor Rear Elevation.
P/2021/0479
2021 Approved
49 THORNTON AVENUE, CHISWICK, LONDON, W4 1QF
Erection of a single storey side and rear extension to the house with roof lights.
P/2021/0481
2020 Refused
33 MAYFIELD AVENUE, CHISWICK, LONDON
Erection of rear roof extension with one front roof window to the upper floor flat
P/2020/3801
2020 Approved
70 THORNTON AVENUE, CHISWICK, W4 1QQ
Erection of a single storey part side and rear extension to the existing single family ho…
P/2020/3348
2020 Approved
17 THORNTON AVENUE, CHISWICK, W4 1QE
Erection of single storey rear extension to outrigger 4.25 metres deep, maximum height of…
PA/2020/2585
2020 Approved
17 THORNTON AVENUE, CHISWICK, LONDON, W4 1QE
Enlargement of existing basement including creation of a front light well, replacement of…
P/2020/2273
2020 Approved
27 MAYFIELD AVENUE, CHISWICK, W4 1PN
Demolition of existing rear shed, erection of a rear outbuilding with associated raised d…
P/2020/2108
2020 Approved
FLAT FIRST FLOOR 98B THORNTON AVENUE, CHISWICK, LONDON, W4 1QQ
Erection of a rear roof extension to first floor flat
P/2020/2024
2020 Withdrawn
FLAT FIRST FLOOR 98 THORNTON AVENUE, CHISWICK, W4 1QQ
Erection of a rear roof extension to first floor flat
P/2020/1860
2019 Approved
75 THORNTON AVENUE, CHISWICK, W4 1QF
Variation of condition 3 (approved plans) to allow the new rear ground floor extension wa…
P/2019/4628
2016 Approved
23 THORNTON AVENUE CHISWICK LONDON W4 1QE
Installation of External Air Conditional Units along the boundary wall in the back garden…
P/2016/1644
2016 Approved
23 THORNTON AVENUE CHISWICK LONDON W4 1QE
Details of construction method statement submitted pursuant to condition 4 of planning pe…
P/2016/2633
2016 Approved
82 TURNHAM GREEN TERRACE CHISWICK LONDON W4 1QN
Erection of a rear extension to first floor flat and a rear roof extension to the second…
P/2016/2503
2016 Approved
34 MAYFIELD AVENUE CHISWICK LONDON W4 1PW
Details of construction method statement submitted pursuant to condition 7 of planning pe…
P/2016/1393
2016 Withdrawn
86A THORNTON AVENUE CHISWICK LONDON W4 1QQ
Erection of a first and second floor rear extension with enlargement of external stairwel…
P/2016/0750
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
Source: MHCLG planning statistics · See full council rankings