1A Heston Road, Hounslow, TW5 0QH Data via plota.co.uk

P/2026/2315 - PF-Full Applications REGISTERED: Under Assessment
Extensions & alterationsNew homes

Proposal

Erection of a roof extension to allow the conversion of the existing first floor self contained flat to two self contained flats. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
10 Aug 2026
✓
Validated
8 Sept 2026
Decision
Expected by 3 Nov 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 1 Nov 2026, from Hounslow's recent extensions.

The consultation period closed on 1 Oct 2026.

Documents 15

Statements & assessments 2

PDF P-Published Energy Statement P-Published Energy Statement · 10 Sept 2026 View ↗ PDF London Plan Policy D12 A Reasonable Exception Statement.pdf P-Published Fire Safety · 10 Aug 2026 View ↗

Plans & drawings 10

PDF A1542_(SK)000_Site Location Plan.pdf P-Location Plan · 10 Aug 2026 View ↗ PDF A1542_(SK)001_Existing Site Plan.pdf P-Existing Site · 10 Aug 2026 View ↗ PDF A1542_(SK)002_Existing Ground Floor Plan.pdf P-Proposed Other · 10 Aug 2026 View ↗ PDF A1542_(SK)003_Existing First Floor Plan.pdf P-Proposed Other · 10 Aug 2026 View ↗ PDF A1542_(SK)005_Existing Elevations.pdf P-Proposed Other · 10 Aug 2026 View ↗ PDF A1542_(SK)011_Proposed Site Plan.pdf P-Proposed Other · 10 Aug 2026 View ↗ PDF A1542_(SK)12_Proposed Ground Floor Plan.pdf P-Proposed Other · 10 Aug 2026 View ↗ PDF A1542_(SK)013_Proposed First Floor Plan.pdf P-Proposed Other · 10 Aug 2026 View ↗ PDF A1542_(SK)014_Proposed Second Floor Plan.pdf P-Proposed Other · 10 Aug 2026 View ↗ PDF A1542_(SK)015_Proposed Elevations.pdf P-Proposed Other · 10 Aug 2026 View ↗

Application forms 1

PDF ApplicationFormRedacted.pdf P-Planning Application Form · 10 Aug 2026 View ↗

Other documents 2

PDF Covering letter P-Supporting Information · 13 Aug 2026 View ↗ PDF A1542_(SK)020_Proposed Accommodation Schedule.pdf P-Proposed Other · 10 Aug 2026 View ↗

All documents on the council site ↗

Site constraints 5

2 Article 4 directions
Change of use or development that would result in new dwellings (Class MA/ZA) · 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 Named permitted development rights are withdrawn here.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.
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 ↗
Also on the record
National infrastructure project 1491 m away: M4 Junctions 3 to 12 Smart Motorway; Inside the Hounslow built-up area; Public transport access: PTAL 3 (moderate), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 6 October 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.

Building

Floor area58 m² (624 sq ft)
Energy ratingD (62 out of 100), could reach C
PropertyFlat, 6 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in June 2026, 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
PF-Full Applications
Postcode
TW5 0QH
Received
10 Aug 2026
Validated
8 Sept 2026
Ward
Heston East
Case officer
Show
Applicant
Show

Decision outlook

Day 31 of the 56-day target. Hounslow usually decides extensions by day 54.

Day 3125 days to the 56-day target
78%decided within 8 weeks
81%approved
920decided in the last year

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

Consultation & key dates

Consultation
10 Sept 2026
Comments by
1 Oct 2026
Statutory expiry
3 Nov 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2024 Approved
30 Lime Tree Road, Hounslow, TW5 0TD
Lawful Development Certificate for a proposed hip to gable conversion and erection of rea…
P/2024/3269
2024 Refused
3 Heston Road,Hounslow,TW5 0QH
Retrospective planning application for a single storey rear extension to the house.
P/2024/2835
2023 Approved
10 LIME TREE ROAD, HOUNSLOW, TW5 0TD
Ground floor rear extension 6.00 metres deep, maximum height 3.00 metres, 2.80 metres hig…
PA/2023/1568
2023 Refused
GARAGES TO THE REAR OF 2-6 LIME TREE ROAD, HOUNSLOW, TW5 0TD
Conversion of garages to offices
P/2023/0225
2022 Withdrawn
45A HESTON ROAD, HOUNSLOW, TW5 0QH
Erection of a hip to gable and rear roof extension with two front roof window to the flat
P/2022/0454
2022 Approved
31 HESTON ROAD, HOUNSLOW, TW5 0QH
Erection of a first floor part rear extension to the house
P/2022/2642
2022 Approved
31 HESTON ROAD, HOUNSLOW, TW5 0QH
Certifiate of Lawfulness for the erection of a detached outbuilding to the rear of the ho…
P/2022/1116
2022 Approved
31 HESTON ROAD, HOUNSLOW, TW5 0QH
Ground floor rear extension 6.00 metres deep, maximum height 3.30 metres, 3.00 metres hig…
PA/2022/1124
2022 Approved
57 HESTON ROAD, HOUNSLOW, TW5 0QH
Erection of a part single part two storey side and single storey rear extension to the ho…
P/2022/0268
2021 Refused
LAND TO THE REAR OF 2 LIME TREE ROAD, HOUNSLOW, TW5 0TD
Demolition of existing garages and erection of two houses with solar panels, associated a…
P/2021/4773
2021 Approved
13 LIME TREE ROAD, HOUNSLOW, TW5 0TD
Erection of part first floor rear extension and installation of two roof lanterns to the…
P/2021/3761
2021 Withdrawn
3 HESTON ROAD, HOUNSLOW, TW5 0QH
Retrospective application for the erection of a single storey rear extension to the house
P/2021/3625
2021 Approved
2 SUTTON ROAD, HOUNSLOW, TW5 0PF
Erection of a single storey rear extension to the house
P/2021/2648
2020 Approved
13 LIME TREE ROAD, HOUNSLOW, TW5 0TD
Ground floor rear extension 6 metres deep, maximum height of 3.3 metres, 3 metres high to…
PA/2020/3417
2019 Approved
5 SUTTON ROAD, HOUNSLOW, TW5 0PG
Erection of a single storey rear and single storey side extension to the house
P/2019/3138
2019 Approved
21 LIME TREE ROAD, HOUNSLOW, TW5 0TD
Ground floor rear extension 5.70metres deep, maximum height of 2.5 metres, 2.30 metres hi…
PA/2019/2815
2019 Approved
21 LIME TREE ROAD, HOUNSLOW, TW5 0TD
Ground floor rear extension 2.30 metres deep, maximum height of 2.30 metres, 2.30 metres…
PA/2019/2291
2018 Approved
24 HESTON ROAD, HOUNSLOW, TW5 0QJ
Erection of a rear roof extension with two roof windows to front elevation.
P/2018/4315
2018 Approved
10 HESTON ROAD, HOUNSLOW, TW5 0QJ
Erection of a replacement porch to the house
P/2018/3162
2018 Withdrawn
2 SUTTON ROAD, HOUNSLOW, LONDON, TW5 0PF
Erection of a single storey rear extension
P/2018/2377
2016 Approved
24 LIME TREE ROAD HOUNSLOW LONDON TW5 0TD
Ground floor rear extension 6m deep, 2.85m high to the eaves with the maximum height of 2…
PA/2016/5286
2016 Approved
28 LIME TREE ROAD HOUNSLOW TW5 0TD
Ground floor rear extension 5.5 metres deep, maximum height of 3 metres, 3 metres high to…
PA/2016/5056
2016 Approved
19 LIME TREE ROAD HOUNSLOW TW5 0TD
Erection of a single storey rear extension to the house.
P/2016/2407
2016 Approved
2 LIME TREE ROAD HOUNSLOW TW5 0TD
Ground floor rear extension 7 metres deep, maximum height of 3.5 metres, 2.555 metres hig…
PA/2016/3249
2016 Approved
4 LIME TREE ROAD HOUNSLOW TW5 0TD
Ground floor rear extension 7 metres deep, maximum height of 3.50 metres, 2.555 metres hi…
PA/2016/3248
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

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.