33 Clairvale Road,Hounslow,TW5 9AF Data via plota.co.uk

P/2026/2648 - Lawful Development Certificate (Proposed) REGISTERED: Under Assessment
Extensions & alterations

Proposal

Certificate of lawfulness for the proposed erection of a rear roof extension with hip to gable conversion. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
16 Sept 2026
✓
Validated
9 Oct 2026
Decision
Expected by 4 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 2 Dec 2026, from Hounslow's recent extensions.

Documents 3

Plans & drawings 2

PDF 33 clarevale loft conversion .pdf P-Location Plan · 16 Sept 2026 View ↗ PDF Elevation (Rear) - Proposed_included_in_The location plan.pdf P-Proposed Elevation · 16 Sept 2026 View ↗

Application forms 1

PDF ApplicationFormRedacted.pdf P-Planning Application Form · 16 Sept 2026 View ↗

All documents on the council site ↗

Site constraints 5

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 Named permitted development rights are withdrawn here.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.
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 981 m away: M4 Junctions 3 to 12 Smart Motorway
The site is 981 m from the project boundary. Highway, decided. The project page says whether consent was granted. Also within 2 km: Expansion of Heathrow Airport (Third Runway) (at pre-application, 532 m).
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 ↗
Also on the record
Inside the Hounslow built-up area; Public transport access: PTAL 1b (very poor), 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 17 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.

Sales history 1

Last sold for £290,000 in January 2008. Semi-detached house, freehold.

11 January 2008£290,000

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

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Important details

Council
Hounslow
Application type
Lawful Development Certificate (Proposed)
Postcode
TW5 9AF
Received
16 Sept 2026
Validated
9 Oct 2026
Ward
Heston Central
Case officer
Show
Applicant
Show

Decision outlook

Day 10 of the 56-day target. Hounslow usually decides extensions by day 54.

Day 1046 days to the 56-day target
78%decided within 8 weeks
81%approved
924decided 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
9 Oct 2026
Statutory expiry
4 Dec 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2025 Refused
35 Clairvale Road, Hounslow, TW5 9AF
Erection of a single storey rear, part first floor rear, rear roof extension with a hip t…
P/2025/3266
2023 Refused
14 CLAIRVALE ROAD, HOUNSLOW, TW5 9AE
Retrospective permission for raising the height of the pitched roof on the first floor re…
P/2023/3785
2023
14 CLAIRVALE ROAD, HOUNSLOW, TW5 9AE
Retrospective permission for the erection of a rear glazed link extension, front porch ex…
P/2023/3768
2023 Approved
23 ADELAIDE ROAD, HOUNSLOW, TW5 9AG
Ground floor rear extension 6.00 metres deep, maximum height 2.92 metres, 2.92 metres hig…
PA/2023/1449
2023 Approved
56 VICTORIA GARDENS, HOUNSLOW, TW5 9DE
Ground floor rear extension 6.00 metres deep, maximum height of 3.30 metres, 3.00 metres…
PA/2023/0303
2022 Approved
25 CLAIRVALE ROAD, HOUNSLOW, TW5 9AF
Erection of a single storey rear extension incorporating the conversion of the garage int…
P/2022/3092
2022 Approved
63 CLAIRVALE ROAD, HOUNSLOW, TW5 9AF
Ground floor rear extension 6.00 metres deep, maximum height of 3.20 metres, 3.00 metres…
PA/2022/2680
2022 Refused
27 ADELAIDE ROAD, HOUNSLOW, TW5 9AG
Change of use from a house to a therapy centre
P/2022/1919
2021 Approved
17 CLAIRVALE ROAD, HOUNSLOW, TW5 9AF
Erection of a single storey outbuilding to be used as a home gym, home office and snooker…
P/2021/3737
2021 Approved
14 CLAIRVALE ROAD, HOUNSLOW, TW5 9AE
Erection of a single storey with part first floor rear extension
P/2021/3022
2021 Refused
14 CLAIRVALE ROAD, HOUNSLOW, TW5 9AE
Erection of a part single part double storey rear extension, a hip to gable and rear roof…
P/2021/2082
2021 Approved
20 ADELAIDE ROAD, HOUNSLOW, TW5 9AG
Erection of a part first floor rear extension to the house
P/2021/0953
2021 Approved
19 CLAIRVALE ROAD, HOUNSLOW, TW5 9AF
Erection of a single storey rear and part side extension to the house.
P/2021/0825
2021 Approved
22 CLAIRVALE ROAD, HOUNSLOW, TW5 9AE
Erection of a single storey side extension to the house
P/2021/0824
2020 Refused
55 CLAIRVALE ROAD, HOUNSLOW, TW5 9AF
Erection of detached single storey outbuilding to the rear of the house for use as a gym/…
P/2020/1780
2019 Approved
26 CLAIRVALE ROAD, HOUNSLOW, TW5 9AE
Erection of a two storey side extension to the house
P/2019/4477
2019 Approved
26 CLAIRVALE ROAD, HOUNSLOW, TW5 9AE
Erection of an outbuilding in rear garden
P/2019/4478
2019 Approved
26 CLAIRVALE ROAD, HOUNSLOW, TW5 9AE
Erection of two storey side extension to the house
P/2019/2497
2019 Approved
21 CLAIRVALE ROAD, HOUNSLOW, TW5 9AF
Erection of a single storey rear extension
P/2019/2355
2019 Approved
62 VICTORIA GARDENS, HOUNSLOW, TW5 9DE
Ground floor rear extension 6 metres deep, maximum height of 2.70 metres, 2.55 metres hig…
PA/2019/1660
2017 Approved
17 CLAIRVALE ROAD HOUNSLOW LONDON TW5 9AF
Ground floor rear extension 5.95m deep, 3m high to the eaves with the maximum height of 3…
PA/2017/0792
2017 Approved
21 ADELAIDE ROAD HOUNSLOW LONDON TW5 9AG
Ground floor rear extension 6m deep, 2.85m high to the eaves with the maximum height of 3…
PA/2017/0055
2016 Approved
10 CLAIRVALE ROAD HOUNSLOW LONDON TW5 9AE
Ground floor rear extension 5.95m deep, 2.95m high to the eaves with the maximum height o…
PA/2016/2930
2016 Approved
10 CLAIRVALE ROAD HOUNSLOW LONDON TW5 9AE
Ground floor rear extension 5.95m deep, 2.95m high to the eaves with the maximum height o…
PA/2016/2925
2016 Approved
23 VICTORIA GARDENS HOUNSLOW LONDON TW5 9DD
Ground floor rear extension 6 metres deep, maximum height of 2.7 metres, 2.7 metres high…
PA/2016/0591
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

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