94 Thornton Avenue West Drayton Data via plota.co.uk

57953/APP/2026/2414 Undecided

Proposal

Erection of an outbuilding to the rear garden for use as a gym/playroom, storage room and toilet (Application for a Certificate of Lawful Development for a Proposed Development). Data via plota.co.uk

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View original council record ↗Last checked 10 Nov 2026, 05:13

Application progress

✓

Received

14 Oct 2026

✓

Validated

28 Oct 2026

Decision

Expected by 23 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 21 Dec 2026, from Hillingdon's recent extensions.

Documents

View the documents on the council's website ↗

Site constraints 5

Article 4 direction

Residential extensions. Named permitted development rights are withdrawn here.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: Hillingdon 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 about 581 m away: M4 Junctions 3 to 12 Smart Motorway

The site is about 581 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, about 366 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 Hillingdon 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 scheduled monument at the site

Checked on 1 November 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. 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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Important details

Council: Hillingdon
Received: 14 Oct 2026
Validated: 28 Oct 2026
Ward: WEST DRAYTON 2022
Case officer: Show
Target decision: 23 Dec 2026
Agent: Show

Decision outlook

Day 14 of the 56-day target. Hillingdon usually decides extensions by day 54.

prediction

Day 1442 days to the 56-day target

66%decided within 8 weeks

91%approved

1,377decided in the last year

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

Hillingdon

Planning Authority Score

3.5/10

Below average

#219 of 296 councils

Relevant to this application:

Householder decisions

Hillingdon ranks #194 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (90%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance

Hillingdon decision statistics

Based on MHCLG data, the year to March 2026

85%

Overall approval rate

Below avg (87%) #208 of 296

90%

Householder approved

Above avg (90%) #191 of 296

58%

Decided in 8 weeks

Below avg (63%) #194 of 296

45%

Extended time limit

Above avg (41%) #190 of 296

61%

Minor dwellings approved

67 decided (1-9 homes)

65%

Change of use approved

17 decided

1,680

Total decisions

255 refused in the year to March 2026