St Marys Rc Primary School Rockingham Road Uxbridge Data via plota.co.uk

9069/APP/2026/1575 Approved

Proposal

Erection of a single storey outbuilding Data via plota.co.uk

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View original council record ↗Last checked 28 Oct 2026, 03:11

Application progress

✓

Received

24 Jun 2026

✓

Validated

3 Aug 2026

✓

Approved

25 Sept 2026

Approved on 25 Sept 2026 · Last checked 25 Sept 2026

Documents

View the documents on the council's website ↗

Site constraints 8

2 Article 4 directions

Residential extensions · Houses of Multiple Occupation (HMOs). Named permitted development rights are withdrawn here.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.

Archaeological priority area

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: 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 ↗

Also on the record

Radon affected area, class 2; National infrastructure project about 593 m away: Expansion of Heathrow Airport (Third Runway), at pre-application; Inside the Hillingdon built-up area; Public transport access: PTAL 3 (moderate), TfL 2023, for the 100 m square; Conservation area about 95 m away: Uxbridge Moor.

Not affected

Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 17 October 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, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI), 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: 24 Jun 2026
Validated: 3 Aug 2026
Ward: UXBRIDGE 2022
Case officer: Show
Target decision: 28 Sept 2026
Decision: Approval
Decision date: 25 Sept 2026
Agent: Show

How this decision compares

Decided in 53 days from validation, about the council's usual 54 days. Approved, as 91% of extensions here are.

This one53d

Council54d

UK55d

66%decided within 8 weeks

91%approved

1,276decided in the last year

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

Consultation & key dates

Consultation: 7 Aug 2026
Comments by: 28 Aug 2026

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