29 St Peter's Road Cowley Uxbridge Data via plota.co.uk

35794/APP/2026/2408 Undecided
Extensions & alterations

Proposal

Erection of front porch extension (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

Application progress

✓
Received
14 Oct 2026
Decision
Expected by 9 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 7 Dec 2026, from Hillingdon's recent extensions.

Documents

View the documents on the council's website ↗

Site constraints 7

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 Named permitted development rights are withdrawn here.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.
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 ↗
Conservation area 20 m away: Cowley Church (St. Laurence)
The edge of the area; work outside it can still affect its setting.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Also on the record
Green belt 15 m away: London; Inside the Hillingdon built-up area; Public transport access: PTAL 1b (very poor), TfL 2023, for the 100 m square; National infrastructure project 1005 m away: Expansion of Heathrow Airport (Third Runway), at pre-application.
Not affected
Outside flood zones 2 and 3 · No listed building at the site · No scheduled monument at the site

Checked on 23 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.

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Important details

Council
Hillingdon
Received
14 Oct 2026
Validated
14 Oct 2026
Ward
COLHAM & COWLEY
Case officer
Show
Target decision
9 Dec 2026
Agent
Show

Decision outlook

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

Day 1442 days to the 56-day target
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 →

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
Source: MHCLG planning statistics · See full council rankings