30 Mayfield Close Uxbridge UB10 8DS Data via plota.co.uk

80146/APP/2026/1552 Approved
Extensions & alterations

Proposal

Erection of a single storey rear extension, and Conversion of roof space to habitable use to include a rear dormer and 2 front roof lights (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
22 Jun 2026
✓
Approved
8 Jul 2026

Approved on 8 Jul 2026 · Last checked 6 Sept 2026

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 Named permitted development rights are withdrawn here.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 ↗
Also on the record
Inside the Hillingdon built-up area; Public transport access: PTAL 1a (very poor), TfL 2023, for the 100 m square; National infrastructure project about 1729 m away: Expansion of Heathrow Airport (Third Runway), at pre-application.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 6 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, 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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Other new applications on this street

16 Oct 2026Pending

50 MAYFIELD CLOSE HILLINGDON UB10 0DU

Erection of an two storey extension to the rear, conversion of garage into habit...

80125/APP/2026/1954
11 Jun 2026Approved

50 MAYFIELD CLOSE UXBRIDGE UB10 0DU

Conversion of roof space to habitable use to include rear dormer, and 3x front r...

80125/APP/2026/1451

Nearby new applications

12 Oct 2026Pending

12 THORNHILL ROAD ICKENHAM

Erection of a part single part two storey side and rear extension, a single stor...

12457/APP/2026/2383
6 Oct 2026Pending

72 BREAKSPEAR RD S ICKENHAM UB10 8HE

Erection of a single story wrap around extension to the side and rear, erection ...

80061/APP/2026/2348
30 Sept 2026Pending

8 WARREN ROAD ICKENHAM

Demolition of existing two storey detached dwelling house and erection of two st...

23271/APP/2026/2308
14 Sept 2026Pending

57 WARREN ROAD ICKENHAM

Retention of outbuilding with pitched roof as constructed (Retrospective Plannin...

16915/APP/2026/2084
5 Aug 2026Pending

29 THE AVENUE ICKENHAM

Variation of Condition 2 (Approved plans) and 11 (Side facing windows) of planni...

996/APP/2026/1942
31 Jul 2026Approved

31A THE AVENUE UXBRIDGE

Conversion of roof space to habitable use to include hipped to gabled ends, rear...

49399/APP/2026/1907

Important details

Council
Hillingdon
Postcode
UB10 8DS
Received
22 Jun 2026
Validated
22 Jun 2026
Ward
HILLINGDON EAST 2022
Case officer
Show
Target decision
17 Aug 2026
Decision
Approval
Decision date
8 Jul 2026
Agent
Show

How this decision compares

Decided in 16 days from validation, 38 days faster than Hillingdon's median of 54 for extensions. Approved, as 91% of extensions here are.

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 →

Historical activity at this location

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

Within ~100m

Nearby activity

2025 Approved
Oak View House 135 SWAKELEYS ROAD ICKENHAM UB10 8DL
TPO 299 T4 1x Oak reduce laterals overhanging 135 Swakeleys Road by up to 2.5m
380/TRE/2025/161
2023 Approved
161 SWAKELEYS ROAD ICKENHAM UB10 8DL
Erection of a first floor side and rear extension with 3 new windows at first floor level…
71680/APP/2023/800
2021 Approved
29 VINLAKE AVENUE ICKENHAM MIDDX UB10 8DS
Part two storey, part single storey side extension and single storey rear extension inclu…
58980/APP/2021/137
2019 Approved
3 VINLAKE AVENUE ICKENHAM UB10 8DS
Single storey outbuilding to rear for use as gym/storage/workshop and shower room.
42260/APP/2019/2353
2019 Approved
140 SWAKELEYS ROAD ICKENHAM UB10 8DL
Single storey side/rear extension involving demolition of existing outbuilding
74095/APP/2019/848
2019 Refused
140 SWAKELEYS ROAD ICKENHAM UB10 8DL
Single storey front extension, two storey side/rear extension and enlargement of roof spa…
74095/APP/2019/350
2018 Approved
140 SWAKELEYS ROAD ICKENHAM UB10 8DL
Single storey side extension, single storey rear extensions, conversion of roofspace to h…
74095/APP/2018/3811
2018 Approved
140 SWAKELEYS ROAD ICKENHAM UB10 8DL
Erection of a single storey rear extension, which would extend beyond the rear wall of th…
74095/APP/2018/3075
2018 Approved
140 SWAKELEYS ROAD ICKENHAM UB10 8DL
Erection of a single storey rear extension, which would extend beyond the rear wall of th…
74095/APP/2018/3125
2017 Approved
161 SWAKELEYS ROAD ICKENHAM UB10 8DL
Details pursuant to condition 5 (Tree Protection) of planning permission Ref: 71680/APP/2…
71680/APP/2017/2252
2016 Approved
161 SWAKELEYS ROAD ICKENHAM UB10 8DL
Single storey side/rear extension
71680/APP/2016/2645
2016 Approved
161 SWAKELEYS ROAD ICKENHAM UB10 8DL
Single storey side/rear extension
71680/APP/2016/930
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