143 Long Lane Hillingdon Data via plota.co.uk

14904/APP/2026/390 Approved
Extensions & alterations

Proposal

Erection of a part single, part double storey side extension, with amendments to fenestrations and roof alterations including the installation of a crown roof (Part-Retrospective Application) Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
16 Feb 2026
✓
Approved
5 Jun 2026

Approved on 5 Jun 2026 · Last checked 10 Aug 2026

Documents

View the documents on the council's website ↗

Site constraints 3

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 Named permitted development rights are withdrawn here.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.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 11 September 2026. Historic England, the Environment Agency, Natural England 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

7 Aug 2026Pending

155 LONG LANE HILLINGDON

TPO 157 T38 1x Oak tree to crown reduce by 2m and crown lift 2m.

26555/TRE/2026/191
23 Jul 2026Approved

161 LONG LANE HILLINGDON

TPO 121 T11 1x Turkey Oak to Fell and replace with a suitable specimen in an agr...

42475/TRE/2026/178
22 Jun 2026Withdrawn

261 LONG LANE HILLINGDON

Variation of Condition 2 (Approved Plans) of planning permission ref. 12883/APP/...

12883/APP/2026/1537
4 Jun 2026Pending

90 LONG LANE ICKENHAM

Demolition of the existing dwellinghouse and the erection of a 9 no. 1, 2 and 3 ...

8905/APP/2026/1385

Nearby new applications

23 Sept 2026Pending

101 GROSVENOR CRESCENT UXBRIDGE

Erection of a single storey extension to the rear/side

8571/APP/2026/2269
18 Sept 2026Pending

11 ANGLE CLOSE UXBRIDGE

Proposed 6m Single-Storey rear extension following demolition of existing garage...

44625/APP/2026/2244
14 Sept 2026Pending

87 WOODCROFT CRESCENT UXBRIDGE UB10 9JD

Erection of a two storey side extension.

77593/APP/2026/2210
11 Sept 2026Pending

11 ANGLE CLOSE UXBRIDGE

Erection of front porch and single storey side extension (Application for a Cert...

44625/APP/2026/2200
8 Sept 2026Pending

44 GLISSON ROAD UXBRIDGE

Erection of a first floor front extension and conversion of integral garage to h...

14400/APP/2026/2175
7 Sept 2026Approved

27 BRAMPTON ROAD UXBRIDGE

Conversion of roof space to habitable use to include a rear dormer, front roof l...

50108/APP/2026/2166

Important details

Council
Hillingdon
Postcode
UB10 9HL
Received
16 Feb 2026
Validated
16 Feb 2026
Decision
Approval
Decision date
5 Jun 2026

How this decision compares

Decided in 109 days from validation, 55 days slower than Hillingdon's median of 54 for extensions. Approved, as 92% of extensions here are.

66%decided within 8 weeks
92%approved
1,175decided 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

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

Within ~100m

Nearby activity

2023 Refused
141 LONG LANE HILLINGDON UB10 9JN
Non-material amendment to planning permission ref. 73428/APP/2020/1913, dated 03-09-2020…
73428/APP/2023/3056
2023 Approved
141 LONG LANE HILLINGDON UB10 9JN
Non-material amendment to planning permission ref. 73428/APP/2020/1913, dated 03-09-2020…
73428/APP/2023/2799
2023 Refused
141 LONG LANE HILLINGDON UB10 9JN
Non-material amendment to planning permission ref. 73428/APP/2020/1913 dated 03-09-2020 f…
73428/APP/2023/2473
2022 Approved
141 LONG LANE HILLINGDON UB10 9JN
Details Pursuant to Conditions 3 (materials), 4 (landscape scheme), 5 (planting), 9 (SUDs…
73428/APP/2022/3679
2023 Approved
141 LONG LANE HILLINGDON UB10 9JN
Non-material Amendment to planning permission ref 73428/APP/2020/1913 dated 03-09-2020 fo…
73428/APP/2023/630
2022 Refused
141 LONG LANE HILLINGDON UB10 9JN
Non-material amendment to planning permission ref. 73428/APP/2020/1913 dated 03-09-2020 (…
73428/APP/2022/3532
2018 Refused
141 LONG LANE HILLINGDON UB10 9JN
Erection of two, two-storey, semi-detached 3-bed dwellings,with associated parking, cycle…
73428/APP/2018/2788
2017 Refused
141 LONG LANE HILLINGDON UB10 9JN
Erection of a two storey, detached building with habitable roof space to create 2 x 3-bed…
73428/APP/2017/4660
2017 Approved
1B COURT DRIVE HILLINGDON UB10 0BJ
Conversion of roofspace to habitable use to include 2 side, 1 front and 1 rear rooflights
42151/APP/2017/3680
2017 Refused
1A COURT DRIVE HILLINGDON UB10 0BJ
Single storey rear extension and single storey side extension
42151/APP/2017/753
2017 Approved
175 LONG LANE HILLINGDON UB10 9JN
Single storey side/rear extension
72729/APP/2017/1153
2017 Approved
175 LONG LANE HILLINGDON UB10 9JN
Single storey outbuilding to rear for use as a gym/store ancillary to the main dwelling (…
72729/APP/2017/1151
2017 Approved
175 LONG LANE HILLINGDON UB10 9JN
Conversion of roof space to habitable use to include a rear dormer, 3 front roof lights a…
72729/APP/2017/1150
2016 Approved
1A COURT DRIVE HILLINGDON UB10 0BJ
Single storey rear extension and single storey side extension
42151/APP/2016/3112
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