231 Long Lane Hillingdon Data via plota.co.uk

65967/APP/2026/790 Refused
Extensions & alterations

Proposal

Part two storey, part single storey rear 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
26 Mar 2026
✓
Validated
12 May 2026
✗
Refused
17 Jun 2026
Appeal
Not lodged

Refused on 17 Jun 2026 · Last checked 6 Sept 2026

Documents

View the documents on the council's website ↗

Site constraints 4

2 Article 4 directions
Changes of use from commercial, business and service uses to dwellinghouses · 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 Named permitted development rights are withdrawn here.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 3 (moderate), 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 6 October 2026. Historic England, the Environment Agency, Natural England, 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
Postcode
UB10 9JU
Received
26 Mar 2026
Validated
12 May 2026
Ward
HILLINGDON EAST 2022
Case officer
Show
Target decision
7 Jul 2026
Decision
Refusal
Decision date
17 Jun 2026
Agent
Show

How this decision compares

Decided in 36 days from validation, 18 days faster than Hillingdon's median of 54 for extensions. Refused, as 9% 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

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

Within ~100m

Nearby activity

2024 Refused
Telecomms site at Junction of Hercies Road & Sweetcroft Lane HERCIES ROAD HILLINGDON UB10 9LT
Installation of a 20m monopole supporting 6no. antennas, 1no. 300mm dish, 2no. cabinets a…
78572/APP/2024/371
2024 Approved
325 LONG LANE HILLINGDON UB10 9JU
Relocation of car wash canopy and erection of car repair shed.
2279/APP/2024/130
2023 Refused
325-331 LONG LANE HILLINGDON UB10 9JU
Relocation of car wash canopy and erection of car repair shed.
2279/APP/2023/951
2019 Approved
297 LONG LANE HILLINGDON UB10 9JY
Details pursuant to the partial discharge of Condition 20 (Contamination - part (iii) onl…
4860/APP/2019/3958
2019 Approved
297 LONG LANE HILLINGDON UB10 9JY
Details pursuant to condition 6 (Landscaping), 8 (Parking), 9 (Surfacing and marking out…
4860/APP/2019/2311
2019 Approved
297 LONG LANE HILLINGDON UB10 9JY
Details pursuant to the partial discharge of 20 (Contaminated Land) parts (i) a, b and c…
4860/APP/2019/1802
2019 Approved
297 LONG LANE HILLINGDON UB10 9JY
Details pursuant to conditions 7 (Materials), 10 (Glazing to Balconies) and 21 (Sound Ins…
4860/APP/2019/1798
2019 Refused
394A LONG LANE HILLINGDON UB10 9PG
Provision of enclosed staircase to create roof access and proposed roof terrace
75000/APP/2019/2536
2019 Approved
297 LONG LANE HILLINGDON UB10 9JY
Details pursuant to conditions 14 (SUDS) of planning permission Ref: 4860/APP/2018/3719 d…
4860/APP/2019/1799
2019 Approved
297 LONG LANE HILLINGDON UB10 9JY
Details pursuant to condition 15 (Piling), 16 (Cranes) and 19 (Construction Management Pl…
4860/APP/2019/1801
2019 Approved
297 LONG LANE HILLINGDON UB10 9JY
Details pursuant to conditions 4 (Levels) of planning consent 4860/APP/2018/3719 dated 04…
4860/APP/2019/1821
2019 Approved
297 LONG LANE HILLINGDON UB10 9JY
Details pursuant to condition 16 (piling), 17 (construction management strategy) and 18 (…
4860/APP/2019/219
2018 Approved
297 LONG LANE HILLINGDON UB10 9JY
Redevelopment of the former dairy depot to provide a 4 storey block containing 36 residen…
4860/APP/2018/3719
2018 Refused
297 LONG LANE HILLINGDON UB10 9JY
Details pursuant to conditions 16 (piling method statement), 17 (construction management…
4860/APP/2018/2868
2018 Refused
297 LONG LANE HILLINGDON UB10 9JY
Details pursuant to conditions 7 (landscaping), 9 (parking allocation scheme) and 10 (sur…
4860/APP/2018/2985
2018 Approved
297 LONG LANE HILLINGDON UB10 9JY
Details pursuant to partial discharge of condition 15 (part c) (suds) of planning permiss…
4860/APP/2018/2661
2018 Approved
297 LONG LANE HILLINGDON UB10 9JY
Details pursuant to conditions 8 (materials), 11 (details of balconies) and 20 (noise) of…
4860/APP/2018/1889
2018 Approved
297 LONG LANE HILLINGDON UB10 9JY
Details pursuant to conditions 4 (levels) and 6 (tree protection) of planning permission…
4860/APP/2018/1623
2018 Approved
297 LONG LANE HILLINGDON UB10 9JY
Details pursuant to condition 15 (parts a and b)(Suds) of planning permission ref: 4860/A…
4860/APP/2018/1622
2018 Approved
297 LONG LANE HILLINGDON UB10 9JY
Details pursuant to partial discharge of condition 19 (i) (contamination) of planning per…
4860/APP/2018/1621
2018 Approved
297 LONG LANE HILLINGDON UB10 9JY
See Application Form
4860/ADV/2018/5
2017 Approved
297 LONG LANE HILLINGDON UB10 9JY
Redevelopment to provide a 4 storey residential building containing 33 residential flats…
4860/APP/2017/2394
2016 Approved
EYEWISE 374 LONG LANE HILLINGDON UB10 9PG
Single storey rear extension.
53407/APP/2016/2208
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