138 LONG LANE HILLINGDON Data via plota.co.uk

Pending 50903/APP/2026/1169

Extensions & alterations

Council

Hillingdon 3.5/10

Date received

11 May 2026

Date validated

11 May 2026

Postcode

UB10 0AL

Description

Conversion of roof space to habitable use to include a rear dormer with Juliet balcony, 3no. front rooflights, and removal of chimney stack. (Application for a Certificate of Lawful Development for a Proposed Development) Data via plota.co.uk

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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 performance

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