78 WHITBY ROAD RUISLIP

Undecided 3069/APP/2026/754

Extensions & alterations

Council

Hillingdon

Date received

28 Mar 2026

Date validated

28 Mar 2026

Postcode

HA4 9DT

Description

Conversion of roof space to habitable use to include a rear dormer with Juliette balcony, 3 front roof lights and removal of chimney stacks (Application for a Certificate of Lawful Development for a Proposed Development)

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Hillingdon

Planning Authority Score

3.6/10

Below average

#212 of 292 councils

Relevant to this application:

Householder decisions

Hillingdon ranks #171 out of 292 councils for householder decision speed. Householder applications are slightly less likely to be approved here (88%) 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, 2025

84%

Overall approval rate

Below avg (87%) #220 of 292

88%

Householder approved

Below avg (90%) #219 of 292

61%

Decided in 8 weeks

Below avg (64%) #171 of 292