302 LONG LANE HILLINGDON

Approval 21639/APP/2026/473
Council
Date received
23 Feb 2026
Date validated
23 Feb 2026
Postcode
UB10 9PE

Description

Conversion of roof space to habitable use to include 2no. side dormers, and conversion of roof from hip to gable end with Juliette balcony, and removal of chimneys (Application for a Certificate of Lawful Development for a Proposed Development)

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
43%
Extended time limit
Above avg (40%) #170 of 292
67%
Minor dwellings approved
58 decided (1-9 homes)
68%
Change of use approved
19 decided
1,703
Total decisions
276 refused in 2025