17 Grove Hill Road, Harrow, HA1 3AA

Grant PL/0862/26 - Certificate of Lawful Development Proposed
Council
Date received
30 Mar 2026
Postcode
HA1 3AA
Type
Certificate of Lawful Development Proposed

Description

Certificate of Lawful Proposed Development: Alterations to roof to form end gable and rear dormer with Juliette balcony, Installation of two roof lights in front roof slope and new window in end gable

Harrow
Planning Authority Score
5.4/10
Average
#125 of 292 councils
Relevant to this application:
Householder decisions

Harrow is faster than most councils at deciding householder applications, ranking #88 out of 292. Harrow is also one of the strictest councils - it refuses more householder applications than almost any other, with only 83% approved vs 90% nationally.

One of the strictest councils
only 83% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Harrow decision performance
Based on MHCLG data, 2025
78%
Overall approval rate
Below avg (87%) #270 of 292
83%
Householder approved
Below avg (90%) #255 of 292
74%
Decided in 8 weeks
Above avg (64%) #88 of 292
31%
Extended time limit
Below avg (40%) #60 of 292
49%
Minor dwellings approved
136 decided (1-9 homes)
100%
Major dwellings approved
4 decided (10+ homes)
54%
Change of use approved
24 decided
1,316
Total decisions
287 refused in 2025