55 Aldenham Avenue Radlett Hertfordshire WD7 8JA

Awaiting decision 26/0327/HSE
Council
Date received
11 Mar 2026
Date validated
11 Mar 2026
Postcode
WD7 8JA

Description

Construction of first floor rear extension and conversion of loft to habitable space with associated roof alterations, to include raised ridge height, 2x rear dormers and insertion of 3x front and 1x side rooflights, and alterations to fenestration.

3.1/10
Planning Authority Score
#226 of 277

Hertsmere is slower than most councils at deciding householder applications, ranking #233 out of 277. The council extends the time limit on 55% of applications - one of the highest rates in England. Expect your application to take longer than the standard deadline. Householder applications are slightly more likely to be approved here (94%) than the national average (90%).

Hertsmere decision performance
Based on MHCLG data, 2025
93%
Overall approval rate
Above avg (87%) #61 of 277
94%
Householder approved
Above avg (90%) #102 of 277
52%
Decided in 8 weeks
Below avg (71%) #233 of 277
55%
Extended time limit
Above avg (40%) #237 of 277
84%
Minor dwellings approved
102 decided (1-9 homes)
75%
Major dwellings approved
8 decided (10+ homes)
88%
Change of use approved
25 decided
749
Total decisions
56 refused in 2025