25 High Firs Crescent Harpenden AL5 1NB
Pending
5/2026/1089 - PPOR
Description
Removal of the existing flat roof and construction of a pitched roof to the front elevation
Nearby new applications
12 Leycroft Way Harpenden AL5 1JW
First floor side extension over existing single storey side projection, with new...
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101 Grove Road Harpenden Hertfordshire AL5 1ER
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Post
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Within ~100m
Nearby activity
2025
Approved
18 High Firs Crescent Harpenden Hertfordshire Al5 1Na
Prior Notification - Single storey rear extension with rooflights 6m depth x 3.50m in hei…
2025
Approved
18 High Firs Crescent Harpenden Hertfordshire Al5 1Na
Prior Notification - Single storey rear extension with rooflights 6m depth x 3.50m in hei…
2023
24 Greenway Harpenden Hertfordshire Al5 1Nq
Demolition of garage. Single storey front and two storey rear extensions including new po…
2023
24 Greenway Harpenden Hertfordshire Al5 1Nq
Demolition of garage. Single storey front and two storey rear extensions including new po…
2022
With conditions
20 Greenway Harpenden Hertfordshire Al5 1Nq
Single storey front, part first floor, part two storey rear extensions, garage conversion…
2022
With conditions
20 Greenway Harpenden Hertfordshire Al5 1Nq
Single storey front, part first floor, part two storey rear extensions, garage conversion…
2022
With conditions
56 High Firs Crescent Harpenden Hertfordshire Al5 1Na
Construction of garden outbuilding
2022
With conditions
56 High Firs Crescent Harpenden Hertfordshire Al5 1Na
Construction of garden outbuilding
2022
With conditions
58 High Firs Crescent Harpenden Hertfordshire Al5 1Na
Single storey front and two storey rear extension, garage conversion to habitable accommo…
2022
With conditions
58 High Firs Crescent Harpenden Hertfordshire Al5 1Na
Single storey front and two storey rear extension, garage conversion to habitable accommo…
2022
With conditions
58 High Firs Crescent Harpenden Hertfordshire Al5 1Na
Single storey front and two storey rear extension, garage conversion to habitable accommo…
2022
With conditions
58 High Firs Crescent Harpenden Hertfordshire Al5 1Na
Single storey front and two storey rear extension, garage conversion to habitable accommo…
2022
With conditions
9 Greenway Harpenden Hertfordshire Al5 1Nq
Single storey front extension, part single, part two storey side and rear extension with…
2022
With conditions
9 Greenway Harpenden Hertfordshire Al5 1Nq
Single storey front extension, part single, part two storey side and rear extension with…
2022
With conditions
18 Greenway Harpenden Hertfordshire Al5 1Nq
Single storey front and rear extension, first floor rear extension, associated landscapin…
2022
With conditions
18 Greenway Harpenden Hertfordshire Al5 1Nq
Single storey front and rear extension, first floor rear extension, associated landscapin…
2022
With conditions
58 High Firs Crescent Harpenden Hertfordshire Al5 1Na
Single storey front and two storey rear extensions, garage conversion into habitable acco…
2022
With conditions
58 High Firs Crescent Harpenden Hertfordshire Al5 1Na
Single storey front and two storey rear extensions, garage conversion into habitable acco…
2021
Refused
18 Greenway Harpenden Hertfordshire Al5 1Nq
Single storey front and rear extension, first floor rear extension, associated landscapin…
2021
Refused
18 Greenway Harpenden Hertfordshire Al5 1Nq
Single storey front and rear extension, first floor rear extension, associated landscapin…
2016
With conditions
11 Greenway Harpenden Hertfordshire Al5 1Nq
Single storey front, two storey side and rear extensions and garage conversion to habitab…
2016
With conditions
23 Greenway Harpenden Hertfordshire Al5 1Nq
Partial conversion of garage with front and side pitched roof, side and rear rooflights a…
2016
With conditions
23 Greenway Harpenden Hertfordshire Al5 1Nq
Partial conversion of garage with front and side pitched roof, side and rear rooflights a…
2016
Withdrawn
5 High Firs Crescent Harpenden Hertfordshire Al5 1Nb
Prior Notification - Single storey rear extension 6m depth x 3m height x 2.6m in height t…
2016
Withdrawn
5 High Firs Crescent Harpenden Hertfordshire Al5 1Nb
Prior Notification - Single storey rear extension 6m depth x 3m height x 2.6m in height t…
St Albans
Planning Authority Score
1.2/10
Poor
#287 of 292 councils
Relevant to this application:
Householder decisions
St Albans is one of the slowest councils in England for householder decisions, ranking #282 out of 292. The council extends the time limit on 61% of applications - one of the highest rates in England. Expect your application to take longer than the standard deadline. Householder applications are slightly less likely to be approved here (88%) than the national average (90%).
Among the slowest councils in England
for householder decisions
These figures are council-wide context, not a prediction for this application.
View full council performance
St Albans decision performance
Based on MHCLG data, 2025
86%
Overall approval rate
Below avg (87%) #195 of 292
88%
Householder approved
Below avg (90%) #223 of 292
32%
Decided in 8 weeks
Below avg (64%) #282 of 292
61%
Extended time limit
Above avg (40%) #270 of 292
71%
Minor dwellings approved
127 decided (1-9 homes)
69%
Major dwellings approved
16 decided (10+ homes)
77%
Change of use approved
22 decided
1,375
Total decisions
195 refused in 2025