25 Aldwickbury Crescent Harpenden Hertfordshire AL5 5SA
Under Consideration
5/2026/0464 - HSE
Description
Single storey rear extension and side extension with porch canopy
Other new applications on this street
Nearby new applications
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24 Lyndhurst Drive Harpenden Hertfordshire AL5 5RJ
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94 Topstreet Way Harpenden Hertfordshire AL5 5TS
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41 Aldwickbury Crescent Harpenden Hertfordshire AL5 5SA
Post - ppf requested
50 Alzey Gardens Harpenden Hertfordshire AL5 5SY
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100 Crabtree Lane Harpenden Hertfordshire AL5 5RF
Removal of rear garden store, erection of first floor side extension over existi...
Historical activity at this location
27 previous applications on record - archival context, not part of the live application.
This property
Previous applications at this address
Within ~100m
Nearby activity
2025
With conditions
7 Englehurst Harpenden Hertfordshire Al5 5Sq
Erection of a part single part two storey front extension, erection of a single storey re…
2025
With conditions
7 Englehurst Harpenden Hertfordshire Al5 5Sq
Erection of a part single part two storey front extension, erection of a single storey re…
2025
With conditions
2 Englehurst Harpenden Hertfordshire Al5 5Sq
Single storey rear extension, garage conversion, first floor front extension and new wind…
2025
With conditions
2 Englehurst Harpenden Hertfordshire Al5 5Sq
Single storey rear extension, garage conversion, first floor front extension and new wind…
2025
With conditions
4 Altwood Harpenden Hertfordshire Al5 5Ru
Single storey front extension with loft conversion incorporating a rear facing box dormer
2025
With conditions
4 Altwood Harpenden Hertfordshire Al5 5Ru
Single storey front extension with loft conversion incorporating a rear facing box dormer
2025
With conditions
3 Englehurst Harpenden Hertfordshire Al5 5Sq
Proposed front infill extension and loft conversion with flat roof rear dormer
2025
With conditions
3 Englehurst Harpenden Hertfordshire Al5 5Sq
Proposed front infill extension and loft conversion with flat roof rear dormer
2024
With conditions
11 Fairfield Close Harpenden Hertfordshire Al5 5Rz
Proposed part two, part single storey side extension. Replacement pitched roof over exist…
2023
5 Fairfield Close Harpenden Hertfordshire Al5 5Rz
Garage conversion to provide habitable space with new pitched roof over existing garage
2023
5 Fairfield Close Harpenden Hertfordshire Al5 5Rz
Garage conversion to provide habitable space with new pitched roof over existing garage
2023
11 Fairfield Close Harpenden Hertfordshire Al5 5Rz
Single storey side extension, alterations to roofs of existing front and rear single stor…
2023
11 Fairfield Close Harpenden Hertfordshire Al5 5Rz
Single storey side extension, alterations to roofs of existing front and rear single stor…
2022
With conditions
3 Fairfield Close Harpenden Hertfordshire Al5 5Rz
Single storey front extension with rooflights
2022
With conditions
3 Fairfield Close Harpenden Hertfordshire Al5 5Rz
Single storey front extension with rooflights
2022
With conditions
4 Altwood Harpenden Hertfordshire Al5 5Ru
Single storey rear extension following demolition of existing conservatory
2022
With conditions
4 Altwood Harpenden Hertfordshire Al5 5Ru
Single storey rear extension following demolition of existing conservatory
2021
With conditions
11 Altwood Harpenden Hertfordshire Al5 5Ru
Part single, part two storey rear extension following demolition of conservatory and part…
2021
With conditions
11 Altwood Harpenden Hertfordshire Al5 5Ru
Part single, part two storey rear extension following demolition of conservatory and part…
2020
With conditions
2 Altwood Harpenden Hertfordshire Al5 5Ru
Two storey side extension, single storey front extension, new roof over existing front pr…
2018
With conditions
17 Aldwickbury Crescent Harpenden Hertfordshire Al5 5Sa
First floor side extension
2018
With conditions
14 Altwood Harpenden Hertfordshire Al5 5Ru
Two storey side and part single, part two storey rear extension following demolition of c…
2017
Withdrawn
14 Altwood Harpenden Hertfordshire Al5 5Ru
Two storey side extension, part single, part two storey front extension, single storey re…
2016
With conditions
22 Aldwickbury Crescent Harpenden Hertfordshire Al5 5Rr
Part first floor, part two storey side and single storey rear extension and alterations t…
2016
With conditions
22 Aldwickbury Crescent Harpenden Hertfordshire Al5 5Rr
Part first floor, part two storey side and single storey rear extension and alterations 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