34 Thirlmere Drive St Albans Hertfordshire AL1 5QR
Under Consultation
5/2026/0897 - NCS
Description
Prior Notification - Single storey rear extension 2.95m in height x 4.00m in depth with 2.95m height to eaves
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Historical activity at this location
30 previous applications on record - archival context, not part of the live application.
This property
Previous applications at this address
2024
Part single, part two storey front extension, single storey rear extension with rooflight…
2023
Prior Notification - Single storey rear extension 6m in depth x 3.25m in heght and 3m in…
2023
Prior Notification - Single storey rear extension 6m in depth x 3.25m in heght and 3m in…
2023
Part single, part two storey front extension, single storey rear extension with rooflight…
2023
Part single, part two storey front extension, single storey rear extension with rooflight…
Within ~100m
Nearby activity
2024
With conditions
33 Catham Close St Albans Hertfordshire Al1 5Qt
Single storey rear extension with pitched roof and roof windows. Front porch extension wi…
2024
Refused
15 Catham Close St Albans Hertfordshire Al1 5Qt
Proposed part single and part two storey rear extension and demolition of existing conser…
2024
With conditions
12 Thirlmere Drive St Albans Hertfordshire Al1 5Qr
Demolition of outbuilding. Part single, part two storey rear extension. Alterations to op…
2023
8 Catham Close St Albans Hertfordshire Al1 5Qt
Demolition of existing outhouse and erection of a single rear extension, single storey fr…
2023
8 Catham Close St Albans Hertfordshire Al1 5Qt
Demolition of existing outhouse and erection of a single rear extension, single storey fr…
2023
33 Catham Close St Albans Hertfordshire Al1 5Qt
Single storey rear extension with pitched roof and roof windows, front porch extension wi…
2023
33 Catham Close St Albans Hertfordshire Al1 5Qt
Single storey rear extension with pitched roof and roof windows, front porch extension wi…
2022
With conditions
13 Catham Close St Albans Hertfordshire Al1 5Qt
Proposed porch and rear elevation alterations
2022
With conditions
13 Catham Close St Albans Hertfordshire Al1 5Qt
Proposed porch and rear elevation alterations
2022
Approved
31 Catham Close St Albans Hertfordshire Al1 5Qt
Prior Notification - Single storey rear extension 3.3m in height x 5m in depth with 3m he…
2022
Approved
31 Catham Close St Albans Hertfordshire Al1 5Qt
Prior Notification - Single storey rear extension 3.3m in height x 5m in depth with 3m he…
2022
With conditions
14 Catham Close St Albans Hertfordshire Al1 5Qt
Single storey front infill extension
2022
With conditions
14 Catham Close St Albans Hertfordshire Al1 5Qt
Single storey front infill extension
2022
Approved
32 Catham Close St Albans Hertfordshire Al1 5Qt
Prior Notification - Single storey rear extension 3.74m in height x 4.07m in depth with 2…
2022
Approved
32 Catham Close St Albans Hertfordshire Al1 5Qt
Prior Notification - Single storey rear extension 3.74m in height x 4.07m in depth with 2…
2021
With conditions
20 Catham Close St Albans Hertfordshire Al1 5Qt
Single storey front extension with rooflights, loft conversion to habitable space with re…
2021
With conditions
20 Catham Close St Albans Hertfordshire Al1 5Qt
Single storey front extension with rooflights, loft conversion to habitable space with re…
2021
Refused
29 Thirlmere Drive St Albans Hertfordshire Al1 5Qs
Single storey rear extension
2021
Refused
29 Thirlmere Drive St Albans Hertfordshire Al1 5Qs
Single storey rear extension
2021
With conditions
14 Catham Close St Albans Hertfordshire Al1 5Qt
Loft conversion with rear dormer window, front roof lights, side window and alterations t…
2018
With conditions
6 Catham Close St Albans Hertfordshire Al1 5Qt
Single storey rear extension with rooflights, front porch and loft conversion with rear d…
2018
With conditions
50 Thirlmere Drive St Albans Hertfordshire Al1 5Qr
Part single, part two storey front extension following demolition of existing front proje…
2018
Approved
50 Thirlmere Drive St Albans Hertfordshire Al1 5Qr
Prior Notification - Single storey rear extension 6.0m depth x 3m height x 2.8m in height…
2016
With conditions
27 Catham Close St Albans Hertfordshire Al1 5Qt
Single storey front extension with new entrance porch
2016
With conditions
27 Catham Close St Albans Hertfordshire Al1 5Qt
Single storey front extension with new entrance porch
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