30 Rosemary Drive London Colney Hertfordshire AL2 1UD
Under Consultation
5/2026/0555 - HSE
Description
Single storey rear extension with roof windows, alterations to openings, part garage conversion with new garage door.
Other new applications on this street
Nearby new applications
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
8 Rosemary Drive London Colney Hertfordshire Al2 1Ud
Garage conversion with new window
2025
With conditions
8 Rosemary Drive London Colney Hertfordshire Al2 1Ud
Garage conversion with new window
2025
Approved
28 Rosemary Drive London Colney Hertfordshire Al2 1Ud
2 x Willow (T1 & T2 - on sketch plan) removed, these trees have reached a size and maturi…
2025
Approved
28 Rosemary Drive London Colney Hertfordshire Al2 1Ud
2 x Willow (T1 & T2 - on sketch plan) removed, these trees have reached a size and maturi…
2025
Approved
44 Rosemary Drive London Colney Hertfordshire Al2 1Ud
Cypress -reduce by approximately 30%. Following the height reduction, the remaining tree…
2025
Approved
44 Rosemary Drive London Colney Hertfordshire Al2 1Ud
Cypress -reduce by approximately 30%. Following the height reduction, the remaining tree…
2024
Approved
28 Rosemary Drive London Colney Hertfordshire Al2 1Ud
1 x Ceanothus (T1 on sketch plan) reduced by around 1m, 1 x Willow tree (T2 on sketch pla…
2024
With conditions
21 Rosemary Drive London Colney Hertfordshire Al2 1Ud
Garage conversion. Single storey rear extension. Loft conversion with rooflights. New fro…
2024
With conditions
47 Rosemary Drive London Colney Hertfordshire Al2 1Ud
Garage conversion and alterations to openings
2024
Approved
6 Rosemary Drive London Colney Hertfordshire Al2 1Ud
T1 Willow - Fell, this willow has basal decay and has already lost one side lateral, ther…
2023
Approved
29 Rosemary Drive London Colney Hertfordshire Al2 1Ud
1 x Cherry tree (T1- on sketch plan) in the front right planting bed in the front garden…
2023
Approved
29 Rosemary Drive London Colney Hertfordshire Al2 1Ud
1 x Cherry tree (T1- on sketch plan) in the front right planting bed in the front garden…
2023
Approved
28 Rosemary Drive London Colney Hertfordshire Al2 1Ud
1 x Eucalyptus tree (T1 - on sketch plan) in the front garden along the front right-hand…
2023
Approved
28 Rosemary Drive London Colney Hertfordshire Al2 1Ud
1 x Eucalyptus tree (T1 - on sketch plan) in the front garden along the front right-hand…
2022
35 Rosemary Drive London Colney Hertfordshire Al2 1Ud
Partial garage conversion to habitable accommodation and insertion of door to side elevat…
2022
35 Rosemary Drive London Colney Hertfordshire Al2 1Ud
Partial garage conversion to habitable accommodation and insertion of door to side elevat…
2022
With conditions
8 Rosemary Drive London Colney Hertfordshire Al2 1Ud
Loft conversion into habitable accommodation with rear rooflights and insertion of window…
2022
With conditions
8 Rosemary Drive London Colney Hertfordshire Al2 1Ud
Loft conversion into habitable accommodation with rear rooflights and insertion of window…
2022
Approved
18 Rosemary Drive London Colney Hertfordshire Al2 1Ud
T1 - Goat Willow - To fell the self set tree, this has grown too close to the fence and t…
2022
Approved
18 Rosemary Drive London Colney Hertfordshire Al2 1Ud
T1 - Goat Willow - To fell the self set tree, this has grown too close to the fence and t…
2016
Approved
15 Rosemary Drive London Colney Al2 1Ud
A1 - 2 x Willow Trees - Fell The trees shade the property and could cause damage to the f…
2016
With conditions
38 Rosemary Drive London Colney Hertfordshire Al2 1Ud
Loft conversion and partial garage conversion to habitable accommodation, addition of win…
2016
With conditions
38 Rosemary Drive London Colney Hertfordshire Al2 1Ud
Loft conversion and partial garage conversion to habitable accommodation, addition of win…
2016
With conditions
36 Rosemary Drive London Colney Hertfordshire Al2 1Ud
Loft conversion
2016
With conditions
36 Rosemary Drive London Colney Hertfordshire Al2 1Ud
Loft conversion
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