12 West Common Grove Harpenden Hertfordshire AL5 2LL Data via plota.co.uk
Under Consultation
5/2026/1176 - HSE
Description
Single storey side extension including new garage following demolition of existing garage Alterations to front elevation of main house comprising the removal of the existing feature timbers and rendered panels and replacement with brick slips to ground fl… Data via plota.co.uk
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Other new applications on this street
Nearby new applications
28 West Common Way Harpenden Hertfordshire AL5 2LG
T1 - oak tree reduce north east side of Oak tree by 3m. This tree has been heavi...
6A High Elms Harpenden Hertfordshire AL5 2JU
Lawson Cypress - to be removed - the tree appears to be dead / dying - there are...
14 West Common Grove Harpenden Hertfordshire AL5 2LL
Post - ppf requested
19 West Common Grove Harpenden Hertfordshire AL5 2AT
A large maple tree requires a reduction of c 30%
Wedgewood Hyde East Common Harpenden AL5 1DD
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31A West Common Way Harpenden Hertfordshire AL5 2LH
T1 Scotts Pine (poor condition and vigour) - Fell
Historical activity at this location
37 previous applications on record - archival context, not part of the live application.
This property
Previous applications at this address
2021
Refused
Ground and first floor side extension with first floor accommodation contained within the…
2021
Refused
Ground and first floor side extension with first floor accommodation contained within the…
2017
Approved
Variation of Condition 2 (approved plans) for planning permission 5/2015/3567 dated 08/02…
2017
Approved
Single storey side and rear extension and roof alterations to existing garage
2016
Approved
Discharge of Conditions 6 (retained trees), 8 (hedgerow protection) and 9 (landscape prop…
2016
Approved
Discharge of Conditions 6 (retained trees), 8 (hedgerow protection) and 9 (landscape prop…
2016
Approved
Discharge of Conditions 7 (method statement for the protection of trees) and 8 (retention…
2016
Approved
Discharge of Conditions 7 (method statement for the protection of trees) and 8 (retention…
2016
Approved
Discharge of Conditions 6 (retained trees) , 7 (method statement for the protection of tr…
2016
Approved
Discharge of Conditions 6 (retained trees) , 7 (method statement for the protection of tr…
2016
Approved
Discharge of Condition 3 (samples of materials) of planning permission 5/2015/3567 dated…
2016
Approved
Discharge of Condition 3 (samples of materials) of planning permission 5/2015/3567 dated…
Within ~100m
Nearby activity
2025
Approved
45 Barlings Road Harpenden Hertfordshire Al5 2Bj
Ash (2) - Fell (treat stumps with eco-plugs to prevent regrowth) 2 Elm???s (dead) - Fell
2025
Approved
45 Barlings Road Harpenden Hertfordshire Al5 2Bj
Ash (2) - Fell (treat stumps with eco-plugs to prevent regrowth) 2 Elm???s (dead) - Fell
2025
Approved
Gray Corners West Common Grove Harpenden Hertfordshire Al5 2Le
G1 Ash, Lawson Cypress & Leylandii - Fell T2 Yew - Fell T3 Field Maple - Fell T4 Oak - Cr…
2025
Approved
Gray Corners West Common Grove Harpenden Hertfordshire Al5 2Le
G1 Ash, Lawson Cypress & Leylandii - Fell T2 Yew - Fell T3 Field Maple - Fell T4 Oak - Cr…
2025
41 Barlings Road Harpenden Hertfordshire Al5 2Bj
T1 - Maple reduce the crown by 50% to allow more light into the garden. This will also li…
2025
41 Barlings Road Harpenden Hertfordshire Al5 2Bj
T1 - Maple reduce the crown by 50% to allow more light into the garden. This will also li…
2025
Refused
14 West Common Grove Harpenden Hertfordshire Al5 2Ll
Single storey front, rear and side extension, internal alterations to openings, solar pan…
2025
Refused
14 West Common Grove Harpenden Hertfordshire Al5 2Ll
Single storey front, rear and side extension, internal alterations to openings, solar pan…
2025
Approved
36 Barlings Road Harpenden Hertfordshire Al5 2Bj
Liquidambar - Crown reduction by 1-2m
2025
Approved
36 Barlings Road Harpenden Hertfordshire Al5 2Bj
Liquidambar - Crown reduction by 1-2m
2024
Approved
14 West Common Grove Harpenden Hertfordshire Al5 2Ll
A single Oak on the common land we own opposite our property and adjacent to the BT pole…
2024
Approved
36 Barlings Road Harpenden Hertfordshire Al5 2Bj
Demolition of existing garage and side extension and construction of two storey side and…
2024
45 Barlings Road Harpenden Hertfordshire Al5 2Bj
T1 Eucalyptus - Fell T2 Yew - Sympathetic prune by 0.5/1m
2023
Approved
36 Barlings Road Harpenden Hertfordshire Al5 2Bj
T1 Scotts Pine to the side - Fell
2023
Approved
36 Barlings Road Harpenden Hertfordshire Al5 2Bj
T1 Scotts Pine to the side - Fell
2022
Approved
Broom Cottage West Common Grove Harpenden Hertfordshire Al5 2Le
Demolition of existing front porch, outbuilding and garage, construction of outbuilding a…
2022
Approved
Broom Cottage West Common Grove Harpenden Hertfordshire Al5 2Le
Demolition of existing front porch, outbuilding and garage, construction of outbuilding a…
2021
Approved
43 Barlings Road Harpenden Hertfordshire Al5 2Bj
Single storey rear extension with rooflights, raising of ridge height and alterations to…
2021
Approved
43 Barlings Road Harpenden Hertfordshire Al5 2Bj
Single storey rear extension with rooflights, raising of ridge height and alterations to…
2021
Approved
15 West Common Grove Harpenden Hertfordshire Al5 2Ll
To reduce 2 x large rear garden Ash trees to previous points. (Over shadowing other trees…
2016
Approved
45 Barlings Road Harpenden Hertfordshire Al5 2Bj
One, five bedroom detached dwelling with basement and detached garage, associated landsca…
2016
Approved
Oak Bank - West Common Close Harpenden Al5 2Lj
Front garden: Remove limb from Birch or completley remove tree. Rear garden: Reduce 2 Bir…
2016
Approved
Oak Bank - West Common Close Harpenden Al5 2Lj
Front garden: Remove limb from Birch or completley remove tree. Rear garden: Reduce 2 Bir…
2016
Approved
41 Barlings Road Harpenden Hertfordshire Al5 2Bj
Demolition of existing and erection of one, detached five bedroom dwelling with associate…
2016
Approved
41 Barlings Road Harpenden Hertfordshire Al5 2Bj
Demolition of existing and erection of one, detached five bedroom dwelling with associate…
St Albans
Planning Authority Score
1.1/10
Poor
#290 of 296 councils
Relevant to this application:
Householder decisions
St Albans is one of the slowest councils in England for householder decisions, ranking #285 out of 296. The council extends the time limit on 64% 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, the year to March 2026
87%
Overall approval rate
Above avg (87%) #180 of 296
88%
Householder approved
Below avg (90%) #226 of 296
29%
Decided in 8 weeks
Below avg (63%) #285 of 296
64%
Extended time limit
Above avg (41%) #278 of 296
74%
Minor dwellings approved
130 decided (1-9 homes)
61%
Major dwellings approved
18 decided (10+ homes)
77%
Change of use approved
26 decided
1,411
Total decisions
184 refused in the year to March 2026