6 Longcroft Avenue Harpenden Hertfordshire AL5 2QZ Data via plota.co.uk
Under Consideration
5/2026/0991 - HSE
Description
Single storey rear extension Data via plota.co.uk
Other new applications on this street
Nearby new applications
47 Park Avenue North Harpenden Hertfordshire AL5 2EE
G1 - Pines x 3 - Remove to ground level to allow light into the rear garden and ...
17 Douglas Road Harpenden Hertfordshire AL5 2EN
G1 Hazel & Purple Leaf Plum - Crown reduction by 1-2m approx (primary cuts) G2 L...
23 Kirkdale Road Harpenden Hertfordshire AL5 2PT
Post - ppf requested
Orchard Avenue Cricket Pavilion Rothamsted Park Leyton Road Harpenden Hertfordshire
requested Julia to create address
20 Hartwell Gardens Harpenden Hertfordshire AL5 2RW
Proposed first floor side extension with new solar panels, new front two-storey ...
1 Townsend Lane Harpenden Hertfordshire AL5 2PY
Two storey side/rear extensions, roof and internal alterations
Historical activity at this location
29 previous applications on record - archival context, not part of the live application.
This property
Previous applications at this address
2021
Approved
Front garden trees. Oak Tree: Remove with stump. 5x Cherry Trees: Remove with stumps/root…
2021
Approved
Front garden trees. Oak Tree: Remove with stump. 5x Cherry Trees: Remove with stumps/root…
2020
Approved
G1 Limes side of house - Pollard back to old pollard points to contain crown spread.
2020
Approved
G1 Limes side of house - Pollard back to old pollard points to contain crown spread.
Within ~100m
Nearby activity
2025
Approved
11 Rosebery Avenue Harpenden Hertfordshire Al5 2Qt
Rear ground and basement floor extensions with associated hard and soft landscaping
2025
Approved
11 Rosebery Avenue Harpenden Hertfordshire Al5 2Qt
Rear ground and basement floor extensions with associated hard and soft landscaping
2024
Approved
1A Rosebery Avenue Harpenden Hertfordshire Al5 2Qt
Installation of rooftop AC unit behind new timber screen in rooftop valley to rear elevat…
2025
10 Longcroft Avenue Harpenden Hertfordshire Al5 2Qz
1- Silver Birch Tree located to the front of the property at 10 Longcroft Avenue, Harpend…
2025
10 Longcroft Avenue Harpenden Hertfordshire Al5 2Qz
1- Silver Birch Tree located to the front of the property at 10 Longcroft Avenue, Harpend…
2025
Approved
8 Longcroft Avenue Harpenden Hertfordshire Al5 2Qz
We have a Hornbeam tree in our rear garden which has died. We seek permission to have it…
2025
Approved
8 Longcroft Avenue Harpenden Hertfordshire Al5 2Qz
We have a Hornbeam tree in our rear garden which has died. We seek permission to have it…
2025
Approved
18 Longcroft Avenue Harpenden Hertfordshire Al5 2Qz
T1 - Maple - Remove and grind stump T2 - Holly - Remove Holly and small bushes - grind st…
2025
Approved
18 Longcroft Avenue Harpenden Hertfordshire Al5 2Qz
T1 - Maple - Remove and grind stump T2 - Holly - Remove Holly and small bushes - grind st…
2024
Approved
9A & 9B Rosebery Avenue Harpenden Hertfordshire Al5 2Qt
Demolition of existing semi-detached duplex properties and construction of two, three bed…
2025
Approved
3 Longcroft Avenue Harpenden Hertfordshire Al5 2Rb
T1 Willow - Pollard (back to pervious pruning points)
2025
Approved
3 Longcroft Avenue Harpenden Hertfordshire Al5 2Rb
T1 Willow - Pollard (back to pervious pruning points)
2025
Approved
19 Longcroft Avenue Harpenden Hertfordshire Al5 2Rd
T1 Western Red Cedar (rear garden) - Crown reduction by 1-2m approx T2 Cypress (front gar…
2025
Approved
19 Longcroft Avenue Harpenden Hertfordshire Al5 2Rd
T1 Western Red Cedar (rear garden) - Crown reduction by 1-2m approx T2 Cypress (front gar…
2025
Approved
The Croft 4 Longcroft Avenue Harpenden Hertfordshire Al5 2Qz
G1 Mixed Vegetation - Fell
2025
Approved
The Croft 4 Longcroft Avenue Harpenden Hertfordshire Al5 2Qz
G1 Mixed Vegetation - Fell
2024
Approved
1A Rosebery Avenue Harpenden Hertfordshire Al5 2Qt
Proposed garage conversion into habitable accommodation, replacement window/doors and alt…
2024
Approved
1 Rosebery Avenue Harpenden Hertfordshire Al5 2Qt
Construction of rear extensions (infill the bottom part that is currently an external ove…
2024
Approved
14 Longcroft Avenue Harpenden Hertfordshire Al5 2Qz
1- Purple Plum- Reduce Purple Plum by 20%, thin and lift off of Path. 2- Reduce Acer - Re…
2024
Approved
8 Longcroft Avenue Harpenden Hertfordshire Al5 2Qz
The Cypress/ Conifer trees at the rear garden - reduce by 1m Cherry - Reduce canopy, crow…
2016
Approved
15 Longcroft Avenue Harpenden Hertfordshire Al5 2Rd
Demolition of existing and erection of two, four bedroom semi-detached dwellings with bas…
2016
Approved
17 Longcroft Avenue Harpenden Al5 2Rd
Fell Scots Pine and Western Red Cedar in front garden implicated in subsidence damage.
2016
Approved
17 Longcroft Avenue Harpenden Al5 2Rd
Fell Scots Pine and Western Red Cedar in front garden implicated in subsidence damage.
2016
Approved
11 Rosebery Avenue Harpenden Al5 2Qt
Reduce crown of Sycamore by 50% (to height of nearby Hazel) in rear garden
2016
Approved
11 Rosebery Avenue Harpenden Al5 2Qt
Reduce crown of Sycamore by 50% (to height of nearby Hazel) in rear garden
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