2018
75 Station Road Harpenden Hertfordshire AL5 4RL Data via plota.co.uk
5/2026/1684 - HSE
Under Consultation
Proposal
Erection of a single-storey detached garden room to the rear of the garden, for incidental use as a hobby room Data via plota.co.uk
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View original council record ↗Last checked
Application progress
✓
Received
14 Sept 2026
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Validated
15 Sept 2026
Decision
Expected by 11 Nov 2026
This application is under consideration - no decision has been issued yet. Plota predicts a decision between 22 Nov 2026 and 16 Dec 2026, from St Albans's recent extensions. Comments are open until 11 Nov 2026.
Comment on this application ↗Site constraints 2
Also on the record
Local nature reserve about 338 m away: Batford Springs; Inside the Harpenden built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site
Checked on 15 September 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Sales history 2
Last sold for £900,000 in November 2013. Detached house, freehold.
28 November 2013£900,000
20 September 2007£720,000
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
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Other new applications on this street
3 Sept 2026Pending
29 Station Road Harpenden Hertfordshire AL5 4XB
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13 Jul 2026Pending
12 Station Road Harpenden Hertfordshire AL5 4SE
Construction of a 2 storey detached unit at the rear of the site to provide a gr...
25 Jun 2026Pending
82 Station Road Harpenden Hertfordshire AL5 4TZ
Part single, part two storey rear and single storey side extensions following de...
8 Jun 2026Pending
14 Station Road Harpenden Hertfordshire AL5 4SE
Advertisement Consent - Display of one externally illuminated fascia sign and on...
Nearby new applications
30 Sept 2026Pending
Units 6 & 7 Batford Mill Lower Luton Road Harpenden AL5 5ES
Variation of Condition 2 (approved plans) to revise internal layout of four stor...
30 Sept 2026Pending
32 West Way Harpenden AL5 4RD
Part single storey, part two storey side and rear extension, new hipped crown ro...
24 Sept 2026Pending
5 Carisbrooke Road Harpenden Hertfordshire AL5 5QS
PP-15246508
17 Sept 2026Pending
45 Granby Avenue Harpenden Hertfordshire AL5 5QP
T1 Beech - Crown lift over highway to height of 6m to prevent vehicle strike and...
17 Sept 2026Pending
7 Courtfields Harpenden Hertfordshire AL5 5RX
Construction of a single-storey front extension incorporating a new pitched roof...
3 Sept 2026Pending
29 Station Road Harpenden Hertfordshire AL5 4XB
T1 Sequoia - Crown reduction by 3m approx and crown thin by 10%, reduce dispropo...
Important details
Decision outlook
Day 20 of the 56-day target. St Albans usually decides extensions by day 81.
Day 2061 days to the predicted decision (day 81)
28%decided within 8 weeks
85%approved
618decided in the last year
Plota live figures for extensions decided by St Albans in the last twelve months, from validation. St Albans decision record →
Consultation & key dates
- Alt. reference
- 323808PLN
- Planning Portal ref
- 15195840
- Comments by
- 11 Nov 2026
- Statutory expiry
- 9 Nov 2026
Historical activity at this location
26 previous applications on record - archival context, not part of the live application.
This property
Previous applications at this address
Within ~100m
Nearby activity
2025
Approved
146 Station Road Harpenden Hertfordshire Al5 4Rh
Proposed two storey side extension, two storey rear extension, single storey rear extensi…
2025
Approved
146 Station Road Harpenden Hertfordshire Al5 4Rh
Proposed two storey side extension, two storey rear extension, single storey rear extensi…
2025
39 Carisbrooke Road Harpenden Hertfordshire Al5 5Qs
Single storey rear extension, loft extension with rear box dormer roof, alterations to ex…
2025
39 Carisbrooke Road Harpenden Hertfordshire Al5 5Qs
Single storey rear extension, loft extension with rear box dormer roof, alterations to ex…
2025
Approved
31 Carisbrooke Road Harpenden Hertfordshire Al5 5Qs
Proposed single storey ground rear, two storey side, front porch enclosure, floor plan re…
2025
Approved
31 Carisbrooke Road Harpenden Hertfordshire Al5 5Qs
Proposed single storey ground rear, two storey side, front porch enclosure, floor plan re…
2025
Approved
126 Station Road Harpenden Hertfordshire Al5 4Rh
Alterations to existing access and hardstanding including new fencing. New vehicle crosso…
2025
Approved
126 Station Road Harpenden Hertfordshire Al5 4Rh
Alterations to existing access and hardstanding including new fencing. New vehicle crosso…
2024
Approved
126 Station Road Harpenden Hertfordshire Al5 4Rh
Demolition of garage building. Part single, part two storey rear extension. Single storey…
2024
Approved
126 Station Road Harpenden Hertfordshire Al5 4Rh
Part single, part two storey rear and single storey side extensions
2023
Refused
144 Station Road Harpenden Hertfordshire Al5 4Rh
Single storey rear extension with rooflights, garage conversion to habitable accommodatio…
2023
Refused
144 Station Road Harpenden Hertfordshire Al5 4Rh
Single storey rear extension with rooflights, garage conversion to habitable accommodatio…
2023
138 Station Road Harpenden Hertfordshire Al5 4Rh
Demolition of conservatory and construction of part single, part two storey rear extensio…
2023
138 Station Road Harpenden Hertfordshire Al5 4Rh
Demolition of conservatory and construction of part single, part two storey rear extensio…
2022
Refused
138 Station Road Harpenden Hertfordshire Al5 4Rh
Demolition of conservatory and construction of part single, part two storey rear extension
2022
Refused
138 Station Road Harpenden Hertfordshire Al5 4Rh
Demolition of conservatory and construction of part single, part two storey rear extension
2021
Approved
81 Station Road Harpenden Hertfordshire Al5 4Rl
Erection of two storey side extension, part two storey rear extension, part single storey…
2021
Approved
81 Station Road Harpenden Hertfordshire Al5 4Rl
Erection of two storey side extension, part two storey rear extension, part single storey…
2021
Approved
75 Station Road Harpenden Hertfordshire Al5 4Rl
Single storey side and rear extension with rooflights, roof lantern, overhang and rear de…
2021
Approved
75 Station Road Harpenden Hertfordshire Al5 4Rl
Single storey side and rear extension with rooflights, roof lantern, overhang and rear de…
2018
Approved
140 Station Road Harpenden Hertfordshire Al5 4Rh
Alteration to existing dropped kerb
2017
Approved
128 Station Road Harpenden Hertfordshire Al5 4Rh
Single storey rear extension, rear rooflights and alterations to openings
2017
Approved
77 Station Road Harpenden Hertfordshire Al5 4Rl
Dropped kerb, alterations to access and hardstanding with front and side retaining walls…
2016
Approved
140 Station Road Harpenden Hertfordshire Al5 4Rh
Single storey side and rear extensions, first floor rear extension, loft conversion, rear…
2016
Approved
140 Station Road Harpenden Hertfordshire Al5 4Rh
Single storey side and rear extensions, first floor rear extension, loft conversion, rear…
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 statistics
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
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
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75 Station Road Harpenden Hertfordshire AL5 4RL
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