10-12 Station Road Harpenden Hertfordshire AL5 4SE Data via plota.co.uk

Proposal

Construction of two storey and single storey over existing rear extension to provide two one-bedroom flats at first floor level and office unit at ground floor level Data via plota.co.uk

View original council record ↗Last checked

Application progress

Received
3 Jun 2026
Validated
29 Jun 2026
Decision
Expected by 25 Jul 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision by 21 Sept 2026, from St Albans's recent extensions. The consultation period closed on 25 Jul 2026.

Site constraints 2

Harpenden conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Council document ↗
Also on the record
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 11 September 2026. 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.

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Important details

Council
St Albans
Application type
MIND
Postcode
AL5 4SE
Received
3 Jun 2026
Validated
29 Jun 2026
Ward
Harpenden West
Parish
HARPENDEN TOWN
Case officer
Show
Target decision
25 Jul 2026
Applicant
Show

Decision outlook

Day 77, past the statutory target. 69% of extensions in St Albans are decided within thirteen weeks, which runs to 28 Sept 2026; extensions of time are common, and the council need not decide on the day. Last seen undecided on 12 Sept 2026.

Day 7721 days past the 56-day target
30%decided within 8 weeks
84%approved
489decided 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
322099PLN
Planning Portal ref
14972346
Comments by
25 Jul 2026
Site or press notice
2 Jul 2026
Statutory expiry
23 Aug 2026
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