4 Townsend Lane Harpenden Hertfordshire AL5 2QE Data via plota.co.uk

5/2026/1211 - HSE Approved

Proposal

Conversion of existing garage into a living room. New and replacement doors, windows & roof light to the existing house, with minor internal layout alterations. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
23 Jun 2026
✓
Validated
24 Jun 2026
✓
Approved
4 Sept 2026

Approved on 4 Sept 2026 · Delegated · Last checked 9 Sept 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.

Sales history 2

Last sold for £1,610,000 in September 2025. Semi-detached house, freehold.

3 September 2025£1,610,000
30 April 1996£196,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

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Important details

Council
St Albans
Application type
HSE
Postcode
AL5 2QE
Received
23 Jun 2026
Validated
24 Jun 2026
Ward
Harpenden West
Parish
HARPENDEN TOWN
Case officer
Show
Target decision
8 Aug 2026
Decision
DC3 Conditional Permission
Decision date
4 Sept 2026
Decision level
Delegated
Applicant
Show

How this decision compares

Decided in 72 days from validation, 9 days faster than St Albans's median of 81 for extensions. Approved, as 85% of extensions here are.

28%decided within 8 weeks
85%approved
633decided 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
322405PLN
Planning Portal ref
14997993
Comments by
8 Aug 2026
Site or press notice
16 Jul 2026
Statutory expiry
18 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

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.