Danesby Redbourn Lane Hatching Green Harpenden Hertfordshire AL5 2JY Data via plota.co.uk

5/2026/0871 - HSE Approved

Proposal

Single storey rear extension and part first floor rear infill extension. Single storey front infill extension. Conversion of garage into habitable accommodation, re-painting of existing external walls, and new windows and doors throughout. Demolition of c… Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
5 May 2026
✓
Validated
29 May 2026
✓
Approved
21 Sept 2026

Approved on 21 Sept 2026 · Delegated · Last checked 5 Oct 2026

Site constraints 7

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
Radon affected area, class 3; 1 listed building within 150 m of the postcode pin; Inside the Harpenden built-up area; Green belt about 27 m away: London; Open access land about 12 m away: Access Land - Combined Open Country, Registered Common Land and Section 16 Dedicated Land. MoD Byelaw, Section 28 Exclusions, Racecourses and Aerodromes and ECP Margin have been removed.; Priority habitat about 28 m away: Deciduous woodland.
Not affected
Outside flood zones 2 and 3 · No scheduled monument at the site

Checked on 6 October 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, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) 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
HSE
Postcode
AL5 2JY
Received
5 May 2026
Validated
29 May 2026
Ward
Harpenden South
Parish
HARPENDEN TOWN
Case officer
Show
Target decision
19 Sept 2026
Decision
DC3 Conditional Permission
Decision date
21 Sept 2026
Decision level
Delegated
Applicant
Show

Consultation & key dates

Alt. reference
321369PLN
Planning Portal ref
14907153
Comments by
19 Sept 2026
Site or press notice
4 Jun 2026
Statutory expiry
23 Jul 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