10 Highclere Drive Hemel Hempstead Hertfordshire HP3 8BT Data via plota.co.uk

26/02264/FHA - Full Householder Application With planning case officer

Proposal

Two storey front extension, First floor side and rear extension. Part garage conversion. Alteration of rear elevation doors and window openings. Driveway alterations. Relocation of principal entrance. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
15 Oct 2026
✓
Consultation
16 Oct 2026
Decision
Expected by 10 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 4 Dec 2026, from Dacorum's recent extensions.

Comments are open until 6 Nov 2026

Comment on this application ↗

Site constraints 4

Also on the record
Radon affected area, class 3; Inside the Hemel Hempstead built-up area; Green belt 43 m away: London; Priority habitat 45 m away: Good quality semi improved grassland.
Not affected
Outside flood zones 2 and 3 · No listed building at the site · No scheduled monument at the site

Checked on 16 October 2026. 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.

Building

Floor area264 m² (2,842 sq ft)
Energy ratingE (52 out of 100), could reach C
PropertyDetached house, 8 habitable rooms
Built1950 to 1966
HeatingWarm air, mains gas
WallsCavity wall, as built, no insulation (assumed)

From the energy performance certificate lodged in September 2025, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Dacorum
Application type
Full Householder Application
Postcode
HP3 8BT
Received
15 Oct 2026
Validated
15 Oct 2026
Case officer
Show
Decision level
Delegated
Applicant
Show
Agent
D2 Design Studio Limited

Decision outlook

Day 13 of the 56-day target. Dacorum usually decides extensions by day 50.

Day 1343 days to the 56-day target
87%decided within 8 weeks
90%approved
684decided in the last year

Plota live figures for extensions decided by Dacorum in the last twelve months, from validation. Dacorum decision record →

Public comments

No public comments yet.

5 neighbours consulted · Last counted 23 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15292621
Planning Portal ref
PP-15292621
Neighbours
16 Oct 2026
Consultation
16 Oct 2026
Comments by
6 Nov 2026
Env. assessment
No
Dacorum
Planning Authority Score
7.3/10
Good
#51 of 296 councils
Relevant to this application:
Householder decisions

Dacorum is faster than most councils at deciding householder applications, ranking #50 out of 296. Only 22% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Householder applications are slightly more likely to be approved here (91%) than the national average (90%).

Faster than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Dacorum decision statistics
Based on MHCLG data, the year to March 2026
88%
Overall approval rate
Above avg (87%) #150 of 296
91%
Householder approved
Above avg (90%) #171 of 296
78%
Decided in 8 weeks
Above avg (63%) #50 of 296
22%
Extended time limit
Below avg (41%) #22 of 296
76%
Minor dwellings approved
127 decided (1-9 homes)
79%
Major dwellings approved
14 decided (10+ homes)
71%
Change of use approved
21 decided
1,130
Total decisions
132 refused in the year to March 2026

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.