35 Westerdale Hemel Hempstead Hertfordshire HP2 5TX Data via plota.co.uk

26/01283/RET - Retention of Development Approved

Proposal

Construction of external rear stairs and single storey infill extension to facilitate the retention of subdivision of townhouse. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
9 Jun 2026
✓
Validated
17 Jul 2026
✓
Consultation
31 Jul 2026
✓
Approved
25 Sept 2026

Approved on 25 Sept 2026 · Delegated Decision · Last checked 25 Sept 2026

Documents 16

All documents on the council site ↗

Site constraints 6

Local nature reserve 45 m away: Howe Grove Wood
Work nearby can need a habitats assessment.
Harm to a protected site is only accepted where there is no alternative and an overriding public interest.
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Also on the record
Radon affected area, class 3; Inside the Hemel Hempstead built-up area; Green belt 45 m away: London; Priority habitat 46 m away: Deciduous woodland.
Not affected
Outside flood zones 2 and 3 · No listed building at the site · No scheduled monument at the site

Checked on 6 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.

Sales history 2

Last sold for £173,000 in December 2003. Terraced house, freehold.

19 December 2003£173,000
30 August 1996£64,995

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

Building

Floor area131 m² (1,410 sq ft)
Energy ratingD (65 out of 100), could reach B
PropertyMid-terrace house, 5 habitable rooms
Built1967 to 1975
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, no insulation (assumed)

From the energy performance certificate lodged in March 2024, 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
Retention of Development
Postcode
HP2 5TX
Received
9 Jun 2026
Validated
17 Jul 2026
Ward
Highfield
Parish
Hemel Hempstead (No Parish)
Case officer
Show
Target decision
25 Sept 2026
Decision
Grant Permission/Consent
Decision date
25 Sept 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Aubrey Technical Services Ltd

How this decision compares

Decided in 70 days from validation, 20 days slower than Dacorum's median of 50 for extensions. Approved, as 89% of extensions here are.

87%decided within 8 weeks
89%approved
654decided 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.

12 neighbours consulted · Last counted 25 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-14981568
Planning Portal ref
PP-14981568
Neighbours
31 Jul 2026
Consultation
31 Jul 2026
Comments by
21 Aug 2026
Site or press notice
18 Jun 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

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

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.