7 Roughdown Avenue Hemel Hempstead Hertfordshire HP3 9BH Data via plota.co.uk
Proposal
Single Storey rear extension measuring 6m deep with a maxim ridge height of 3m and maximum Eaves height of 3m Data via plota.co.uk
Application progress
Approved on 13 Sept 2026 · Delegated Decision · Last checked 19 Sept 2026
Documents 15
Decision & officer reports 2
Plans & drawings 12
Application forms 1
Site constraints 7
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 4
Last sold for £535,000 in August 2016. Semi-detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in June 2014, 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
- Householder Prior Approval
- Postcode
- HP3 9BH
- Received
- 6 Aug 2026
- Validated
- 6 Aug 2026
- Ward
- Apsley And Corner Hall
- Parish
- Hemel Hempstead (No Parish)
- Case officer
- Show
- Decision
- Prior Approval Not Required
- Decision date
- 13 Sept 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- The Market Design and Build
How this decision compares
Decided in 38 days from validation, 12 days faster than Dacorum's median of 50 for extensions. Approved, as 90% of extensions here are.
Plota live figures for extensions decided by Dacorum in the last twelve months, from validation. Dacorum decision record →
Public comments
No public comments yet.
Last counted 19 Sept 2026
Consultation & key dates
- Alt. reference
- PP-15131934
- Planning Portal ref
- PP-15131934
- Env. assessment
- No
Historical activity at this location
12 nearby applications on record - archival context, not part of the live application.
Nearby activity
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%).
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.
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7 Roughdown Avenue Hemel Hempstead Hertfordshire HP3 9BH
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