21 Chaucer Close Berkhamsted Hertfordshire HP4 3PP Data via plota.co.uk
Proposal
Single storey rear extension measuring 4.00m deep with a maximum ridge height of 3.70m and a maximum eaves height of 2.50m Data via plota.co.uk
Application progress
Approved on 8 Jul 2026 · Delegated Decision · Last checked 11 Jul 2026
Documents 12
Decision & officer reports 2
Plans & drawings 9
Application forms 1
Site constraints 4
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.
Sales history 4
Last sold for £458,750 in October 2021. 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 August 2020, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate
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Important details
- Council
- Dacorum
- Application type
- Householder Prior Approval
- Postcode
- HP4 3PP
- Received
- 5 Jun 2026
- Validated
- 5 Jun 2026
- Ward
- Berkhamsted West
- Parish
- Berkhamsted Town Council
- Case officer
- Show
- Decision
- Prior Approval Not Required
- Decision date
- 8 Jul 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Langley Planning & Design Ltd
How this decision compares
Decided in 33 days from validation, 17 days faster than Dacorum's median of 50 for extensions. Approved, as 89% of extensions here are.
Plota live figures for extensions decided by Dacorum in the last twelve months, from validation. Dacorum decision record →
Consultation & key dates
- Alt. reference
- PP-14984684
- Planning Portal ref
- PP-14984684
- Neighbours
- 10 Jun 2026
- Consultation
- 10 Jun 2026
- Comments by
- 1 Jul 2026
- Env. assessment
- No
Historical activity at this location
29 previous applications on record - archival context, not part of the live application.
Previous applications at this address
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.
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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21 Chaucer Close Berkhamsted Hertfordshire HP4 3PP
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