River Hall Cottage Old Watling Street Flamstead St Albans Hertfordshire AL3 8HN Data via plota.co.uk
Proposal
Single storey rear extension Data via plota.co.uk
Application progress
Approved on 14 May 2026 · Delegated Decision · Last checked 7 Jul 2026
Documents 14
Decision & officer reports 2
Statements & assessments 3
Plans & drawings 8
Application forms 1
Site constraints 6
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 1
Last sold for £550,000 in January 2025. 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 May 2023, 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
- AL3 8HN
- Received
- 13 Feb 2026
- Validated
- 17 Feb 2026
- Ward
- Watling
- Parish
- Flamstead Parish Council
- Case officer
- Show
- Decision
- Grant Permission/Consent
- Decision date
- 14 May 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Sheldon Peever Studio
How this decision compares
Decided in 86 days from validation, 36 days slower 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-14621100
- Planning Portal ref
- PP-14621100
- Neighbours
- 17 Feb 2026
- Consultation
- 17 Feb 2026
- Comments by
- 10 Mar 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.
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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River Hall Cottage Old Watling Street Flamstead St Albans Hertfordshire AL3 8HN
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