15 Radlett Park Road Radlett Hertfordshire WD7 7BG Data via plota.co.uk
Proposal
Part single part two storey side extension, increase in ridge height and the conversion of loft to habitable space with alterations to fenestration and new external finishes. Enlargement of front driveway (Amended description 29/09/2026) Data via plota.co.uk
Application progress
Approved on 22 Oct 2026 · Delegated Decision · Last checked 27 Oct 2026
Documents 22
Plans & drawings 13
Application forms 1
Consultation & comments 8
Site constraints 3
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 £821,000 in July 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 October 2024, the latest held for this property. The building may have changed since. View the certificate
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Important details
- Council
- Hertsmere
- Application type
- Householder Application
- Postcode
- WD7 7BG
- Received
- 11 Feb 2026
- Validated
- 11 Feb 2026
- Ward
- Aldenham East
- Parish
- Aldenham Parish
- Case officer
- Show
- Target decision
- 26 Oct 2026
- Decision
- Grant Permission
- Decision date
- 22 Oct 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- HOME EXTENSION DESIGNS LTD
How this decision compares
Decided in 253 days from validation, 198 days slower than Hertsmere's median of 55 for extensions. Approved, as 86% of extensions here are.
Plota live figures for extensions decided by Hertsmere in the last twelve months, from validation. Hertsmere decision record →
Public comments
No public comments yet.
11 neighbours consulted · Last counted 27 Oct 2026
Consultation & key dates
- Alt. reference
- PP-14690584
- Planning Portal ref
- PP-14690584
- Neighbours
- 1 Oct 2026
- Consultation
- 30 Sept 2026
- Comments by
- 22 Oct 2026
- Statutory expiry
- 26 Oct 2026
- Env. assessment
- No
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
Hertsmere is slower than most councils at deciding householder applications, ranking #243 out of 296. 55% of applications have the time limit extended, above the 41% national average. Householder applications are slightly more likely to be approved here (94%) 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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15 Radlett Park Road Radlett Hertfordshire WD7 7BG
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