20 The Rose Walk Radlett Hertfordshire WD7 7JS Data via plota.co.uk
Proposal
Part retrospective application for the conversion of the integral garage to habitable accommodation with skylight, including the replacement of the garage door with a window and door, and the proposed erection of a single storey ancillary outbuilding. Data via plota.co.uk
Application progress
Approved on 5 Aug 2026 · Delegated Decision · Last checked 6 Aug 2026
Documents 16
Decision & officer reports 2
Statements & assessments 4
Plans & drawings 8
Application forms 1
Consultation & comments 1
Site constraints 4
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 £1,075,000 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 February 2025, 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 7JS
- Received
- 9 Jun 2026
- Validated
- 9 Jun 2026
- Ward
- Aldenham East
- Parish
- Aldenham Parish
- Case officer
- Show
- Target decision
- 6 Aug 2026
- Decision
- Grant Permission
- Decision date
- 5 Aug 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Concept Planning
How this decision compares
Decided in 57 days from validation, about the council's usual 55 days. 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
8 neighbours consulted · Last counted 6 Aug 2026
Consultation & key dates
- Alt. reference
- PP-14996464
- Planning Portal ref
- PP-14996464
- Neighbours
- 6 Aug 2026
- Consultation
- 6 Aug 2026
- Comments by
- 23 Jul 2026
- Site or press notice
- 2 Jul 2026
- Statutory expiry
- 6 Aug 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
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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20 The Rose Walk Radlett Hertfordshire WD7 7JS
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