2A Goodyers Avenue Radlett Hertfordshire WD7 8BA
Refused on 1 April 2026
Council decision: Refuse to Grant CertificateDelegated (officer decision)1 reason for refusal
Boundary © HM Land Registry, © Ordnance Survey · details
This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.
Proposal
Conversion of garage to habitable space to include replacement of garage door with window. Construction of front porch extension with associated roof works Certificate of Lawful Development (Proposed).
- Received
- 6 February 2026
- Decision level
- Delegated (officer decision)
- Council
- Hertsmere Borough Council
- Ward
- Aldenham West
- Agent
- Evans & Crawley Chartered Surveyor
- ReceivedReceived6 Feb
- ValidatedValidated6 Feb
- Consult.Consultation
- TargetTarget Date3 Apr
- DecidedDecided1 Apr
Decided in 54 days (council typically 56)
About this application
This is an outline application for a porch at 2A Goodyers Avenue Radlett Hertfordshire WD7 8BA. Hertsmere has handled 952 applications of this type. This one was decided in 54 days. There are no previous applications recorded at this address. In the past year there have been 152 applications across Aldenham West. We hold 1,025 applications in total for the WD7 postcode area.
81% of outline applications at Hertsmere Borough Council were approved. Across all application types, the council typically decides in about 8 weeks (median).
Based on decided applications received in the last 3 years.See what's approved near your address
Why it was refused
- The proposed porch would fail to satisfy the criteria contained in Schedule 2, Part 1, Class B (c), Class B condition (b) and Class D (c), of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) because; the proposed porch would have a height that would be more than 3m above ground level. The porch would connect to the existing house and would extend beyond the plane of the existing roof slope which forms the principal elevation of the dwelling house and fronts a highway. The eaves of the original roof would not be maintained or re-instated, and the porch extends beyond the outside face of an external wall of the original dwellinghouse. Condition 3 of planning consent TP/77/0320 which granted the construction of the garage stated that: "The garage shall be used solely for the housing of a private motor vehicle and for no other purpose". It is considered that the restrictions imposed by this condition remain in place, and accordingly the garage cannot be converted to a habitable space. Accordingly, an application for a Certificate of Lawful Development (proposed) should be refused. First Schedule (description of operations) Conversion of garage to habitable space to include replacement of garage door with window. Construction of front porch extension with associated roof works Certificate of Lawful Development (Proposed).
From the council's decision notice.
Application details
- Postcode
- WD7 8BA
- Application type
- Certificate Proposed Lawful Use/Dev
- Scale / size
- Small
- Parish
- Aldenham Parish
Planning application dates
- Date validated
- 6 February 2026
- Target decision date
- 3 April 2026
- Decision issued
- 2 April 2026
Applicant and agent
- Agent
- Evans & Crawley Chartered Surveyor
- Agent address
- Bridge House Water Meadow Chesham HP5 1LF
Planning decision
- Statutory period
- 56 days
Site constraints
Designations that overlap or adjoin the site outline.
- Flood zone 1: Low probability (rivers and sea)
Not published by this council, so not checked: Article 4 directions. Ask the council if these matter.
Possibly incomplete for this council: tree preservation orders.
Also checked, none recorded (22)
flood storage areas, conservation areas, listed buildings, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.
A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.
Data © Crown copyright and others · sources and licences
Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.
© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.
© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.
© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.
Contains Ordnance Survey data © Crown copyright and database right 2026.
Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.
Source: Hertsmere
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