21 Thornbury Gardens Borehamwood Hertfordshire WD6 1RB
Refused on 17 January 2024
Council decision: Refuse to Grant CertificateDelegated (officer decision)
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 loft to habitable space with hip to gable roof alterations to include rear dormer, insertion of 2 x front roof lights, and alterations to fenestration. Certificate of Lawful Development (Proposed).
- Received
- 8 December 2023
- Decision level
- Delegated (officer decision)
- Council
- Hertsmere Borough Council
- Ward
- Borehamwood Kenilworth
- Agent
- p. w. roseman associates limited
- ReceivedReceived8 Dec
- ValidatedValidated8 Dec
- Consult.Consultation2 Jan
- TargetTarget Date2 Feb
- DecidedDecided17 Jan
Decided in 40 days (council typically 56)
About this application
This is an outline application for a dormer extension at 21 Thornbury Gardens Borehamwood Hertfordshire WD6 1RB. Hertsmere has handled 952 applications of this type. This one was decided in 40 days, 2 weeks quicker than Hertsmere's typical decision time. There have been 2 other applications at this address. In the past year there have been 71 applications across Borehamwood Kenilworth. We hold 1,685 applications in total for the WD6 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
Application details
- Postcode
- WD6 1RB
- Application type
- Certificate Proposed Lawful Use/Dev
- Scale / size
- Small
- Parish
- Elstree & Borehamwood Town Council
Planning application dates
- Date validated
- 8 December 2023
- Consultation expiry
- 2 January 2024
- Consultation start
- 12 December 2023
- Consultation end
- 2 January 2024
- Last date for comments
- 2 January 2024
- Target decision date
- 2 February 2024
Applicant and agent
- Agent
- p. w. roseman associates limited
- Architect profile
- P W ROSEMAN ASSOCIATES LIMITED
- Agent address
- 8 The Firs St. Albans AL1 1UN
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.
Planning history at this site
2 other applications at this property, newest first.
Source: Hertsmere
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Around this site
Nearby applications
- 26 Featherstone Gardens Borehamwood Hertfordshire WD6 2LW25/0284/PD42 · OutlineRefused0.1 mi
- 52 Thornbury Gardens Borehamwood Hertfordshire WD6 1RE25/1621/CLP · OutlineApproved0.1 mi
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For applicants and trades
Contractors near this project
Find contractors for loft conversions near this site- Dg Electrix LimitedElectrician0.0 mi
- Noble Building & Electrical Services LtdBorehamwood0.2 mi
- SOS Electricals & Services LtdElectrician0.2 mi
- JFL Building LtdElectrician0.3 mi
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