28 Whitehouse Avenue Borehamwood Hertfordshire WD6 1HD
Approved on 9 April 2026
Council decision: Grant Permission3 conditions
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
Construction of part single, part two storey side and rear extension, and rear outbuilding for office and gym use with 1x rooflight to front and rear.
- Received
- 13 February 2026
- Public comments
- 3
- Council
- Hertsmere Borough Council
- Ward
- Borehamwood Hillside
- Agent
- SMA Studio Barnet Ltd
- ReceivedReceived13 Feb
- ValidatedValidated13 Feb
- Consult.Consultation17 Mar
- TargetTarget Date10 Apr
- DecidedDecided9 Apr
Decided in 55 days (council typically 56)
About this application
This is a full planning application for a rear extension at 28 Whitehouse Avenue Borehamwood Hertfordshire WD6 1HD. Hertsmere has handled 1,861 applications of this type. This one was decided in 55 days. There have been 2 other applications at this address. In the past year there have been 87 applications across Borehamwood Hillside. We hold 1,685 applications in total for the WD6 postcode area.
90% of full 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 1HD
- Application type
- Householder Application
- Scale / size
- Small
- Parish
- Elstree & Borehamwood Town Council
Planning application dates
- Date validated
- 13 February 2026
- Consultation expiry
- 17 March 2026
- Consultation start
- 24 February 2026
- Consultation end
- 17 March 2026
- Neighbour consultation start
- 24 February 2026
- Neighbour consultation end
- 17 March 2026
- Last date for comments
- 17 March 2026
- Target decision date
- 10 April 2026
Applicant and agent
- Agent
- SMA Studio Barnet Ltd
- Architect profile
- SMA STUDIO BARNET LTD
- Agent address
- 35 Grimsdyke Crescent Barnet Hertfordshire EN5 4AQ
Planning decision
- Statutory period
- 56 days
Additional information
- Planning Portal ID
- PP-14701823
- Documents
- 21
- Constraints
- 11
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
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For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Ihl Builders LtdBorehamwoodNew BuildsExtensions0.2 mi
- Regent Technical Facilities LtdAlternative Power SuppliesBuilding controls0.2 mi
- Eds ElectricElectrician0.2 mi
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