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14 Tilehouse Close Borehamwood Hertfordshire WD6 4AS

25/1833/HSERefused

Refused on 11 March 2026

Council decision: Refuse Permission1 reason for refusal

Approximate site (title boundary)
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

First floor side extension.

Received
22 December 2025
Ward
Borehamwood Brookmeadow
  1. Received22 Dec
  2. Validated22 Dec
  3. Consult.
  4. Target
  5. Decided11 Mar

Decided in 79 days

About this application

This is a planning application for a side extension at 14 Tilehouse Close Borehamwood Hertfordshire WD6 4AS. Hertsmere has handled 7,138 applications of this type. This one was decided in 79 days, 3 weeks longer than Hertsmere's typical decision time. The site is in 4 listed buildings nearby. There have been 2 other applications at this address. In the past year there have been 87 applications across Borehamwood Brookmeadow. We hold 1,685 applications in total for the WD6 postcode area.

Why it was refused

  1. The proposed extension would have a detrimental impact on the residential amenities of the neighbouring properties in terms of significant overbearing impacts, loss of light and sense of enclosure. Therefore, the proposed extension would result in a detrimental impacts on the residential amenities of the neighbours properties and is contrary to the NPPF 2024, Policy CS22 of the Core Strategy, SADM30 of the Site Allocations and Development Management Policies Plan 2016 and Parts D and E of the Planning and Design Guide.

From the council's decision notice.

Application details

Postcode
WD6 4AS
Parish
Elstree & Borehamwood Town Council

Planning application dates

Date validated
22 December 2025

Applicant and agent

Applicant
Private applicant

Planning decision

Case officer
Kirsty Selwood

Appeal history

6008761
Dismissed
Type: Householder (HAS)Procedure: Written RepresentationsDecision: 10 July 2026Dev Type: Householder developmentsReason: refused

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

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 (21)

flood storage areas, conservation areas, 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.

Associated applications

  1. 2025
    22 Dec

    Enclosure of existing porch to front elevation. Certificate of lawful development (Proposed).

    RefusedCertificate Proposed Lawful Use/DevFiled alongside25/1832/CLP
  2. 2025
    22 Dec

    First floor side extension.

    This applicationRefusedApplication25/1833/HSE

Source: Hertsmere

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