23 Gills Hill Lane Radlett Hertfordshire WD7 8DE

25/1037/HSEHouseholder ApplicationApproved

Householder

Approved on 6 January 2026

Council decision: Grant PermissionDelegated (officer decision)4 conditions

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

Demolition of garage and conservatory. Part single part two storey rear extension, single storey front and side extension, conversion of loft to habitable space including hip to gable roof alterations, side dormer and 5x roof lights. Alterations to fenestration and associated hard and soft landscaping works. (Retrospective).

Received: 14 July 2025
Decision level: Delegated (officer decision)
Public comments: 7
Council: Hertsmere Borough Council
Ward: Aldenham West
Agent: Bryant and Moore Architects Ltd

ReceivedReceived14 Jul
ValidatedValidated14 Jul
Consult.Consultation23 Dec
TargetTarget Date8 Jan
DecidedDecided6 Jan

Decided in 176 days (council typically 56)

About this application

This is a full planning application for demolition at 23 Gills Hill Lane Radlett Hertfordshire WD7 8DE. Hertsmere has handled 1,861 applications of this type. This one was decided in 176 days, 17 weeks longer than Hertsmere's typical decision time. There have been 5 other applications 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.

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: WD7 8DE
Application type: Householder Application
Scale / size: Medium
Parish: Aldenham Parish

Planning application dates

Date validated: 14 July 2025
Consultation expiry: 23 December 2025
Consultation start: 8 January 2026
Consultation end: 23 December 2025
Neighbour consultation start: 8 January 2026
Neighbour consultation end: 23 December 2025
Last date for comments: 23 December 2025
Target decision date: 8 January 2026
Decision issued: 8 January 2026
Permission expires: 8 January 2029

Applicant and agent

Agent: Bryant and Moore Architects Ltd
Agent address: 19-25 Salisbury Square Old Hatfield AL9 5BT

Planning decision

Statutory period: 178 days

Additional information

Planning Portal ID: PP-14171045
Documents: 18
Constraints: 10

Site constraints

Checking the site

2/3

Council recordsAppealsFlood risk

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.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Planning history at this site

5 other applications at this property, newest first.

Source: Hertsmere

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