35 Cobden Hill Radlett Hertfordshire WD7 7JL

26/0225/HSEHouseholder ApplicationApproved

Householder

Approved on 21 May 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

Single storey side extension and part single, part two storey rear extension; alterations to fenestration.

Received: 20 February 2026
Decision level: Delegated (officer decision)
Public comments: 3
Council: Hertsmere Borough Council
Ward: Aldenham East
Agent: Sole Concepts Limited

ReceivedReceived20 Feb
ValidatedValidated20 Feb
Consult.Consultation24 Mar
TargetTarget Date22 May
DecidedDecided21 May

Decided in 90 days (council typically 56)

About this application

This is a full planning application for a two storey rear extension at 35 Cobden Hill Radlett Hertfordshire WD7 7JL. Hertsmere has handled 1,861 applications of this type. This one was decided in 90 days, 5 weeks longer than Hertsmere's typical decision time. The site is in 1 listed building nearby. There have been 5 other applications at this address. In the past year there have been 171 applications across Aldenham East. 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.Planning something similar? See what gets approved on your street

Application details

Postcode: WD7 7JL
Application type: Householder Application
Scale / size: Medium
Parish: Aldenham Parish

Planning application dates

Date validated: 20 February 2026
Consultation expiry: 24 March 2026
Consultation start: 3 March 2026
Consultation end: 24 March 2026
Neighbour consultation start: 3 March 2026
Neighbour consultation end: 24 March 2026
Last date for comments: 24 March 2026
Target decision date: 22 May 2026
Decision issued: 22 May 2026
Permission expires: 22 May 2029

Applicant and agent

Agent: Sole Concepts Limited
Architect profile: SOLE CONCEPTS LIMITED
Agent address: First Floor 94-96 High Street Hoddesdon EN11 8HD

Planning decision

Statutory period: 91 days

Additional information

Planning Portal ID: PP-14718960
Documents: 10
Constraints: 10

Site constraints

Checking the site

2/3

Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Conservation area: Radlett SouthNext to the site
Green belt: HertsmereNext to the site
Brownfield land register: Former Cat & Fiddle, Cobden Hill, Radlett, WD7 7JLRegister site at or near this address
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 (19)

flood storage areas, listed buildings, 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 and heritage coasts.

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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