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35 Cobden Hill Radlett Hertfordshire WD7 7JL

24/1585/CLPCertificate Proposed Lawful Use/DevApproved
Outline / PiP

Approved on 29 January 2025

Council decision: Grant Lawful Certificate (Proposed Dev)Delegated (officer decision)

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

Construction of single storey rear extension with lantern rooflight, conversion of loft to habitable space with associated hip to gable roof alterations to include rear dormer and insertion of 2x front rooflights, and alterations to fenestration. Construction of detached outbuilding. Certificate of Lawful Development (Proposed).

Received
6 December 2024
Decision level
Delegated (officer decision)
Public comments
1
Ward
Aldenham East
Agent
Sole Concepts Limited
  1. Received6 Dec
  2. Validated6 Dec
  3. Consult.
  4. Target31 Jan
  5. Decided29 Jan

Decided in 54 days (council typically 56)

About this application

This is an outline application for a single storey rear extension at 35 Cobden Hill Radlett Hertfordshire WD7 7JL. Hertsmere has handled 952 applications of this type. This one was decided in 54 days. 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.

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.Planning something similar? See what gets approved on your street

Application details

Postcode
WD7 7JL
Application type
Certificate Proposed Lawful Use/Dev
Scale / size
Small
Parish
Aldenham Parish

Planning application dates

Date validated
6 December 2024
Neighbour consultation start
30 January 2025
Target decision date
31 January 2025
Decision issued
30 January 2025
Permission expires
30 January 2028

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
56 days

Additional information

Planning Portal ID
PP-13618416
Documents
11
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.

© 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

5 other applications at this property, newest first.

  1. 2026
    20 Feb

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

    ApprovedHouseholder26/0225/HSE
  2. 2024
    11 Oct

    Construction of single storey rear extension. Conversion of loft to habitable space with hip to gable roof…

    RefusedCertificate Proposed Lawful Use/Dev24/1317/CLP
  3. 2024
    7 Aug

    Single storey side and rear extensions with relocation of front door. Conversion of loft to habitable space…

    RefusedCertificate Proposed Lawful Use/Dev24/1026/CLP
  4. 2024
    17 Apr

    Front boundary works to include extension to existing dropped kerb.

    WithdrawnHouseholder24/0512/HSE
  5. 2024
    11 Apr

    Single storey side extension and part single, part two-storey rear extension.

    ApprovedHouseholder24/0488/HSE

Source: Hertsmere

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