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Planning application

35 Cobden Hill Radlett Hertfordshire WD7 7JL

Granted Hertsmere 24/1585/CLP Certificate Proposed Lawful Use/Dev

Works: Extension Loft or dormer Roofing Windows or glazing Small domestic

Read from the description, not a valuation. How we read the register

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

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).

As published by the council, reference 24/1585/CLP

Application record

Reference
24/1585/CLP
Type
Certificate Proposed Lawful Use/Dev
Status
Decided
Decision
Granted As published: Grant Lawful Certificate (Proposed Dev)
Received
6 Dec 2024
Validated
6 Dec 2024
Decided
29 Jan 2025
Ward
Aldenham East
Parish
Aldenham Parish
Decision by
Delegated Decision
Postcode
WD7 7JL

Site history

Applications at this address on the Hertsmere register

This site has had 4 applications since 2024: 2 approved, 2 refused.

  • 26/0225/HSE Granted

    35 Cobden Hill Radlett Hertfordshire WD7 7JL

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

    Decided 21 May 2026 Householder
  • 24/1317/CLP Refused

    35 Cobden Hill Radlett Hertfordshire WD7 7JL

    Construction of single storey rear extension. Conversion of loft to habitable space with hip to gable roof alterations to include rear dormer and insertion of 2 x front roof lights. Construction of 2 x detached rear outbuildings. Certificate of Lawful Development (Proposed).

    Decided 3 Dec 2024 Lawful development
  • 24/1026/CLP Refused

    35 Cobden Hill Radlett Hertfordshire WD7 7JL

    Single storey side and rear extensions with relocation of front door. Conversion of loft to habitable space to include hip to gable roof alterations, insertion of 2x front rooflights and construction of rear dormer. Construction of single storey detached outbuilding. Certificate of Lawful Development (Proposed).

    Decided 2 Oct 2024 Lawful development

Timeline

Dates from the published record

  1. 6 Dec 2024

    Received by Hertsmere

  2. 29 Jan 2025

    Decision issued: Grant Lawful Certificate (Proposed Dev)

  3. 10 Oct 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Sole Concepts Limited Agent, registered in Hoddesdon

Active · incorporated 2011 · Hoddesdon

66 applications on PlanIndex · across 11 councils · 88% granted

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Documents

Plans, drawings, consultee responses and the officer's report

11 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

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What this grant of permission means

Hertsmere granted permission on 29 January 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 35 Cobden Hill Radlett Hertfordshire WD7 7JL

    24/1026/CLP Submitted 7 Aug 2024 50 yards away

    Single storey side and rear extensions with relocation of front door. Conversion of loft to habitable space to include hip to gable roof alterations, insertion of 2x front rooflights and construction of rear dormer. Construction of single storey detached outbuilding. Certificate of Lawful Development (Proposed).

    Refused Lawful development Extension Loft or dormer +1 14 docs
    Small domestic

  • 35 Cobden Hill Radlett Hertfordshire WD7 7JL

    26/0225/HSE Submitted 20 Feb 2026 50 yards away

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

    Granted Householder Extension Windows or glazing 10 docs
    Small domestic

  • 35 Cobden Hill Radlett Hertfordshire WD7 7JL

    24/1317/CLP Submitted 11 Oct 2024 50 yards away

    Construction of single storey rear extension. Conversion of loft to habitable space with hip to gable roof alterations to include rear dormer and insertion of 2 x front roof lights. Construction of 2 x detached rear outbuildings. Certificate of Lawful Development (Proposed).

    Refused Lawful development Extension Loft or dormer +1 15 docs
    Small domestic

  • 33 Cobden Hill Radlett WD7 7JL

    TP/10/0085 Submitted 19 Jan 2010 50 yards away

    *Electronic documents only, no paper fileErection of part two storey and first floor rear extensions following demolition of front part of existing garage (Application to extend time limit following approval of TP/06/1571 dated 07/02/07).

    Granted Amendments Extension Demolition 5 docs

  • 43 Cobden Hill Radlett Hertfordshire WD7 7JL

    23/0199/HSE Submitted 6 Feb 2023 50 yards away

    Demolition of existing rear extension, construction of single storey rear extension, single storey side extension to include new front entrance and alterations to fenestration.

    Granted Householder Extension Demolition +1 12 docs
    Small domestic

  • The Cat And Fiddle 14 Cobden Hill Radlett Hertfordshire WD7 7JR

    25/0048/DOC Submitted 16 Jan 2025 100 yards away

    Application for approval of details reserved by conditions 7 (Schedule of works and repairs), 12 (Details of 'making good') and 14 (Details of necessary repairs) of planning permission reference 23/0441/LBC.

    Granted Conditions 9 docs

In Hertsmere

  • 26/1156/CLP Decided

    30 Ladbrooke Drive Potters Bar Hertfordshire EN6 1QR

    Single storey rear extension. Conversion of loft to habitable space with hip-to-gable roof alterations to include rear dormer. Certificate of Lawful Development (Proposed).

    Received 12 Aug, published by the council 25 Aug 2026 Lawful development
  • 26/1494/CLP Awaiting decision

    32 Billy Lows Lane Potters Bar Hertfordshire EN6 1XN

    Demolition of existing garage and temporary shed to facilitate construction of single storey side extension, conversion of loft to habitable space to include hip to gable roof alterations, rear dormer and 4x front rooflights Certificate of Lawful Development (Proposed).

    Received 16 Oct, published by the council 21 Oct 2026 Lawful development
  • 26/1489/CLP Awaiting decision

    6 Minorca Close Bentley Heath Barnet Hertfordshire EN5 4FA

    Erection of detached outbuilding in the rear garden for uses ancillary to the main dwelling. Certificate of Lawful Development (Proposed).

    Received 15 Oct, published by the council 20 Oct 2026 Lawful development
  • 26/1258/CLP Granted

    106 Whitehouse Avenue Borehamwood Hertfordshire WD6 1HE

    Construction of single storey rear extension. Certificate of Lawful Development (Proposed).

    Received 1 Sep, published by the council 8 Sep 2026 Lawful development
  • 26/1247/CLP Decided

    314 Mutton Lane Potters Bar Hertfordshire EN6 2AX

    Conversion of loft to habitable space including hip to gable roof alterations, rear dormer and 2x front roof lights. Certificate of lawful development (Proposed).

    Received 27 Aug, published by the council 4 Sep 2026 Lawful development