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Planning application

35 Cobden Hill Radlett Hertfordshire WD7 7JL

Refused Hertsmere 24/1317/CLP Certificate Proposed Lawful Use/Dev

Works: Extension Loft or dormer Roofing Small domestic

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

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

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).

As published by the council, reference 24/1317/CLP

Application record

Reference
24/1317/CLP
Type
Certificate Proposed Lawful Use/Dev
Status
Decided
Decision
Refused As published: Refuse to Grant Certificate
Received
11 Oct 2024
Validated
11 Oct 2024
Decided
3 Dec 2024
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
  • 24/1585/CLP Granted

    35 Cobden Hill Radlett Hertfordshire WD7 7JL

    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).

    Decided 29 Jan 2025 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. 11 Oct 2024

    Received by Hertsmere

  2. 3 Dec 2024

    Decision issued: Refuse to Grant Certificate

  3. 18 Aug 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

15 documents on file for this application

  • Delegated report Delegated Report · 04 Dec 2024
  • Decision notice Decision · 04 Dec 2024
  • Application form redacted Application Form · 11 Oct 2024
  • Attachment summary One App Attachments · 11 Oct 2024
  • Location plan Drawing/Plans · 11 Oct 2024
  • Existing floor plans Drawing/Plans · 11 Oct 2024
  • Existing roof plan Drawing/Plans · 11 Oct 2024
  • Proposed loft and roof plan Drawing/Plans · 11 Oct 2024
  • Existing site plan Drawing/Plans · 11 Oct 2024
  • Proposed site plan Drawing/Plans · 11 Oct 2024
  • Proposed outbuilding 01 Drawing/Plans · 11 Oct 2024
  • Existing elevations Drawing/Plans · 11 Oct 2024
  • Proposed outbuilding 02 Drawing/Plans · 11 Oct 2024
  • Proposed elevations Drawing/Plans · 11 Oct 2024
  • Proposed floor plans Drawing/Plans · 11 Oct 2024

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What this refusal means

Hertsmere refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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

    24/1585/CLP Submitted 6 Dec 2024 50 yards away

    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).

    Granted Lawful development Extension Loft or dormer +2 11 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
  • 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