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Planning application

78 Mimms Hall Road Potters Bar Hertfordshire EN6 3DX

Refused Hertsmere 21/1324/CLP Certificate Proposed Lawful Use/Dev

Works: Loft or dormer Roofing

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

Proposal

Conversion of loft to habitable space with hip to gable roof alterations to include rear dormer and 5 x front roof lights. Certificate of Lawful Development (Proposed).

As published by the council, reference 21/1324/CLP

Application record

Reference
21/1324/CLP
Type
Certificate Proposed Lawful Use/Dev
Status
Decided
Decision
Refuse to Grant Certificate
Received
23 Jun 2021
Validated
23 Jun 2021
Decided
18 Aug 2021
Ward
Potters Bar Furzefield
Parish
No Parish
Decision by
Delegated Decision
Postcode
EN6 3DX

Timeline

Dates from the published record

  1. 23 Jun 2021

    Received by Hertsmere

  2. 18 Aug 2021

    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

Agent on file, a design practice

88 applications on PlanIndex · across 16 councils · 90% granted

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Documents

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

6 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.

Trade members open them from here.

Open the documents

What refusal means

The process from here

The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.

Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • 78 Mimms Hall Road Potters Bar Hertfordshire EN6 3DX

    21/1325/HSE Submitted 23 Jun 2021 0m away

    Conversion of loft to habitable space with hip to gable roof alterations to include rear dormer and 5 x front roof lights.

    Refused Householder Loft or dormer Roofing 6 docs
    Domestic
  • 62 Mimms Hall Road Potters Bar Hertfordshire EN6 3DU

    21/1073/CLP Submitted 19 May 2021 63m away

    Removal of existing side dormer, construction of hip to gable roof alterations and new rear dormer to create additional loft space with 3 x front roof lights and insertion of window to side elevation. Certificate of Lawful Development (Proposed).

    Granted Lawful development Loft or dormer Roofing +1 7 docs
  • 62 Mimms Hall Road Potters Bar Hertfordshire EN6 3DU

    21/1074/HSE Submitted 19 May 2021 63m away

    Construction of single storey front extension, single storey rear extension with 2 x roof lanterns and alterations to fenestration.

    Granted Householder Extension Windows or glazing 8 docs
    Small domestic
  • 108 Mimms Hall Road Potters Bar Hertfordshire EN6 3DY

    26/0346/HSE Submitted 16 Mar 2026 122m away

    Demolition of detached garage. Single storey rear extension. Insertion of obscured side window.

    Granted Householder Extension Demolition +1 11 docs
    Small domestic
  • 29 Borough Way Potters Bar EN6 3HA

    TP/08/0002 Submitted 3 Jan 2008 135m away

    *Electronic documents only, no paper fileSingle storey rear extension (Amended drawings rec'd 15.2.2008)

    Granted Full applications Extension 7 docs
  • 24 Ormesby Drive Potters Bar Hertfordshire EN6 3DZ

    26/0755/HSE Submitted 3 Jun 2026 154m away

    90% historically approved · decision due ~29 Jul

    Erection of outbuilding following demolition of existing outbuilding.

    Decided Householder Demolition 6 docs
    Small domestic

In Hertsmere

  • 26/1247/CLP Awaiting decision

    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).

    27 Aug 2026 Lawful development
  • 26/1222/CLP Awaiting decision

    37 Duncan Way Bushey Hertfordshire WD23 2BE

    Conversion of loft to habitable space with associated hip to gable roof alterations, rear dormer, insertion of 3x front rooflights and removal of 2x chimney stacks, with side window at loft level. Certificate of Lawful Development (Proposed).

    24 Aug 2026 Lawful development
  • 26/1220/CLP Awaiting decision

    The Farm House The Green Letchmore Heath Watford Hertfordshire WD25 8ES

    Removal of approximately 1.4m of private garden hedge and installation of an inward-opening pedestrian gate and posts, with a maximum overall height of 1.0 metre above existing ground level, wholly within the property boundary. Certificate of Lawful Development (Proposed).

    24 Aug 2026 Lawful development
  • 26/1171/CLP Awaiting decision

    15 Catsey Woods Bushey Hertfordshire WD23 4HS

    Conversion of loft to habitable space with rear dormer and Juliet balcony, 1x window at loft level to each side, and insertion of 1x rear and 3x front rooflights. Certificate of Lawful Development (Proposed).

    14 Aug 2026 Lawful development
  • 26/1156/CLP Awaiting decision

    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).

    12 Aug 2026 Lawful development