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Planning application

25 Mimms Hall Road Potters Bar Hertfordshire EN6 3BZ

Granted Hertsmere 24/1114/CLP Certificate Proposed Lawful Use/Dev

Works: Loft or dormer Roofing

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

Proposal

Conversion of loft to habitable space including hip to gable roof alterations, rear dormer and 3x front roof lights. Certificate of lawful development (Proposed).

As published by the council, reference 24/1114/CLP

Application record

Reference
24/1114/CLP
Type
Certificate Proposed Lawful Use/Dev
Status
Decided
Decision
Grant Lawful Certificate (Proposed Dev)
Received
29 Aug 2024
Validated
29 Aug 2024
Decided
23 Oct 2024
Ward
Potters Bar Furzefield
Parish
No Parish
Decision by
Delegated Decision
Postcode
EN6 3BZ

Timeline

Dates from the published record

  1. 29 Aug 2024

    Received by Hertsmere

  2. 23 Oct 2024

    Decision issued: Grant Lawful Certificate (Proposed Dev)

  3. 9 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Agent on file

89 applications on PlanIndex · across 20 councils · 81% 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.

Trade members open them from here.

Open the documents

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

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

  • 34 Deepdene Potters Bar Hertfordshire EN6 3DD

    26/0625/PD42 Submitted 8 May 2026 113m away

    84% historically approved · decision due ~3 Jul

    Construction of single storey rear extension. Depth: 6.00m, Height: 3.00m, Eaves: 2.80m.

    Decided Extension
    Small domestic
  • 34 Deepdene Potters Bar Hertfordshire EN6 3DD

    26/0685/CLP Submitted 20 May 2026 113m away

    78% historically approved · decision due ~15 Jul

    Conversion of loft to habitable space with hip-to-gable roof alterations to include rear dormer, insertion of 2x front roof lights, and insertion of obscure glazed window to side elevation. Removal of chimney stack. Certificate of Lawful Development (Proposed).

    Decided Lawful development Loft or dormer Roofing +1
  • Orchard House Mutton Lane Potters Bar EN6 3AX

    TP/09/1806 Submitted 16 Oct 2009 121m away

    New glazed entrance beneath existing overhanging canopy incorporating ambulant disabled access steps and wheelchair platform lift, stainless steel balustrade and retrospective application for vehicle access gates to existing car park at rear of building.

    Granted Full applications Windows or glazing 16 docs
  • 29 Deepdene Potters Bar Hertfordshire EN6 3DF

    26/0682/CLP Submitted 19 May 2026 126m away

    78% historically approved · decision due ~14 Jul

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

    Decided Lawful development Loft or dormer Roofing
  • Orchard House Mutton Lane Potters Bar EN6 3AX

    TP/09/2056 Submitted 18 Nov 2009 137m away

    Installation of new shop fronts and associated minor external alterations.

    Granted Full applications 12 docs
  • 62 Mimms Hall Road Potters Bar Hertfordshire EN6 3DU

    21/1073/CLP Submitted 19 May 2021 166m 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

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