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Planning application

23/0132/CLP

62 Mount Grace Road Potters Bar Hertfordshire EN6 1QZ

Granted Hertsmere Certificate Proposed Lawful Use/Dev

Proposal

Construction of an outbuilding with pitched roof and 4x roof lights to rear garden, to be used as a gym. Certificate of Lawful Development (Proposed).

As published by the council, reference 23/0132/CLP

Timeline

Dates from the published record

  1. 25 Jan 2023

    Received by Hertsmere

  2. 21 Mar 2023

    Decision issued: Grant Lawful Certificate (Proposed Dev)

  3. 24 Jul 2026

    Added to PlanIndex

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

  • 26/0261/HSE Awaiting decision

    72 Mount Grace Road Potters Bar Hertfordshire EN6 1QZ

    Erection of a garden outbuilding.

    27 Feb 2026 71m away Householder
  • 26/0913/HSE Awaiting decision

    78 Mount Grace Road Potters Bar Hertfordshire EN6 1QZ

    Construction of single storey rear extension and patio alterations (part-retrospective).

    3 Jul 2026 113m away Householder
  • 24/1224/VOC Withdrawn

    2 Park Drive Potters Bar Hertfordshire EN6 1UQ

    Application for variation of condition 4 (usage restriction) to allow for flexibility of use following grant of planning permission 23/1575/HSE.

    23 Sep 2024 154m away Amendments
  • 21/1201/HSE Granted

    64 Byng Drive Potters Bar Hertfordshire EN6 1UH

    Erection of front porch and roof alterations to include change in roof shape from hipped to gable, extension to rear dormer and 1 rooflight to front.

    7 Jun 2021 202m away Householder
  • 21/1055/HSE Granted

    98 Billy Lows Lane Potters Bar Hertfordshire EN6 1XL

    Part single/part two storey side and rear extensions and new front porch.

    17 May 2021 215m away Householder
  • 26/1015/CLP Awaiting decision

    24 Mount Grace Road Potters Bar Hertfordshire EN6 1RD

    Construction of a single-storey BBQ within the garden. Certificate of Lawful Development (Proposed).

    22 Jul 2026 229m away Lawful development

In Hertsmere

  • 26/0872/CLP Granted

    118 Theobald Street Borehamwood Hertfordshire WD6 4PA

    Conversion of loft to habitable space with associated hip to gable roof alterations, to include rear dormer, insertion of 3x front rooflights and removal of chimney stack. Certificate of Lawful Development (Proposed).

    24 Jun 2026 Lawful development
  • 26/0681/CLP Granted

    40 Carrington Avenue Borehamwood Hertfordshire WD6 2HA

    Conversion of loft to habitable space to include rear dormer, 3x front rooflights and removal of chimney stack Certificate of Lawful Development (Proposed).

    19 May 2026 Lawful development
  • 26/1014/CLP Awaiting decision

    24 Mount Grace Road Potters Bar Hertfordshire EN6 1RD

    Construction of a single-storey outbuilding within the rear garden. Certificate of Lawful Development (Proposed).

    22 Jul 2026 Lawful development
  • 26/1015/CLP Awaiting decision

    24 Mount Grace Road Potters Bar Hertfordshire EN6 1RD

    Construction of a single-storey BBQ within the garden. Certificate of Lawful Development (Proposed).

    22 Jul 2026 Lawful development
  • 26/1011/CLE Awaiting decision

    6 Brickfield Cottages Theobald Street Borehamwood Hertfordshire WD6 4SD

    Construction of a single-storey detached outbuilding within the rear garden of the existing dwellinghouse for use as a private gym incidental to the enjoyment of the main dwelling (Use Class C3). Certificate of Lawful Development (Existing).

    21 Jul 2026 Lawful development