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Planning application

24/1196/CLP

20 Laurel Avenue Potters Bar Hertfordshire EN6 2AF

Refused Hertsmere Certificate Proposed Lawful Use/Dev

Proposal

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

As published by the council, reference 24/1196/CLP

Timeline

Dates from the published record

  1. 18 Sep 2024

    Received by Hertsmere

  2. 11 Nov 2024

    Decision issued: Refuse to Grant Certificate

  3. 24 Jul 2026

    Added to PlanIndex

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

  • 23/0190/PD42 Granted

    15 Laurel Avenue Potters Bar Hertfordshire EN6 2AF

    Single storey rear extension. Depth: 6.00m, Height: 3.30m, Eaves, 3.00m.

    3 Feb 2023 56m away Prior approval
  • 24/1255/PD42 Refused

    41 Laurel Avenue Potters Bar Hertfordshire EN6 2AB

    Single storey rear extension. Depth: 3.35m, Height: 3.3m, Eaves: 3.1m.

    1 Oct 2024 84m away Prior approval
  • 26/0670/HSE Awaiting decision

    31 Clive Close Potters Bar Hertfordshire EN6 2AD

    Conversion of loft to habitable space, including hip to gable roof alterations, reduction of the constructed roof and rear dormer height (part-retrospective) (Amended Description)

    18 May 2026 94m away Householder
  • 21/1354/PD42 Granted

    52 Laurel Avenue Potters Bar Hertfordshire EN6 2AB

    Construction of single storey rear extension. Depth 6m, Height 3m, Eaves 2.52m.

    28 Jun 2021 114m away Prior approval
  • 21/1182/TPO Refused

    77 Clive Close Potters Bar Hertfordshire EN6 2AD

    T1 OAK. Crown reduce in height from 12m down to 10.5m. To reduce Northern spread from 6m to 5m, Reduce Eastern spread from 7m to 5.5m, reduce Southern side from 6.5m to 5m and to reduce western spread 8m to 6.5m. Lift canopy to a height of 4m above ground level.

    7 Jun 2021 122m away Trees
  • 26/0590/FUL Refused

    66 Laurel Avenue Potters Bar Hertfordshire EN6 2AB

    Demolition of existing detached garage and side extension to facilitate construction of two storey end of terrace house, and subdivision of garden to provide amenity space, parking, cycle and bin storage.

    1 May 2026 162m away Full applications

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