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Planning application

21/1159/CLP

14 Penshurst Road Potters Bar Hertfordshire EN6 5JR

Granted Hertsmere Certificate Proposed Lawful Use/Dev

Proposal

Conversion of loft to habitable space to include rear dormer with Juliet balcony, insertion of window to side elevation, 2 x front roof lights and removal of chimney stack. Certificate of Lawful Development (Proposed).

As published by the council, reference 21/1159/CLP

Timeline

Dates from the published record

  1. 1 Jun 2021

    Received by Hertsmere

  2. 19 Jul 2021

    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

  • 26/0698/FUL Granted

    67 Cotton Road Potters Bar Hertfordshire EN6 5JJ

    Change of use from a 6 occupant HMO (use class C4) to a house of multiple occupancy for 7 occupants (HMO - Sui Generis), front boundary works to include dropped kerb, vehicular hardstanding and bin and bike storage.

    21 May 2026 77m away Full applications
  • 21/1122/HSE Granted

    13 Penshurst Road Potters Bar Hertfordshire EN6 5JP

    Single storey rear extension

    25 May 2021 79m away Householder
  • 22/2121/HSE Granted

    9 Penshurst Road Potters Bar Hertfordshire EN6 5JP

    Conversion of garage to habitable room increasing the roof height to include loft accommodation, installation of rear dormer and 2 front roof lights (Amended description and plans received 09.03.23).

    20 Dec 2022 98m away Householder
  • 26/0704/TPO Granted

    2 The Spinney Potters Bar Hertfordshire EN6 5HH Potters Bar Hertfordshire EN6 5HH

    Within G2. T1 OAK. Reduce from 19m by 1.3m to 17.5m. Reduce spread from 10m to 8m.

    22 May 2026 105m away Trees
  • 21/1215/HSE Granted

    9 Trewenna Drive Potters Bar Hertfordshire EN6 5JW

    Conversion of garage to habitable room with change from garage door to window.

    8 Jun 2021 160m away Householder
  • 26/0836/HSE Awaiting decision

    Rosewood 47 The Causeway Potters Bar Hertfordshire EN6 5HF

    Construction of single storey front and side extension to garage with pitched roof.

    16 Jun 2026 190m away Householder

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