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Planning application

4 Gregory Avenue Potters Bar Hertfordshire EN6 5PR

Granted Hertsmere 21/0691/CLP Certificate Proposed Lawful Use/Dev

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

Proposal

Outbuilding to rear. Certificate of lawfulness (Proposed)

As published by the council, reference 21/0691/CLP

Application record

Reference
21/0691/CLP
Type
Certificate Proposed Lawful Use/Dev
Status
Decided
Decision
Granted As published: Grant Lawful Certificate (Proposed Dev)
Received
29 Mar 2021
Validated
29 Mar 2021
Decided
21 May 2021
Ward
Potters Bar Oakmere
Parish
No Parish
Decision by
Delegated Decision
Postcode
EN6 5PR

Site history

Applications at this address on the Hertsmere register

This site has had 3 applications since 2021: 2 approved, 0 refused.

  • 24/1391/CLE Granted

    4 Gregory Avenue Potters Bar Hertfordshire EN6 5PR

    Conversion of loft to habitable space including rear dormer and 3x front roof lights. Certificate of lawful development (Existing).

    Decided 16 Dec 2024 Lawful development
  • 24/1195/CLP Withdrawn

    4 Gregory Avenue Potters Bar Hertfordshire EN6 5PR

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

    Decided 28 Oct 2024 Lawful development

Timeline

Dates from the published record

  1. 29 Mar 2021

    Received by Hertsmere

  2. 21 May 2021

    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

Arkiplan Architectural Ltd Agent, an architecture practice registered in Poole

Active · incorporated 2019 · Poole

312 applications on PlanIndex · across 112 councils · 88% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

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

4 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.

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What this grant of permission means

Hertsmere granted permission on 21 May 2021, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 4 Gregory Avenue Potters Bar Hertfordshire EN6 5PR

    24/1195/CLP Submitted 18 Sep 2024 50 yards away

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

    Withdrawn Lawful development Loft or dormer 15 docs

  • 4 Gregory Avenue Potters Bar Hertfordshire EN6 5PR

    24/1391/CLE Submitted 29 Oct 2024 50 yards away

    Conversion of loft to habitable space including rear dormer and 3x front roof lights. Certificate of lawful development (Existing).

    Granted Lawful development Loft or dormer 16 docs

  • 1 Highview Gardens Potters Bar Hertfordshire EN6 5PP

    13/1773/HSE Submitted 25 Jul 2013 50 yards away

    Loft conversion to provide habitable living accommodation to include 2 front rooflights and a rear dormer window.

    Granted Householder Loft or dormer Windows or glazing 6 docs
    Domestic

  • 24 Southgate Road Potters Bar Hertfordshire EN6 5DZ

    26/0869/HSE Submitted 23 Jun 2026 50 yards away

    92% historically approved · decision due ~18 Aug

    Demolition of existing conservatory to facilitate construction of single storey rear extension. Conversion of garage to habitable space to include replacement of garage doors with window. Conversion of loft to habitable space to include rear dormer, 2x front rooflights, alterations to fenestration and alterations to roof. Construction of first floor side extension.

    Awaiting decision Householder Extension Loft or dormer +2 8 docs
    Small domestic

  • 24 Southgate Road Potters Bar Hertfordshire EN6 5DZ

    26/0976/FUL Submitted 16 Jul 2026 50 yards away

    83% historically approved · decision due ~10 Sep

    Subdivision of detached dwelling into 2x flats facilitated by demolition of existing conservatory to facilitate construction of single storey rear extension. Construction of first floor side extension. Conversion of garage to habitable space to include replacement of garage doors with window. Conversion of loft to habitable space with rear dormer and insertion of rooflights, alterations to fenestration and alterations to roof. Alterations to hard landscaping, bin and bike storage (additional information received on 31.07.2026 and 13.08.2026 and amended plans received on 19.08.2026).

    Awaiting decision Full applications New dwelling Extension +4 15 docs
    Small domestic

  • 24 Southgate Road Potters Bar Hertfordshire EN6 5DZ

    26/0978/FUL Submitted 16 Jul 2026 50 yards away

    83% historically approved · decision due ~10 Sep

    Subdivision of detached dwelling into 3x flats facilitated by demolition of existing conservatory to facilitate construction of single storey rear extension. Construction of first floor side extension. Conversion of garage to habitable space to include replacement of garage doors with window. Conversion of loft to habitable space with rear dormer and insertion of rooflights, alterations to fenestration and alterations to roof. Alterations to hard landscaping, bin and bike storage (additional information received on 30.07.2026 and 13.08.2026 and as amended by plans received on 19.08.2026).

    Awaiting decision Full applications New dwelling Extension +4 17 docs
    Small domestic

In Hertsmere

  • 26/1516/CLP Awaiting decision

    83 Dugdale Hill Lane Potters Bar Hertfordshire EN6 2DR

    Conversion of loft to habitable space with side and rear dormer; single storey rear extension. Certificate of Lawful Development (Proposed).

    Received 20 Oct, published by the council 23 Oct 2026 Lawful development
  • 26/1156/CLP Decided

    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).

    Received 12 Aug, published by the council 25 Aug 2026 Lawful development
  • 26/1507/CLP Awaiting decision

    30 Ladbrooke Drive Potters Bar Hertfordshire EN6 1QR

    Single storey rear extension and conversion of loft to habitable space including hip to gable roof alterations, rear dormer, and 4x roof lights. Certificate of lawful development (Proposed).

    Received 19 Oct, published by the council 22 Oct 2026 Lawful development
  • 26/1494/CLP Awaiting decision

    32 Billy Lows Lane Potters Bar Hertfordshire EN6 1XN

    Demolition of existing garage and temporary shed to facilitate construction of single storey side extension, conversion of loft to habitable space to include hip to gable roof alterations, rear dormer and 4x front rooflights Certificate of Lawful Development (Proposed).

    Received 16 Oct, published by the council 21 Oct 2026 Lawful development
  • 26/1489/CLP Awaiting decision

    6 Minorca Close Bentley Heath Barnet Hertfordshire EN5 4FA

    Erection of detached outbuilding in the rear garden for uses ancillary to the main dwelling. Certificate of Lawful Development (Proposed).

    Received 15 Oct, published by the council 20 Oct 2026 Lawful development