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Planning application

37 Allandale Crescent Potters Bar Hertfordshire EN6 2JZ

Granted Hertsmere 21/0910/CLP Certificate Proposed Lawful Use/Dev

Works: Loft or dormer

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

Proposal

Conversion of loft to habitable room with rear dormer, 3 roof lights to front and change in roof shape from hipped to gable. Certificate of lawfulness (Proposed).

As published by the council, reference 21/0910/CLP

Application record

Reference
21/0910/CLP
Type
Certificate Proposed Lawful Use/Dev
Status
Decided
Decision
Granted As published: Grant Lawful Certificate (Proposed Dev)
Received
26 Apr 2021
Validated
26 Apr 2021
Decided
17 Jun 2021
Ward
Bentley Heath & The Royds
Parish
No Parish
Decision by
Delegated Decision
Postcode
EN6 2JZ

Timeline

Dates from the published record

  1. 26 Apr 2021

    Received by Hertsmere

  2. 17 Jun 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

MD Designs Agent, a design practice registered in Elstree

Dissolved · incorporated 2009 · Elstree

65 applications on PlanIndex · across 9 councils · 80% granted

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Documents

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

5 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 17 June 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

  • 15 Allandale Crescent Potters Bar Hertfordshire EN6 2JY

    26/1457/CLP Submitted 9 Oct 2026 100 yards away

    82% historically approved · decision due ~4 Dec

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

    Awaiting decision Lawful development Loft or dormer

  • 49 Dugdale Hill Lane Potters Bar Hertfordshire EN6 2DP

    22/2129/HSE Submitted 21 Dec 2022 100 yards away

    Single storey front and part single/part two storey side and rear extensions to include increase in habitable accommodation at loft level, following demolition of existing detached garage.

    Granted Householder Extension Demolition 9 docs
    Small domestic

  • 19 Brooklands Gardens Potters Bar Hertfordshire EN6 2LA

    21/0674/CLP Submitted 26 Mar 2021 100 yards away

    Outbuilding to rear. Certificate of lawfulness. (Proposed) (Revised Application)

    Granted Lawful development 9 docs

  • 3 Allandale Crescent Potters Bar EN6 2JY

    TP/09/1437 Submitted 21 Aug 2009 100 yards away

    *Electronic documents only, no paper fileSingle storey side extension, single storey rear extension. New skylight to flat roof at rear (amended description).

    Granted Full applications Extension 20 docs
    Small domestic

  • 14 Allandale Crescent Potters Bar Hertfordshire EN6 2JY

    26/0253/HSE Submitted 26 Feb 2026 150 yards away

    Construction of replacement front porch, addition of external wall insulation, and alterations to fenestration (Retrospective)

    Granted Householder Extension Windows or glazing 11 docs
    Small domestic

  • 1 Allandale Crescent Potters Bar Hertfordshire EN6 2JY

    19/1677/CLP Submitted 18 Oct 2019 150 yards away

    Erection of detached outbuilding to rear of property. Certificate of Lawful Development (Proposed).

    Refused Lawful development 20 docs

In Hertsmere

  • 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
  • 26/1494/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
  • 26/1258/CLP Granted

    106 Whitehouse Avenue Borehamwood Hertfordshire WD6 1HE

    Construction of single storey rear extension. Certificate of Lawful Development (Proposed).

    Received 1 Sep, published by the council 8 Sep 2026 Lawful development
  • 26/1247/CLP Decided

    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).

    Received 27 Aug, published by the council 4 Sep 2026 Lawful development