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Planning application

105 Baker Street Potters Bar Hertfordshire EN6 2ET

Granted Hertsmere 21/1340/CLP Certificate Proposed Lawful Use/Dev

Works: Extension Small domestic

Read from the description, not a valuation. How we read the register

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

Proposal

Single storey rear and side extension. Certificate of lawfulness (Proposed).

As published by the council, reference 21/1340/CLP

Application record

Reference
21/1340/CLP
Type
Certificate Proposed Lawful Use/Dev
Status
Decided
Decision
Granted As published: Grant Lawful Certificate (Proposed Dev)
Received
25 Jun 2021
Validated
8 Jul 2021
Decided
1 Sep 2021
Ward
Bentley Heath & The Royds
Parish
No Parish
Decision by
Delegated Decision
Postcode
EN6 2ET

Site history

Applications at this address on the Hertsmere register

This site has had 5 applications since 2019: 2 approved, 0 refused.

  • 26/1416/HSE Awaiting decision

    105 Baker Street Potters Bar Hertfordshire EN6 2ET

    Part single, part two storey side and rear extensions including conversion of garage to habitable space and alterations to fenestration. Conversion of loft to habitable space including rear dormer.

    Submitted 1 Oct 2026 Householder
  • 26/1338/MA Decided

    105 Baker Street Potters Bar Hertfordshire EN6 2ET

    Application for a non-material amendment to allow for window and first floor extension alterations following the grant of planning permission ref 26/0517/HSE.

    Decided 25 Sep 2026
  • 26/0517/HSE Granted

    105 Baker Street Potters Bar Hertfordshire EN6 2ET

    Two storey side and single storey rear extensions. Conversion of loft to habitable space with a rear dormer.

    Decided 27 May 2026 Householder
  • 19/1719/HSE Withdrawn

    105 Baker Street Potters Bar Hertfordshire EN6 2ET

    Demolition of existing lean to and construction of two storey side extension and single storey rear extension with integral garage and alterations to fenestration.

    Decided 16 Dec 2019 Householder

Timeline

Dates from the published record

  1. 25 Jun 2021

    Received by Hertsmere

  2. 8 Jul 2021

    Validated

    Checked as complete and ready for consideration.

  3. 1 Sep 2021

    Decision issued: Grant Lawful Certificate (Proposed Dev)

  4. 5 Sep 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

RERJ Architecture and Planning Ltd Agent, an architecture practice registered in London

Active · incorporated 2016 · London

28 applications on PlanIndex · across 7 councils · 69% granted

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Documents

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

4 documents on file for this application

  • Case officer report Delegated Report · 02 Sep 2021
  • Decision ldcp -grant cert prop develop Decision · 02 Sep 2021
  • Existing and proposed ground floor, elevations and location plan Drawing/Plans · 08 Jul 2021
  • Applicationformredacted Application Form · 25 Jun 2021

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What this grant of permission means

Hertsmere granted permission on 1 September 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

  • 105 Baker Street Potters Bar Hertfordshire EN6 2ET

    19/1719/HSE Submitted 24 Oct 2019 50 yards away

    Demolition of existing lean to and construction of two storey side extension and single storey rear extension with integral garage and alterations to fenestration.

    Withdrawn Householder Extension Demolition +1 6 docs
    Small domestic

  • 105 Baker Street Potters Bar Hertfordshire EN6 2ET

    26/0517/HSE Submitted 16 Apr 2026 50 yards away

    Two storey side and single storey rear extensions. Conversion of loft to habitable space with a rear dormer.

    Granted Householder Extension Loft or dormer 16 docs
    Small domestic

  • 105 Baker Street Potters Bar Hertfordshire EN6 2ET

    26/1338/MA Submitted 15 Sep 2026 50 yards away

    Application for a non-material amendment to allow for window and first floor extension alterations following the grant of planning permission ref 26/0517/HSE.

    Decided Extension Windows or glazing

  • 105 Baker Street Potters Bar Hertfordshire EN6 2ET

    26/1416/HSE Submitted 1 Oct 2026 50 yards away

    92% historically approved · decision due ~1 Dec

    Part single, part two storey side and rear extensions including conversion of garage to habitable space and alterations to fenestration. Conversion of loft to habitable space including rear dormer.

    Awaiting decision Householder Extension Loft or dormer +1
    Domestic

  • 2A Santers Lane Potters Bar Hertfordshire EN6 2BU

    23/0160/HSE Submitted 31 Jan 2023 50 yards away

    Construction of outbuilding in rear garden for use as gym / office.

    Granted Householder 6 docs
    Small domestic

  • 2A Santers Lane Potters Bar Hertfordshire EN6 2BU

    23/0161/CLP Submitted 31 Jan 2023 50 yards away

    Construction of outbuilding in rear garden for use as gym / office. Certificate of Lawful Development (Proposed).

    Granted Lawful development 5 docs

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