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Planning application

188 Mutton Lane Potters Bar Hertfordshire EN6 2AW

Decided Hertsmere 26/0846/HSE Householder

Works: Extension Demolition Windows or glazing Domestic

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

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

Proposal

Conversion of garage to a habitable room with a window replacing the garage door, demolition of the existing rear extension, and alterations to fenestration.

As published by the council, reference 26/0846/HSE

Application record

Reference
26/0846/HSE
Category
Householder
Status
Decided
Received
18 Jun 2026
Validated
18 Jun 2026
Decided
13 Aug 2026
Ward
Bentley Heath & The Royds
Parish
No Parish
Postcode
EN6 2AW

Site history

Applications at this address on the Hertsmere register

This site has had 3 applications since 2026: 0 approved, 1 refused.

  • 26/1282/FUL Awaiting decision

    188 Mutton Lane Potters Bar Hertfordshire EN6 2AW

    Change of use from class C4 (6 bedroom HMO) to sui generis (7 bedroom HMO) use facilitated by internal alterations, loft extension and bin and bike storage.

    Submitted 3 Sep 2026 Full applications
  • 26/0536/HSE Refused

    188 Mutton Lane Potters Bar Hertfordshire EN6 2AW

    Demolition of existing conservatory and single storey rear extension to facilitate construction of single storey rear extension. Conversion of garage to habitable space to include replacement garage door with window and conversion of loft to habitable space to include rear dormer.

    Decided 16 Jun 2026 Householder

Timeline

Dates from the published record

  1. 18 Jun 2026

    Received by Hertsmere

  2. 24 Jul 2026

    Added to PlanIndex

  3. 13 Aug 2026

    Decision issued

  4. 30 Aug 2026

    Status changed to Decided

    Previously Awaiting decision.

Who's behind it

Company information only, from the register and Companies House

Dimensions- Planning&Architecture Agent, an architecture practice

279 applications on PlanIndex · across 23 councils · 65% 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

9 documents on file for this application

  • Delegated report Delegated Report · 13 Aug 2026
  • Decision notice Decision · 13 Aug 2026
  • Highways response Consultee replies · 30 Jul 2026
  • Consultee comment submitted online Consultee Comment · 27 Jul 2026
  • Consultee comment submitted online Consultee Comment · 09 Jul 2026
  • Applicationformredacted Application Form · 18 Jun 2026
  • Proposed drawings Drawing/Plans · 18 Jun 2026
  • Existing drawings Drawing/Plans · 18 Jun 2026
  • Form_1_cil_additional_information CIL · 18 Jun 2026

Trade members open them from here.

Open the documents

After the decision

Hertsmere has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

About householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 188 Mutton Lane Potters Bar Hertfordshire EN6 2AW

    26/1282/FUL Submitted 3 Sep 2026 0m away

    84% historically approved · decision due ~29 Oct

    Change of use from class C4 (6 bedroom HMO) to sui generis (7 bedroom HMO) use facilitated by internal alterations, loft extension and bin and bike storage.

    Awaiting decision Full applications Extension Loft or dormer
  • 188 Mutton Lane Potters Bar Hertfordshire EN6 2AW

    26/0536/HSE Submitted 21 Apr 2026 10m away

    Demolition of existing conservatory and single storey rear extension to facilitate construction of single storey rear extension. Conversion of garage to habitable space to include replacement garage door with window and conversion of loft to habitable space to include rear dormer.

    Refused Householder Extension Loft or dormer +2 10 docs
    Small domestic
  • 190 And 192 Mutton Lane Potters Bar Hertfordshire

    19/1788/HSE Submitted 6 Nov 2019 27m away

    Demolition of existing side extensions to both properties and construction of two storey & part first floor side extension with integral garage, single storey rear extension and hard landscaping at front boundary to No 190; and two storey & part first floor side extension and single storey rear extension to No 192 (Amended description only).

    Withdrawn Full applications Extension Demolition 18 docs
    Small domestic
  • 190 And 192 Mutton Lane Potters Bar Hertfordshire

    19/1788/FUL Submitted 6 Nov 2019 27m away

    Demolition of existing side extensions to both properties and construction of two storey & part first floor side extension with integral garage, single storey rear extension and hard landscaping at front boundary to No 190; and two storey & part first floor side extension and single storey rear extension to No 192 (Amended description only).

    Withdrawn Full applications Extension Demolition 18 docs
    Small domestic
  • 17 Sunnybank Road Potters Bar Hertfordshire EN6 2NW

    26/0226/HSE Submitted 20 Feb 2026 41m away

    Conversion of existing attached garage to office room; alterations to fenestration to include replacing the existing garage doors with a window; replacement of existing rear dormer windows; single storey side infill extension; enlargement of existing rear dormers.

    Granted Householder Extension Loft or dormer +1 4 docs
    Small domestic
  • 171 Mutton Lane Potters Bar Hertfordshire EN6 2AN

    26/0608/CLE Submitted 5 May 2026 46m away

    78% historically approved · decision due ~31 Jul

    Retention of existing self-contained residential outbuilding / dwelling Certificate of Lawful Development (Existing).

    Awaiting decision Lawful development 7 docs
    Small domestic

In Hertsmere

  • 26/0157/HSE Decided

    8 The Drive Radlett Hertfordshire WD7 7DA

    Demolition of existing garage; construction of part single, part two storey side and rear extensions and front porch; alterations to levels and hard landscaping to front and rear; alterations to fenestration. (ADDITIONAL DOCUMENT RECEIVED: 18/08/2026 - Tree Report and Tree Protection Plan & secondary dropped kerb removed).

    9 Feb 2026 Householder
  • 26/0653/HSE Decided

    45 Highview Gardens Potters Bar Hertfordshire EN6 5PN

    Construction of part single, part two storey side and rear extension with associated roof works.

    13 May 2026 Householder
  • 26/0928/HSE Decided

    5 Dellfield Close Radlett Hertfordshire WD7 8LS

    Construction of two storey side and part single part two storey rear extension. Erection of detached double garage with ancillary utility space following the demolition of the existing garage. Conversion of loft to habitable room to include roof alterations and front, side and rear roof lights. Front porch extension.

    7 Jul 2026 Householder
  • 26/0885/HSE Granted

    89 Hatfield Road Potters Bar Hertfordshire EN6 1HZ

    Demolition of existing detached garage and construction of part single, part two storey front, side and rear extension.

    26 Jun 2026 Householder
  • 26/0985/HSE Decided

    3 Bentley Place Bentley Heath Barnet Hertfordshire EN5 4BF

    Part single, part two-storey rear extension, 2x new rear dormers, conversion of existing garage into habitable room, and alterations to fenestration.

    17 Jul 2026 Householder