1 Deeves Hall Cottages Earls Lane South Mimms Potters Bar Hertfordshire EN6 3LU

1. 5 Aug 2026

   Received by Hertsmere

2. 12 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 30 September 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Hertsmere took a median of 57 days over the applications it decided in the last year.

This application is with Hertsmere for determination, against a statutory target of eight weeks. Over the last year Hertsmere decided householder applications in a median of 65 days. More in our guide to how long planning decisions take.

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.

• Deeves Hall Deeves Hall Lane Ridge Potters Bar Hertfordshire EN6 3LS

  21/1626/HSE Submitted 6 Aug 2021 150 yards away

  Single storey front and rear extensions.

  Granted Householder Extension 10 docs
  Small domestic

• Land North Of Earls Lane South Mimms Hertfordshire

  25/1023/FUL Submitted 10 Jul 2025 250 yards away

  83% historically approved · decision due ~12 Sep

  Construction of a solar farm (temporary for 40 years) with access off Earls Lane. Proposal would include the installation of solar photovoltaic panels to generate electricity (a 30 MW installation), with ancillary substations, inverters, perimeter stock fencing with CCTV, landscaping and other associated works. (Amended layout plan and supporting documents, including matters relating to Arboriculture, Archaeology, Landscape, Ecology, Agricultural Land Classification, Flood Risk and Drainage, and Highway.)

  Awaiting decision Full applications 89 docs

• Earls Farm Earls Lane South Mimms Potters Bar Hertfordshire EN6 3LT

  26/0632/FUL Submitted 11 May 2026 400 yards away

  Demolition of existing stables block & ancillary building and rebuild of replacement stables building.

  Decided Full applications Demolition 15 docs

• 26/0805/HSE Granted

  Rydal Mount Lodge Baker Street Potters Bar Hertfordshire EN6 2BP

  Demolition of existing conservatory to facilitate construction of single storey rear extension and front porch extension.

  Received 10 Jun, published by the council 24 Jul 2026 Householder
• 26/1218/HSE Refused

  22 The Grove Radlett Hertfordshire WD7 7NF

  Conversion of garage to habitable space with window to replace garage door and new pitched roof, construction of first floor side extension and part single, part two storey rear extension with insertion of 1x side rooflight, alterations to fenestration and front hard landscaping.

  Received 24 Aug, published by the council 1 Sep 2026 Householder
• 26/1253/HSE Granted

  159 Arundel Drive Borehamwood Hertfordshire WD6 2LZ

  Construction of single storey rear extension with pitched roof and 3x rooflights, and alterations to fenestration.

  Received 28 Aug, published by the council 4 Sep 2026 Householder
• 26/1250/HSE Granted

  3 The Walk Potters Bar Hertfordshire EN6 1QL

  Single storey side extension following demolition of existing detached garage and shed.

  Received 28 Aug, published by the council 4 Sep 2026 Householder
• 26/1075/HSE Granted

  7 Belmor Elstree Borehamwood Hertfordshire WD6 3JX

  Proposed boundary treatments to the rear of the property including replacement fence.

  Received 31 Jul, published by the council 12 Aug 2026 Householder