28 Mimms Hall Road Potters Bar Hertfordshire EN6 3BZ

1. 17 Sep 2026

   Received by Hertsmere

2. 25 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 28 Sep 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 20 November 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.

• 25 Mimms Hall Road Potters Bar Hertfordshire EN6 3BZ

  24/1114/CLP Submitted 29 Aug 2024 50 yards away

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

  Granted Lawful development Loft or dormer Roofing 11 docs

• 34 Deepdene Potters Bar Hertfordshire EN6 3DD

  26/0625/PD42 Submitted 8 May 2026 150 yards away

  Construction of single storey rear extension. Depth: 6.00m, Height: 3.00m, Eaves: 2.80m.

  Decided Extension 5 docs
  Small domestic

• 34 Deepdene Potters Bar Hertfordshire EN6 3DD

  26/0685/CLP Submitted 20 May 2026 150 yards away

  Conversion of loft to habitable space with hip-to-gable roof alterations to include rear dormer, insertion of 2x front roof lights, and insertion of obscure glazed window to side elevation. Removal of chimney stack. Certificate of Lawful Development (Proposed).

  Decided Lawful development Loft or dormer Roofing +1 5 docs

• Orchard House Mutton Lane Potters Bar EN6 3AX

  TP/09/1806 Submitted 16 Oct 2009 150 yards away

  New glazed entrance beneath existing overhanging canopy incorporating ambulant disabled access steps and wheelchair platform lift, stainless steel balustrade and retrospective application for vehicle access gates to existing car park at rear of building.

  Granted Full applications Windows or glazing 16 docs

• 29 Deepdene Potters Bar Hertfordshire EN6 3DF

  26/0682/CLP Submitted 19 May 2026 150 yards away

  Conversion of loft to habitable space including hip to gable roof alterations, rear dormer and front roof light. Certificate of lawful development (Proposed).

  Decided Lawful development Loft or dormer Roofing 9 docs

• Orchard House Mutton Lane Potters Bar EN6 3AX

  TP/07/0945 Submitted 12 Apr 2007 150 yards away

  Change of use of shop units and social club to 2 no. shop units at ground floor including new shopfronts._

  Withdrawn Full applications 10 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