20 Mandeville Road Potters Bar Hertfordshire EN6 5LQ

1. 19 Jun 2026

   Received by Hertsmere

2. 24 Jul 2026

   Added to PlanIndex

3. 14 Aug 2026

   Decision issued

4. 30 Aug 2026

   Status changed to Decided

   Previously Awaiting 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.

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.

• 61 Tempest Avenue Potters Bar Hertfordshire EN6 5LH

  21/1316/CLP Submitted 22 Jun 2021 100m away

  Conversion of loft to habitable room with rear dormer and 3no. rooflights. Certificate of lawfulness (Proposed).

  Granted Lawful development Loft or dormer 8 docs

• 77 Tempest Avenue Potters Bar Hertfordshire EN6 5LD

  24/1401/PD42 Submitted 31 Oct 2024 143m away

  Single story rear extension. Depth: 6.0m, Height: 3.0m, Eaves: 3.0m.

  Granted Prior approval Extension 7 docs

• 77 Tempest Avenue Potters Bar Hertfordshire EN6 5LD

  24/1212/PD42 Submitted 20 Sep 2024 143m away

  Single storey rear extension Depth: 6.00m, Height: 3.00m, Eaves: 3.00m.

  Refused Prior approval Extension 7 docs
  Small domestic

• 18 The Grove Potters Bar Hertfordshire EN6 5LJ

  22/1964/FUL Submitted 24 Nov 2022 148m away

  Construction of a single storey rear extension and alterations to fenestration. Associated landscaping works to rear garden to include installation of new side access gate, paved steps to rear garden and removal of boundary wall and fence.

  Granted Full applications Extension Windows or glazing 8 docs
  Small domestic

• 70 Highview Gardens Potters Bar Hertfordshire EN6 5PJ

  14/1387/DOC Submitted 4 Sep 2014 156m away

  Application for approval of details reserved by conditions 2, 3, 4, 5, 6, and 9 of planning permission reference 14/0169/FUL

  Granted Conditions 2 docs

• 45 Tempest Avenue Potters Bar Hertfordshire EN6 5JY

  21/1279/HSE Submitted 16 Jun 2021 180m away

  Construction of first floor rear extension. (amended plans received 13/08/2021.)

  Granted Householder Extension 11 docs
  Domestic

• 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