5A Phillimore Place Radlett Hertfordshire WD7 8NH

1. 11 Feb 2026

   Received by Hertsmere

2. 19 Feb 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 16 April 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 58 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 full applications in a median of 90 days. More in our guide to how long planning decisions take.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 16 Kendals Close Radlett Hertfordshire WD7 8NQ

  24/0889/CLP Submitted 8 Jul 2024 100 yards away

  Conversion of loft to form habitable space, with associated roof alterations to include rear dormer with Juliet balcony and insertion of 1x front rooflight. Certificate of Lawful Development (Proposed).

  Granted Lawful development Loft or dormer Roofing 9 docs

• 16 Kendals Close Radlett Hertfordshire WD7 8NQ

  24/1444/CLP Submitted 11 Nov 2024 100 yards away

  Erection of outbuilding in rear garden. Certificate of lawful development (Proposed).

  Granted Lawful development 6 docs

• 16 Kendals Close Radlett Hertfordshire WD7 8NQ

  24/1267/PD42 Submitted 2 Oct 2024 100 yards away

  Single storey rear extension to replace existing. Depth: 6m, Height: 3.7m, Eaves: 3m.

  Granted Prior approval Extension 6 docs
  Small domestic

• 33 New Road Radlett Hertfordshire WD7 8LX

  21/0983/CLP Submitted 6 May 2021 200 yards away

  Conversion of loft to habitable room to include rear dormer with 2 x UPVC windows and 3 x front roof lights. Certificate of Lawful Development (Proposed).

  Granted Lawful development Loft or dormer Windows or glazing 17 docs

• 37 Battlers Green Drive Radlett Hertfordshire WD7 8NE

  23/0297/HSE Submitted 21 Feb 2023 200 yards away

  Demolition of outbuilding, two storey side extension, single storey rear extension, front porch canopy and alterations to fenestration. (AMENDED PLAN RECEIVED: 04/04/2023 - updated site plan)

  Granted Householder Extension Demolition +1 8 docs
  Small domestic

• 37 Battlers Green Drive Radlett Hertfordshire WD7 8NE

  21/0210/HSE Submitted 1 Feb 2021 200 yards away

  Demolition of existing side outbuilding and construction of part single, part two storey rear extension and two storey side extension to include removal of brick flue, insertion of 4 x roof lights, new front entrance canopy and alterations to fenestration.

  Granted Householder Extension Loft or dormer +2 8 docs
  Small domestic

• 26/0671/FUL Decided

  27A Harcourt Road Bushey Hertfordshire WD23 3PP

  Change of Use from C3 Dwelling to Children's residential home (C2).

  Received 18 May, published by the council 24 Jul 2026 Full applications
• 26/0971/FUL Decided

  24 Southgate Road Potters Bar Hertfordshire EN6 5DZ

  Change of use from class C3 to sui generis 8 bedroom HMO use facilitated by demolition of existing conservatory to facilitate construction of single storey rear extension. Conversion of garage to habitable space to include replacement of garage doors with window. Alterations to hard landscaping, bin and bike storage (additional information received on 31.07.2026 and 13.08.2026).

  Received 15 Jul, published by the council 24 Jul 2026 Full applications
• 26/0632/FUL Decided

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

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

  Received 11 May, published by the council 24 Jul 2026 Full applications
• 26/1008/FUL Decided

  31 Tempest Avenue Potters Bar Hertfordshire EN6 5JU

  Change of use from class C4 (6 Bed HMO) to sui generis (11 bedroom HMO) use facilitated by internal alterations, provision of waste and cycle storage, and installation of new dropped kerb.

  Received 21 Jul, published by the council 1 Aug 2026 Full applications
• 25/1648/FUL Decided

  30 Beech Avenue Radlett Hertfordshire WD7 7DE

  Demolition of existing dormer bungalow and construction of two storey detached house with accommodation at loft level, cycle and bin stores, front boundary works, and alterations to front and rear hard and soft landscaping.

  Received 17 Nov, published by the council 15 Sep 2026 Full applications