W Block Clare Hall Laboratories Blanche Lane South Mimms Hertfordshire

This site has had 2 applications since 2022: 1 approved, 0 refused.

• 26/0988/OUT Awaiting decision

  W Block Clare Hall Laboratories Blanche Lane South Mimms Hertfordshire

  Outline application (with all matters reserved except for means of access) for the demolition of buildings on site and erection of up to 185 homes (including 50% affordable housing) alongside access, landscaping, car parking and associated works.

  Submitted 17 Jul 2026 Outline

1. 18 May 2022

   Received by Hertsmere

2. 16 Jan 2023

   Decision issued: Grant Permission

3. 9 Aug 2026

   Added to PlanIndex

Hertsmere granted permission on 16 January 2023, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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.

• Clare Hall Manor Blanche Lane South Mimms Hertfordshire EN6 3LD

  22/1180/LBC Submitted 5 Jul 2022 60m away

  Internal alterations to the Modern West Wing to include removal of the north stairwell, widening of the first floor terrace and subdivision of the Modern West Wing to include layout changes to common room, to provide plant and laundry rooms. Widening of the first floor terrace at the southern end of the western wing and like for like replacement of rainwater goods. Internal alterations to the Main House to allow for the conversion of the communal kitchen to a common room (following grant of application 19/2031/LBC). (Application for Listed Building consent).

  Granted Heritage and listed buildings 15 docs

• Stilegate Blanche Lane South Mimms Potters Bar EN6 3LF

  TP/08/0367 Submitted 29 Feb 2008 213m away

  Erection of two storey dwelling (with basement below) following demolition of existing dwelling (amended plans received 11/07/08)

  Granted Full applications Demolition 7 docs
  Domestic

• 1 Taylers Cottages Crossoaks Lane Ridge Potters Bar Hertfordshire EN6 3LL

  24/1118/TRC Submitted 2 Sep 2024 396m away

  T1 OAK. Remove 1no. limb back to main trunk (please see annotated picture)

  Granted Trees 6 docs

• 3 Taylers Cottages Crossoaks Lane Ridge Potters Bar Hertfordshire EN6 3LL

  24/1119/TRC Submitted 2 Sep 2024 396m away

  T1 OAK. Lift 4no. low branches encroaching over both gardens up to 12ft in height to access more light into garden T2 SYCAMORE. Lift 3no. low branches overhanging both gardens up to 12 ft in height to access more light. Reduce back 1no. low limb encroaching over shed by 1-1.5m for clearance as blocking gutter. T3 HORSE CHESTNUT. Lift low limbs up to 12ft in height to allow access to garden shed as branches are currently blocking entrance. See annotated photographs.

  Granted Trees 11 docs
  Small domestic

• 4 Taylers Cottages Crossoaks Lane Ridge Potters Bar Hertfordshire EN6 3LL

  24/1120/TRC Submitted 2 Sep 2024 396m away

  T1 OAK. Lift and remove epicormic growth up to 12ft in height front main trunk of tree.T2 LEYLAND CYPRESS. Reduce height down back to previous pruning points (2m) trim all sides to shape for general tree maintenance. See annotated photographs

  Granted Trees 7 docs

• 3 Taylers Cottages Crossoaks Lane Ridge EN6 3LL

  26/0377/TRC Submitted 23 Mar 2026 396m away

  T1 HAWTHORN. Reduce overall height by approx 2ft to improve light penetration into the garden and maintain a manageable size and form. From 12ft in height we would like to reduce the height down to 10ft in height.

  Granted Trees 7 docs

• 26/1268/FUL Awaiting decision

  69 Goodyers Avenue Radlett Hertfordshire WD7 8AZ

  Erection of detached two storey 5x bed dwelling including habitable space at basement and loft level on land behind 69 Goodyers Avenue, with associated vehicular parking & landscaping.

  2 Sep 2026 Full applications
• 26/0455/FUL Granted

  34 - 36 Northfield Road Borehamwood Hertfordshire

  Construction of part single, part two storey side and rear extension to both properties, and alterations to fenestration.

  7 Apr 2026 Full applications
• 26/0166/FUL Granted

  Meadow Park Broughinge Road Borehamwood Hertfordshire

  Re-modelling of Brook Road Car Park, construction of a cafe with public toilets, addition of a tree lined pedestrian access creating a new entrance to the park, and installation of external lighting and additional CCTV.

  10 Feb 2026 Full applications
• 25/1463/FUL Granted

  Land To The South East Of Electricity Station Hilfield Lane Aldenham Hertfordshire

  Construction of a new permanent access road and bellmouth onto Hilfield Lane; two bunds utilising excavated material from construction; and associated drainage, together with a landscaping scheme, and a biodiversity net gain (BNG) strategy (revised plans received relate to amended red edge / site access / internal access changes / and associated landscape changes).

  8 Oct 2025 Full applications
• 26/1211/FUL Awaiting decision

  49 London Road Shenley Radlett Hertfordshire WD7 9BN

  Demolition of existing modern extension comprising the conservatory, kitchen and utility room.

  21 Aug 2026 Full applications