Land To The West Of Swanland Road South Mimms Hertfordshire

1. 27 May 2026

   Received by Hertsmere

2. 11 Jun 2026

   Decision issued: Permitted

3. 9 Aug 2026

   Added to PlanIndex

Hertsmere granted permission on 11 June 2026, 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.

An outline application tests the principle of developing a site, holding back details such as appearance and landscaping as reserved matters for later approval. More in our guide to planning application types.

• 25 Brookside South Mimms Potters Bar Hertfordshire EN6 3PT

  22/1929/HSE Submitted 17 Nov 2022 250 yards away

  Single storey front and rear extensions and two storey side extension.

  Refused Householder Extension 10 docs
  Small domestic

• 14 Brookside South Mimms Potters Bar Hertfordshire EN6 3PU

  26/0326/HSE Submitted 11 Mar 2026 350 yards away

  Construction of single storey rear extension.

  Refused Householder Extension 11 docs
  Small domestic

• 58 Brookside South Mimms Potters Bar Hertfordshire EN6 3PX

  26/0712/HSE Submitted 22 May 2026 350 yards away

  Erection of front porch.

  Decided Householder Extension 5 docs
  Small domestic

• 36 Blackhorse Lane South Mimms Potters Bar Hertfordshire EN6 3PS

  23/0505/CLP Submitted 3 Apr 2023 400 yards away

  Conversion of loft to habitable space to include rear dormer with Juliet balcony, insertion of 3 x front roof lights and chimney stack removal. Certificate of Lawful Development (Proposed).

  Granted Lawful development Loft or dormer 11 docs

• 36 Blackhorse Lane South Mimms Potters Bar Hertfordshire EN6 3PS

  23/0509/HSE Submitted 4 Apr 2023 400 yards away

  Single storey front and side extension and alterations to fenestration.

  Granted Householder Extension Windows or glazing 7 docs
  Small domestic

• 19 Cecil Cottages St Albans Road South Mimms Potters Bar Hertfordshire EN6 3PL

  24/1607/CLP Submitted 10 Dec 2024 450 yards away

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

  Granted Lawful development Loft or dormer Roofing 10 docs

• 26/1236/OUTEI Awaiting decision

  Home Farm Common Lane Radlett Hertfordshire WD7 8PL

  Outline planning application (with all matters reserved except access) comprising a residential development of up to 650 dwellings (Use Class C3); a one-form entry primary school and nursery; supporting mixed uses (Use Classes E and F) with associated landscaping; amenity space; drainage infrastructure and all other associated works. The application is accompanied by an Environmental Statement (EIA Development).

  Received 26 Aug, published by the council 29 Sep 2026 Outline
• 26/0962/EI2 Decided

  Land Known As Home Farm Common Lane Radlett Hertfordshire

  Request for a scoping opinion (Environmental Impact Assessment).

  Received 10 Jul, published by the council 24 Jul 2026 Outline
• 26/1112/OUT Awaiting decision

  Land South Of Allum Lane Elstree Borehamwood Hertfordshire

  Outline planning application (with all matters reserved except access) for the erection of residential dwellings (Class C3), new access, landscaping, parking and ancillary works.

  Received 5 Aug, published by the council 9 Aug 2026 Outline
• 26/1048/OUT Awaiting decision

  Land Rear Of 31 - 61 Blanche Lane South Mimms Hertfordshire

  Construction of up to 49 dwellings on Land off Blanche Lane. (Outline application to include access, all other matters reserved)

  Received 28 Jul, published by the council 11 Aug 2026 Outline
• 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.

  Received 17 Jul, published by the council 1 Aug 2026 Outline