Tyttenhanger Quarry And PAS100 QP Compost At Tyttenhanger Quarry North Orbital Road Colney Heath St. Albans AL2 1BT

1. 9 Nov 2016

   Received by Hertsmere

2. 11 Jun 2019

   Decision issued: No further Action to be taken

3. 9 Aug 2026

   Added to PlanIndex

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.

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.

• Nell Gwynne Cottage Salisbury Hall Drive London Colney St Albans Hertfordshire AL2 1BU

  26/0495/DOC Submitted 10 Apr 2026 300 yards away

  100% historically approved · decision due ~5 Jun

  Application for approval of details reserved by condition 2 (details of proposed new windows) of planning permission reference 23/0978/LBC.

  Awaiting decision Conditions Windows or glazing 11 docs

• Granary Salisbury Hall Drive London Colney St Albans Hertfordshire AL2 1BU

  21/1041/LBC Submitted 14 May 2021 400 yards away

  Replacement of existing windows and 2 x doors with new matt black aluminium double glazing (Application for Listed Building consent).

  Granted Heritage and listed buildings Windows or glazing 12 docs

• The Old Jail House Salisbury Hall Drive London Colney St Albans Hertfordshire AL2 1BU

  22/2140/DOC Submitted 22 Dec 2022 400 yards away

  Application for approval of details reserved by condition 3 (Window and door drawings) of planning permission reference 22/1665/LBC.

  Granted Conditions Windows or glazing 11 docs

• Land Next To De Havilland Aircraft Heritage Museum Salisbury Hall Bell Lane London Colney St Albans Hertfordshire AL2 1BU

  24/1014/FUL Submitted 5 Aug 2024 0.3 miles away

  Change of use of land from Agricultural to F2 (Museum), permanent installation of a marquee, the display of static aircraft and historic aircraft parts and the installation of a perimeter fence (retrospective application).

  Granted Full applications 20 docs
  Small domestic

• 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