7 Crabtree Lane Harpenden Hertfordshire Al5 5Ta

1. 11 Sep 2026

   Received by St Albans

2. 13 Sep 2026

   Added to PlanIndex

3. 16 Sep 2026

   Decision issued: Treework exempt

St Albans 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.

Applications for works to trees cover protected trees: consent under a tree preservation order, or six weeks notice for trees in a conservation area. More in our guide to planning application types.

• 10 Crabtree Lane Harpenden Hertfordshire Al5 5Tb

  5/2017/3495 Submitted 8 Dec 2017 50 yards away

  Single storey side and rear extension, rear dormer window and side window

  Granted Householder Extension Loft or dormer +1 9 docs
  Small domestic

• 44 Southdown Road Harpenden Hertfordshire Al5 1Pg

  5/2021/1256 Submitted 27 Apr 2021 100 yards away

  Construction of single storey side extension. Garage conversion with adjustments to roof

  Granted Householder Extension 8 docs
  Small domestic

• 37 Southdown Road Harpenden Hertfordshire Al5 1Pg

  5/2026/0575 Submitted 23 Mar 2026 100 yards away

  89% historically approved · decision due ~19 May

  Part single, part two-storey front extension; first floor extension over existing side; part single, part two-storey rear extension; porch to front; alterations to openings including replacement windows and external finishes

  Awaiting decision Householder Extension Windows or glazing 19 docs
  Small domestic

• Topstreet Farmhouse 28 Crabtree Lane Harpenden Hertfordshire Al5 5Nu

  TP/2026/0451 Submitted 11 Sep 2026 200 yards away

  98% historically approved · decision due ~6 Nov

  T1 Beech - Crown reduction by 3-4m approx and crown thin by 15-20% The tree has perviously been managed with a similar crown reduction in the past to contain shape and improve light

  Awaiting decision Trees 3 docs

• Topstreet Farmhouse 28 Crabtree Lane Harpenden Hertfordshire Al5 5Nu

  5/2016/3041 Submitted 6 Oct 2016 200 yards away

  New gates and replacement fence

  Granted Householder 16 docs
  Small domestic

• St Dominic Roman Catholic Primary School Southdown Road Harpenden Hertfordshire Al5 1Pf

  5/2021/1355 Submitted 6 May 2021 200 yards away

  Retention of double modular class base

  Granted 11 docs

• TP/2026/0283 Granted

  86 Marshalswick Lane St Albans Hertfordshire Al1 4Xe

  Lime - reduce height by 5m, lateral reduction of 4m and crown clean

  Received 3 Jun, published by the council 24 Jul 2026 Trees
• TP/2026/0509 Awaiting decision

  36 Park Avenue North Harpenden Hertfordshire Al5 2Ed

  G1 - 5 lime trees at the front of the house to raise the canopy to approx 5 mentres and remove epicormic growth. This work is all general maintenasnce and to keep mtrees healthy and under control

  Received 5 Oct, published by the council 11 Oct 2026 Trees
• TP/2026/0506 Awaiting decision

  Old Bell 177 Luton Road Harpenden Hertfordshire Al5 3Bn

  5 x Oaks to lift to around 3m above ground level, remove deadwood greater than 40mm in diameter. Lift canopies on all Oaks to allow better view of area due to safety concerns & recent damage

  Received 5 Oct, published by the council 11 Oct 2026 Trees
• TP/2026/0507 Awaiting decision

  10 Monks Close Redbourn Hertfordshire Al3 7Ly

  TPO1910 (G1) Silver Birch x2 Reduce the overall crown height by approximately 5 metres, Reduce lateral growth by approximately 0.5 metres where necessary to maintain a balanced and natural crown form. Reason for works: To reduce the overall size of

  Received 5 Oct, published by the council 11 Oct 2026 Trees
• TP/2026/0402 Granted

  28 West Common Way Harpenden Hertfordshire Al5 2Lg

  T1 - oak tree reduce north east side of Oak tree by 3m. This tree has been heavily cut on the opposite side of the tree leaving the tree hugely unbalanced.

  Received 20 Aug, published by the council 25 Aug 2026 Trees