42 Cowper Road Harpenden Hertfordshire Al5 5Ng

1. 14 Mar 2026

   Received by St Albans

2. 18 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 12 May 2026

   Decision issued: Tree Works in Conservation Area - Deemed Consent

4. 24 Jul 2026

   Added to PlanIndex

St Albans granted permission on 12 May 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.

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.

• 26 Cowper Road Harpenden Hertfordshire Al5 5Ng

  5/2026/1464 Submitted 3 Aug 2026 0m away

  Proposed extensions and alterations to 26 Cowper Road, comprising a first floor extension above the existing garage and utility room, including the conversion of the existing garage to provide an enlarged entrance hall, WC and storage, involving the remov

  Decided Householder Extension 9 docs
  Domestic

• 10 Cowper Road Harpenden Hertfordshire Al5 5Ng

  5/2021/1619 Submitted 31 May 2021 0m away

  Single storey side extension. Installation of rear rooflights and alterations to openings, windows and roof

  Granted Householder Extension Loft or dormer +1 8 docs
  Small domestic

• 21 Cowper Road Harpenden Hertfordshire Al5 5Nf

  5/2017/1754 Submitted 19 Jun 2017 54m away

  Part single, part two storey rear extension, replacement rear dormer window and alterations to openings

  Granted Householder Extension Loft or dormer +1 16 docs
  Domestic

• 31 Cowper Road Harpenden Hertfordshire Al5 5Nf

  5/2017/3061 Submitted 26 Oct 2017 54m away

  Single storey rear and first floor rear extension replacement ground floor and balcony roof

  Granted Householder Extension 9 docs
  Small domestic

• 16 Kipling Way Harpenden Hertfordshire Al5 4Xg

  5/2026/1049 Submitted 28 May 2026 57m away

  Prior Notification - Single storey rear extension 3.72m in height x 4m in depth with 2.75m height to eaves

  Granted Prior approval Extension 9 docs
  Small domestic

• 7 Shakespeare Road Harpenden Hertfordshire Al5 5Nq

  TP/2021/0076 Submitted 15 Feb 2021 110m away

  Rear garden Hazelnut - fell because of excessive shading and covered by Ivy.

  Granted Trees

• TP/2026/0456 Decided

  The Cathedral And Abbey Church Of St Alban Sumpter Yard Holywell Hill St Albans Hertfordshire Al1 1By

  T1. Cedar - clean-cut where the branches have broken, reduce any upright or outstretched branches by 1.5 metres. Thin the heavier elongated branches going over the walls and public walkways by no more than 20% and remove any damaged branches and deadwood.

  14 Sep 2026 Trees
• TP/2026/0457 Decided

  The Peacock Ph 13 Hatfield Road St Albans Hertfordshire Al1 3Rr

  G1 - Conifer group - fell to ground level and grind stump

  14 Sep 2026 Trees
• TP/2026/0453 Decided

  1 Pondwicks Close St Albans Hertfordshire Al1 1Dg

  Willow - Pollard due to limb failure

  13 Sep 2026 Trees
• TP/2026/0455 Decided

  7 Salisbury Avenue Harpenden Hertfordshire Al5 2Qq

  Silve birch - felling trees 1, 2, 3, and 5 on safety grounds in significant decline

  13 Sep 2026 Trees
• TP/2026/0451 Decided

  Topstreet Farmhouse 28 Crabtree Lane Harpenden Hertfordshire Al5 5Nu

  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

  11 Sep 2026 Trees