12 Hartwell Gardens Harpenden Hertfordshire Al5 2Rw

This site has had 3 applications since 2021: 3 approved, 0 refused.

• 5/2026/0433 Granted

  12 Hartwell Gardens Harpenden Hertfordshire Al5 2Rw

  First floor front extension with roof lights and single storey side/rear extension with roof lights and internal alterations

  Decided 2 Jul 2026 Householder
• TP/2021/0147 Granted

  12 Hartwell Gardens Harpenden Hertfordshire Al5 2Rw

  Oak (T4 TPO 1047) - lift crown by 5m to remove low lying branches crown thin 20% branches have broken off during high wind .

  Decided 3 May 2021 Trees

1. 23 Oct 2025

   Received by St Albans

2. 8 Dec 2025

   Decision issued: Treeworks approval

3. 21 Aug 2026

   Added to PlanIndex

St Albans granted permission on 8 December 2025, 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.

• 13 Hartwell Gardens Harpenden Hertfordshire Al5 2Rw

  5/2021/1614 Submitted 27 May 2021 50 yards away

  First floor front extension with rooflights, installation of solar panels on the rear roof slope, alterations to openings (resubmission following approval 5/2021/0522 dated 16/04/2021)

  Granted Householder Extension Loft or dormer 10 docs
  Domestic

• 20 Hartwell Gardens Harpenden Hertfordshire Al5 2Rw

  5/2026/1375 Submitted 17 Jul 2026 50 yards away

  89% historically approved · decision due ~14 Sep

  Proposed first floor side extension with new solar panels, new front two-storey extension, part external cladding, replacement rear bay window, along with internal and external alterations and replacement windows

  Awaiting decision Householder Extension Windows or glazing 14 docs
  Domestic

• 12 Hartwell Gardens Harpenden Hertfordshire Al5 2Rw

  5/2026/0433 Submitted 6 Mar 2026 50 yards away

  First floor front extension with roof lights and single storey side/rear extension with roof lights and internal alterations

  Granted Householder Extension Loft or dormer 11 docs
  Small domestic

• 24 Hartwell Gardens Harpenden Al5 2Rw

  TP/2017/0455 Submitted 7 Sep 2017 50 yards away

  Reduce crown of Lime tree in rear garden back 2-3m below previous reduction points. Remove Diseased limb. Reduce Holly hedge by 1m. Reason - Lime has suffered limb failure. Holly hedge - To improve appearance - previously reduced. All in area A5.

  Granted Trees 5 docs

• 12 Hartwell Gardens Harpenden Hertfordshire Al5 2Rw

  TP/2021/0147 Submitted 15 Mar 2021 50 yards away

  Oak (T4 TPO 1047) - lift crown by 5m to remove low lying branches crown thin 20% branches have broken off during high wind .

  Granted Trees 2 docs

• 86 Townsend Lane Harpenden Hertfordshire Al5 2Rq

  5/2025/1061 Submitted 2 Jun 2025 150 yards away

  Demolition of existing 4 bedroom house and construction of replacement 5 bedroom dwelling with attic accommodation and landscaping works, including air source heat pump and air conditioning units and solar panels

  Granted Demolition 40 docs
  Domestic

• 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