87 Cowley Hill Borehamwood Hertfordshire WD6 5NA

1. 21 Feb 2023

   Received by Hertsmere

2. 23 Mar 2023

   Decision issued: TPO Refusal

3. 30 Jul 2026

   Added to PlanIndex

Hertsmere refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 129 Cowley Hill Borehamwood Hertfordshire WD6 5NA

  26/0990/HSE Submitted 20 Jul 2026 2m away

  91% historically approved · decision due ~6 Oct

  Demolition of existing outbuildings to facilitate construction of two storey side extension with associated roof works and 2x front rooflights, single storey rear extension with associated roof works and conversion of garage to habitable space to include replacement of garage door with window.

  Awaiting decision Householder Extension Loft or dormer +2 4 docs
  Small domestic

• 107 Cowley Hill Borehamwood WD6 5NA

  TP/07/1640 Submitted 27 Jul 2007 7m away

  *Electronic documents only, no paper fileTwo storey front, sides and rear extensions. Conversion of loft to habitable room with two dormer windows to rear.

  Granted Full applications Extension Loft or dormer +1 5 docs

• 107 Cowley Hill Borehamwood Hertfordshire WD6 5NA

  23/0066/HSE Submitted 16 Jan 2023 7m away

  Conversion of garage to form habitable space to include removal of garage door and insertion of window to front elevation

  Granted Householder Windows or glazing 9 docs
  Domestic

• 99 Cowley Hill Borehamwood Hertfordshire WD6 5NA

  22/2138/HSE Submitted 22 Dec 2022 71m away

  Conversion of loft to habitable room to include increase to ridge height and rear dormer. (Amended plans received 31/03/2023)

  Granted Householder Loft or dormer Roofing 16 docs
  Domestic

• 48 Stanborough Avenue Borehamwood Hertfordshire WD6 5LP

  26/1129/HSE Submitted 10 Aug 2026 98m away

  91% historically approved · decision due ~5 Oct

  Single storey rear extension.

  Awaiting decision Householder Extension 10 docs
  Small domestic

• 62 Stanborough Avenue Borehamwood Hertfordshire WD6 5LP

  22/2031/HSE Submitted 5 Dec 2022 123m away

  Part single, part two storey side extension and single-storey rear extension following demolition of conservatory, alterations to fenestration.

  Granted Householder Extension Demolition +1 13 docs
  Small domestic

• 26/1320/TPO Granted

  38 Birch Grove Potters Bar Hertfordshire EN6 1SY

  T1 oak to reduce from approximately 13m height to 11.5m and spread from 10m to 8.5m. Remove epicormic growth from trunk. The tree dominates a small garden whist oversailing 3 other properties and a public footpath. Managing the size of the tree will allow all neighbours more light and space to their gardens.

  14 Sep 2026 Trees
• 26/1272/TPO Refused

  5 Wordsworth Gardens Borehamwood Hertfordshire WD6 2AB

  T8, T9 and T10 all three mature Poplars (canascens). All three trees reduced by 5m to leave a final height of 11m and spread of circa 8m. In order to increase light to neighbouring properties and reduce the vast leaf waste burden on residents, this blocks the roadside drains significantly.

  7 Sep 2026 Trees
• 26/1246/TPO Granted

  8 Athlone Close Radlett Hertfordshire WD7 7JF

  T7 Pine - Tree is located in the rear garden - Deadwood crown and remove snapped out limb from crown of tree to eliminate the risk of failure. T8 Lime - tree is located in the rear garden of the property. Reduce tree by 2m height to give a final height of around 18m and reduce by around 2m to give final width of around 15m.

  3 Sep 2026 Trees
• 26/1291/TPO Decided

  19 Allum Lane Elstree Borehamwood Hertfordshire WD6 3LU

  T11 - Willow x 1 - reduce crown by 2m on height and 2m on width, leaving a final height of 10m and a spread of 10m. Reasons: outgrowing a restricted location and initiating neighbour complaints

  10 Sep 2026 Trees
• 26/1299/TPO Awaiting decision

  25 Loom Lane Radlett Hertfordshire WD7 8AA

  T82: London Plane - existing dimensions 14m in height and 10m in spread. Reduce crown by approx. 1.5-2m, to leave a final height of approx 12.5m and spread of 8m. T81 -Ash : exisitng dimensions: 15m in height and 10m in spread. Sever ivy at the base and prune lateral branches growing towards the building by approx. 1.5-2m. Retain existing height at approx 15m and final spread of 9-10m. G17 - Conifer Group: existing height 10-12m. Cut back overhanging lateral growth by approx 1.5-2m to the boundary, leaving a final spread on the property-facing side of approx 2m from the main stems. Retain exisitng height. T83- Sycamore: existing height 14-15m and spread 9-10m. Sever ivy at the base and prune laterla branches growing towards the property by approx 1.5-2m. Retain existing height of approx 14-15m and final spread of approx 8m. T84- Oak: existing height 15m and spread of 10m. Remove identified Oak Processionary Moth nests. Reduce crown by approx. 1.5-2m. Leaving final height of 13.5m in height and 8m in spread. T86 - Oak : existing height of 15m and 10m spread. Remove identified Oak Processionary Moth nests. Reduce crown by approx 1.5-2m. Leaving final height of 13.5 and spread of 8m. T87- Oak: existing height of 14m and spread of 9m. Remove identifed Oak Processionary Moth nests. Reduce crown by approx. 1.5-2m. Leaving final height of 12.5m and spread of 7m.

  10 Sep 2026 Trees