12 Mardley Hill Welwyn AL6 0TN

This site has had 3 applications since 2021: 2 approved, 1 refused.

• 6/2026/1205/TPO Granted

  12 Mardley Hill Welwyn AL6 0TN

  TPO 24 T3 - 1 x Beech tree to reduce overhanging lateral branches by approximately 2m. Reduce lateral overhang to no 16 as tree is too close to boundary and excessive overhang is leaving bird poo on kids play equipment

  Decided 7 Sep 2026 Trees
• 6/2021/0943/TPO Refused

  12 Mardley Hill Welwyn AL6 0TN

  T1 - re-pollard 3-4m T2 - fell Beech tree to ground level T3 - oak tree 3-4m crown reduction T4 - Beech tree 5-6m crown reduction

  Decided 18 May 2021 Trees

1. 14 Jul 2021

   Received by Welwyn Hatfield

2. 27 Aug 2021

   Decision issued: Granted

3. 25 Aug 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 27 August 2021, 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.

• 12 Mardley Hill Welwyn AL6 0TN

  6/2021/0943/TPO Submitted 23 Mar 2021 50 yards away

  T1 - re-pollard 3-4m T2 - fell Beech tree to ground level T3 - oak tree 3-4m crown reduction T4 - Beech tree 5-6m crown reduction

  Refused Trees

• 12 Mardley Hill Welwyn AL6 0TN

  6/2026/1205/TPO Submitted 10 Jul 2026 50 yards away

  TPO 24 T3 - 1 x Beech tree to reduce overhanging lateral branches by approximately 2m. Reduce lateral overhang to no 16 as tree is too close to boundary and excessive overhang is leaving bird poo on kids play equipment

  Granted Trees

• 16 Mardley Hill Welwyn AL6 0TN

  6/2026/1108/TPO Submitted 26 Jun 2026 50 yards away

  T1 - 1 x Oak to reduce by approximately 2m height and width, ensuring to cut back clearing the house sufficiently. Oak reducing due to canopy in close proximity to property and roof. (Covered by TPO 24 A3)

  Granted Trees

• 16 Mardley Hill Welwyn AL6 0TN

  6/2021/0944/TPO Submitted 23 Mar 2021 50 yards away

  T1 - Beech 5-6m crown reduction T2 - Beech 5-6m crown reduction

  Granted Trees

• 18 Mardley Hill Welwyn AL6 0TN

  6/2021/2075/HOUSE Submitted 9 Jul 2021 50 yards away

  First floor side extension (revised)

  Granted Householder Extension
  Domestic

• 41 Mardley Hill Welwyn AL6 0TT

  6/2024/0758/FULL Submitted 24 Apr 2024 50 yards away

  Retention of outdoor seating area

  Granted Full applications

• 6/2026/1523/EMT Granted

  5 Hitherway Welwyn Garden City AL8 7RG

  4 x Whitebeams to fell. No replanting

  Received 1 Sep, published by the council 13 Sep 2026 Trees
• 6/2026/1514/TPO Granted

  6A Wendover Drive Welwyn AL6 9LT

  T1 1 x Beech to remove in sections to ground level - Tree is almost dead and in poor condition T2 1 x Beech to reduce to clear property by 1.5m - Branches rubbing on property

  Received 27 Aug, published by the council 13 Sep 2026 Trees
• 6/2026/1300/EMT Granted

  1 Perrywood Walden Road Welwyn Garden City AL8 7PZ

  G1 - 2 x Beech and 3 x Hornbeams all hanging low over the footpath and road. Crown lift to 4m. T2 - Hornbeam growing very close to the building and low over the drive. To reduce back on building side by 1.5m and crown lift over the road to 4m.

  Received 23 Jul, published by the council 9 Aug 2026 Trees
• 6/2026/1495/EMT Granted

  2 Valley Road Welwyn Garden City AL8 7DF

  1 x Holly to reduce height by approx 3m height 1 x Lawson Cypress to reduce by approx 2.5m in height 1 x Plum to reduce height by approx 3m 1 x Apple to reduce lateral branches by approx 2m to reduce lateral branches over lawn 1 x Ash to reduce lateral branches over lawn area by approx 2m

  Received 25 Aug, published by the council 7 Sep 2026 Trees
• 6/2026/1497/TC Granted

  2 Valley Road Welwyn Garden City AL8 7DF

  1 x Holly to reduce height by approximately 3m height 1 x Lawson cypress to reduce by approximately 2.5m in height. 1 x Plum to reduce height by approximately 3m Above 3 are domination side of the garden, they are thick dense and evergreen. Reducing to allow more light into garden and control the size 1 x Apple to reduce lateral branches over lawn area by approximately 2m to reduce lateral branches over lawn to maintain size of tree & provide more space and light to lawn area 1 x Ash to reduce lateral branches over lawn area by approximately 2m to reduce lateral branches as now crossing half the garden and blocking light

  Received 25 Aug, published by the council 14 Sep 2026 Trees