24 Marlborough Close Welwyn Hertfordshire AL6 0UG

1. 12 Jan 2023

   Received by Welwyn Hatfield

2. 31 Jan 2023

   Validated

   Checked as complete and ready for consideration.

3. 24 Mar 2023

   Decision issued: Refused

4. 24 Jul 2026

   Added to PlanIndex

Welwyn Hatfield 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.

• 16 Marlborough Close Welwyn AL6 0UG

  6/2026/0351/HOUSE Submitted 26 Feb 2026 50 yards away

  Erection of single storey porch extension, garage conversion, first floor front extension with replacement dormer roof, enlarged first floor rear dormers, reroofing whole roof with a slate coloured plain tile and rendering of front elevation

  Granted Householder Extension Loft or dormer
  Small domestic

• 23 Marlborough Close Welwyn Hertfordshire AL6 0UG

  6/2023/0571/HOUSE Submitted 14 Mar 2023 50 yards away

  Erection of a single storey side extension following demolition of rear conservatory

  Granted Householder Extension Demolition
  Small domestic

• 27 Marlborough Close Welwyn AL6 0UG

  6/2022/2612/HOUSE Submitted 16 Nov 2022 50 yards away

  Erection of a part single storey, part first floor side extension with installation of roof lights

  Granted Householder Extension Loft or dormer 4 docs
  Small domestic

• 19 Robbery Bottom Lane Welwyn AL6 0UL

  6/2021/1409/HOUSE Submitted 4 May 2021 100 yards away

  Demolition of existing rear terrace and construction of part side, part rear double storey extension with associated dormer windows and single storey front extension.

  Granted Householder Extension Loft or dormer +2
  Small domestic

• 8A Rosecroft Lane Welwyn AL6 0UB

  6/2021/2578/TPO Submitted 3 Sep 2021 100 yards away

  Fell damaged pine and dead tree covered by TPO 24 ref A3 (Dead and dangerous application)

  Granted Trees

• 1A Marlborough Close Welwyn AL6 0UG

  6/2022/2782/HOUSE Submitted 7 Dec 2022 100 yards away

  Erection of front porch, and part two, part single storey side and rear extension incorporating conversion of existing garage space and elongation of existing rear dormer window. Elongation of front dormer window and external alterations. Change of external materials and landscape works

  Granted Householder Extension Loft or dormer +1 2 docs
  Small domestic

• 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