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 41m 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

• 27 Marlborough Close Welwyn AL6 0UG

  6/2022/2612/HOUSE Submitted 16 Nov 2022 58m 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 73m 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 85m 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 106m 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

• 45 Robbery Bottom Lane Welwyn AL6 0UL

  6/2021/0950/HOUSE Submitted 24 Mar 2021 112m away

  Erection of single storey side garage extension to facilitate garage into habitable space.

  Refused Householder Extension
  Small domestic

• 6/2026/1531/TPO Withdrawn

  37 The Ridgeway Cuffley EN6 4BB

  T1 English Oak (Quercus robur) ref T316 fell to ground level

  2 Sep 2026 Trees
• 6/2026/1236/EMT Granted

  30 Coneydale Welwyn Garden City AL8 7RZ

  Reduction by 40% of Oak tree (T5) Reduction of the Holly hedge (T8) to 8 feet high

  14 Jul 2026 Trees
• 6/2026/1254/EMT Granted

  94 Parkway Welwyn Garden City AL8 6HL

  1 x Hornbeam to reduce by approximately 3m height and width.

  16 Jul 2026 Trees
• 6/2026/1256/TC Granted

  94 Parkway Welwyn Garden City AL8 6HL

  1 x Hornbeam to reduce by approx 3m height and width.

  16 Jul 2026 Trees
• 6/2026/0953/TPO Granted

  14 Birch Grove Welwyn AL6 0QP

  T1-T10 Hornbeam to repollard back to previous pollard points roughly 3m cut back to main trunk. T11-T15 Hornbeam to cut back by 1.5m boundary of all branches overhanging rear boundary.

  1 Jun 2026 Trees