11A Chestnut Walk Welwyn AL6 0SB

1. 24 Jan 2023

   Received by Welwyn Hatfield

2. 21 Mar 2023

   Decision issued: Refused

3. 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.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 28 Robbery Bottom Lane Welwyn AL6 0UW

  6/2024/1676/TPO Submitted 2 Sep 2024 100 yards away

  Covered by TPO 681 (2017) 1x oak tree - T1 - Dead oak tree - Fell to ground level 5 day notice

  Granted Trees

• 7 Woodland Way Welwyn AL6 0RZ

  6/2021/0935/FULL Submitted 23 Mar 2021 100 yards away

  Erection of a new dwelling following demolition of existing bungalow.

  Granted Full applications New dwelling Demolition
  Domestic

• 8 Robbery Bottom Lane Welwyn AL6 0UW

  6/2026/1436/FULL Submitted 14 Aug 2026 100 yards away

  80% historically approved · decision due ~9 Oct

  Erection of two 2-bed chalet bungalows (Use Class C3) following the subdivision of existing residential plot

  Awaiting decision Full applications

• 5A Oaklands Rise Welwyn

  6/2019/2797/TPO Submitted 5 Nov 2019 150 yards away

  Reduce 1x Oak tree by 20% (TPO 672)

  Granted Trees

• 19 Robbery Bottom Lane Welwyn AL6 0UL

  6/2021/1409/HOUSE Submitted 4 May 2021 150 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

• 1 Oaklands Rise Welwyn AL6 0RG

  6/2021/2069/TPO Submitted 8 Jul 2021 150 yards away

  T1 Oak, reduce crown up to 3m/back to previous reduction points T2-T8, Sweet chestnut x4 and Hornbeam x3, cut back to boundary line of 1 Chestnut Walk to height of 6m, reduce above 6m from ground level by 1-2m to reduce overhang, no cuts to be made beyond the boundary line. T9, Hornbeam, cut back to boundary line of 1 Chestnut Walk to height of 6m to clear telephone lines.

  Granted Trees

• 6/2026/1198/HOUSE Granted

  9 Mardley Hill Welwyn AL6 0UE

  Erection of single storey front, side and rear extension, raising the existing roof and formation of rear dormer. Alterations to the fenestration, including, installation of new windows and doors and external rendering and cladding, following the demolition of garage and porch

  Received 10 Jul, published by the council 24 Jul 2026 Householder
• 6/2026/1257/HOUSE Granted

  21 The Swallows Welwyn Garden City AL7 1BX

  Garage conversion with alterations to openings to front and rear elevations

  Received 17 Jul, published by the council 1 Aug 2026 Householder
• 6/2026/1293/HOUSE Granted

  33 Claves Crescent Welwyn Garden City AL7 1WN

  Erection of a single storey rear conservatory

  Received 22 Jul, published by the council 1 Aug 2026 Householder
• 6/2026/1202/HOUSE Granted

  40 Cecil Crescent Hatfield AL10 0HG

  Erection of single storey rear extension

  Received 10 Jul, published by the council 9 Aug 2026 Householder
• 6/2026/1228/HOUSE Granted

  109 Mount Way Welwyn Garden City AL7 4LA

  Erection of single storey front extension

  Received 13 Jul, published by the council 9 Aug 2026 Householder