8 Robbery Bottom Lane Welwyn AL6 0UW

1. 14 Aug 2026

   Received by Welwyn Hatfield

2. 7 Sep 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.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 1 Oaklands Rise Welwyn AL6 0RG

  6/2021/2069/TPO Submitted 8 Jul 2021 100 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

• 11A Chestnut Walk Welwyn AL6 0SB

  6/2023/0170/HOUSE Submitted 24 Jan 2023 100 yards away

  Erection of new rear dormer extension as continuation of existing rear dormer

  Refused Householder Extension Loft or dormer
  Domestic

• 5A Oaklands Rise Welwyn

  6/2019/2797/TPO Submitted 5 Nov 2019 100 yards away

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

  Granted Trees

• 26 Lower Mardley Hill Welwyn AL6 0UQ

  6/2021/0972/HOUSE Submitted 25 Mar 2021 150 yards away

  Erection of two storey side and rear extensions and a first floor rear extension, insertion of 6 x side facing dormer windows and 3 x side facing roof lights to facilitate extension of existing first floor plan. Alterations to fenestration on existing front, side and rear elevations and demolition of outbuilding attached to existing garage, to facilitate erection of new detached outbuilding.

  Refused Householder Extension Loft or dormer +2
  Small domestic

• 14 Lower Mardley Hill Welwyn AL6 0SQ

  6/2022/2500/TPO Submitted 1 Nov 2022 150 yards away

  Remove sweet chestnut T6, T7, T8, T9, T10, T11, T12, T13 and replace with oak. Remove scots pine T14, T15, T16 and replace with oak. All trees covered by TPO 879 (2022) & 203 (1995).

  Refused 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

• 6/2026/1052/FULL Granted

  Unit 3 Woodside Lane Hatfield AL9 6DE

  Retention of an extension to the existing building and the erection of a rear extension following demolition of existing buildings (part retrospective)

  Received 17 Jun, published by the council 24 Jul 2026 Full applications
• 6/2026/1264/FULL Granted

  53 Brookmans Avenue Brookmans Park AL9 7QG

  Erection of dwelling with boundary wall and gates following demolition of existing property

  Received 17 Jul, published by the council 15 Aug 2026 Full applications
• 6/2026/1337/FULL Granted

  Royal Veterinary College Hawkshead Lane North Mymms AL9 7TA

  Relocation of the Transfusion Medicine Vet Pod and associated parking, landscaping and associated works

  Received 30 Jul, published by the council 9 Aug 2026 Full applications
• 6/2026/1689/MAJ Awaiting decision

  Howlands House Howlands Welwyn Garden City AL7 4QJ

  Erection of a single 3 and 4-storey building comprising 44 temporary accommodation homes, staff office and laundry facilities, children's play space, cycle and vehicular parking, associated servicing, plant enclosure, substation, landscaping and external works.

  Received 25 Sep, published by the council 1 Oct 2026 Full applications
• 6/2026/0952/FULL Granted

  18 Fallowfield Welwyn Garden City AL7 1EE

  Retrospective application for change of use from amenity land to residential land to form part hardstanding and part garden land at the front of the property and installation of a drop kerb

  Received 1 Jun, published by the council 24 Jul 2026 Full applications