31 Mountway Close Welwyn Garden City AL7 4JZ

1. 10 Jun 2021

   Received by Welwyn Hatfield

2. 6 Aug 2021

   Decision issued: Granted

3. 30 Jul 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 6 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.

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.

• 109 Mount Way Welwyn Garden City AL7 4LA

  6/2026/1228/HOUSE Submitted 13 Jul 2026 50 yards away

  Erection of single storey front extension

  Granted Householder Extension
  Small domestic

• 13 The Croft Welwyn Garden City AL7 4JY

  6/2019/2576/EM Submitted 14 Oct 2019 100 yards away

  Installation of front door

  Granted

• 128 Mount Way Welwyn Garden City AL7 4JX

  6/2022/2425/EM Submitted 19 Oct 2022 100 yards away

  Erection of a single storey rear & side extension

  Granted Extension
  Small domestic

• 24 The Croft Welwyn Garden City AL7 4JY

  6/2024/1369/LAWP Submitted 17 Jul 2024 150 yards away

  Certificate of lawfulness for the installation of a driveway

  Granted Lawful development

• 24 The Croft Welwyn Garden City AL7 4JY

  6/2024/1431/EM Submitted 29 Jul 2024 150 yards away

  Installation of driveway

  Granted

• 412 Howlands Welwyn Garden City AL7 4HB

  6/2026/0018/EM Submitted 5 Jan 2026 150 yards away

  Retrospective applications for erection of single storey rear extension, installation of EV charging point, replacement hardstanding, re-installation of porch canopy, replacement UPVC windows and composite front door

  Granted Extension Windows or glazing
  Small domestic

• 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