51 Birchall Wood Welwyn Garden City AL7 2HL

1. 8 Jun 2026

   Received by Welwyn Hatfield

2. 24 Jul 2026

   Added to PlanIndex

3. 26 Jul 2026

   Status changed to Under Consideration

   Previously Under Consultation.

4. 3 Aug 2026

   Decision issued: Granted

Welwyn Hatfield granted permission on 3 August 2026, 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.

• 48 Birchall Wood Welwyn Garden City AL7 2HL

  6/2026/0801/TPO Submitted 7 May 2026 0.1 miles away

  Norway maple trees to cut back all overhanging branches. TPO 627 (2017)

  Granted Trees

• 43 Cypress Avenue Welwyn Garden City AL7 1HN

  6/2021/1190/HOUSE Submitted 13 Apr 2021 0.1 miles away

  Single storey rear extension and garage conversion

  Granted Householder Extension
  Small domestic

• Street Record Birchall Wood Welwyn Garden City AL7 2HL

  6/2022/2866/TPO Submitted 19 Dec 2022 0.1 miles away

  T771: 1 x Hornbeam coppice to ground level. T775: 1 x Ash coppice to ground level. T770, T795, & T796: 3 x Hornbeam coppice to ground level. (See Arboricultural Assessment Report for more detail) All covered by TPO 691 (2017).

  Granted Trees

• 19 Birchall Wood Welwyn Garden City AL7 2HL

  6/2023/0180/HOUSE Submitted 25 Jan 2023 0.1 miles away

  Erection of part single and part two storey rear extension. Single storey front extension, including porch canopy to side, following removal of existing canopy and alterations to window openings to side and front elevations

  Refused Householder Extension Windows or glazing
  Small domestic

• 87 Great Ganett Welwyn Garden City AL7 3DD

  6/2021/2095/EMT Submitted 9 Jul 2021 0.1 miles away

  Reduce 1 x Oak by 2.5m

  Granted Trees

• 37 Ramblers Way Welwyn Garden City AL7 2JU

  6/2026/0671/TPO Submitted 15 Apr 2026 0.1 miles away

  G1 5-6 Ash trees (to the rear of 37 Ramblers Way) to pollard all the trees along the fence line by 50%. (Covered by TPO 878 (2023))

  Refused Trees
  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