15 Whitehill Cottages Whitehill Welwyn AL6 9AE

1. 13 May 2021

   Received by Welwyn Hatfield

2. 2 Aug 2021

   Decision issued: Granted

3. 26 Jul 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 2 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.

• 15 Reeves Court Welwyn AL6 9FU

  6/2021/1580/TPO Submitted 18 May 2021 100 yards away

  Lift canopy of 1 x Oak tree to 4m above ground level

  Granted Trees

• 12 Reeves Court Welwyn AL6 9FU

  6/2021/1498/HOUSE Submitted 11 May 2021 200 yards away

  Erection of a single storey rear extension and part garage conversion including insertion of new suntube into side elevation roof.

  Granted Householder Extension
  Small domestic

• Frythe Ave Welwyn Garden City AL6 9FF

  6/2024/1898/TPO Submitted 3 Oct 2024 300 yards away

  1 x Oak (located in G1) to reduce the lowest limb to south east by 4-5m covered by TPO 524 (2016).

  Granted Trees

• 10 Windsor Close Welwyn AL6 9JZ

  6/2021/2248/HOUSE Submitted 27 Jul 2021 300 yards away

  Erection of a single storey front extension

  Refused Householder Extension
  Small domestic

• 10 Windsor Close Welwyn AL6 9JZ

  6/2026/1099/HOUSE Submitted 25 Jun 2026 300 yards away

  Erection of a single storey front extension with alterations to fenestration following the demolition of existing front porch

  Granted Householder Extension Demolition +1
  Small domestic

• 11A Windsor Close Welwyn AL6 9JZ

  6/2024/1572/PN8 Submitted 19 Aug 2024 300 yards away

  Prior approval for the erection of a single storey rear extension measuring 4.05m in depth, 3.1m in height, 2.77m to the eaves

  Granted Prior approval Extension
  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