21 Landbeach Welwyn Garden City AL7 2QB

1. 2 Jun 2026

   Received by Welwyn Hatfield

2. 11 Jun 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. 6 Aug 2026

   Decision issued: Granted

Welwyn Hatfield granted permission on 6 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.

• 22 Waterbeach Welwyn Garden City AL7 2PT

  6/2021/1803/HOUSE Submitted 10 Jun 2021 0.1 miles away

  Extension of existing driveway

  Refused Householder Extension
  Domestic

• 3 Wyton Welwyn Garden City AL7 2PE

  6/2021/2172/HOUSE Submitted 19 Jul 2021 0.1 miles away

  Erection of a single storey rear extension and garage conversion

  Granted Householder Extension
  Small domestic

• 16 Waterbeach Welwyn Garden City AL7 2PT

  6/2021/0847/HOUSE Submitted 16 Mar 2021 0.1 miles away

  Erection of a two storey front infill extension

  Refused Householder Extension
  Domestic

• 3 Oakington Welwyn Garden City AL7 2PS

  6/2021/0899/HOUSE Submitted 19 Mar 2021 0.1 miles away

  Raising of the ridge, formation of dormer to rear slope and installation of 3 x rooflights to front slope

  Granted Householder Loft or dormer
  Domestic

• 43 Lincoln Close Welwyn Garden City AL7 2NN

  6/2024/1242/LAWP Submitted 2 Jul 2024 0.1 miles away

  Certificate of lawfulness to change the use of the property to an extended short breaks service for children from 8 - 18 years with learning disabilities/ autism

  Granted Lawful development

• 1 Oakington Welwyn Garden City AL7 2PS

  6/2026/0647/HOUSE Submitted 13 Apr 2026 0.1 miles away

  Erection of a single-storey rear extension, conversion of existing garage to habitable space and formation of a porch

  Granted Householder 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