9 Mitchell Close Welwyn Garden City AL7 2NH

1. 4 Jan 2023

   Received by Welwyn Hatfield

2. 1 Mar 2023

   Decision issued: Granted

3. 9 Aug 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 1 March 2023, 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.

• 10 Wellington Drive Welwyn Garden City AL7 2NJ

  6/2019/2679/HOUSE Submitted 23 Oct 2019 21m away

  Erection of single storey rear extension with installation of 2 x roof lights and retention of conversion of garage to habitable space with alterations to openings

  Granted Householder Extension Loft or dormer
  Small domestic

• 43 Lincoln Close Welwyn Garden City AL7 2NN

  6/2024/1242/LAWP Submitted 2 Jul 2024 104m 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

• 6 Tempsford Welwyn Garden City AL7 2PB

  6/2024/1838/HOUSE Submitted 24 Sep 2024 227m away

  Erection of single storey rear extension, following the demolition of existing conservatory

  Granted Householder Extension Demolition
  Small domestic

• 21 Landbeach Welwyn Garden City AL7 2QB

  6/2026/0963/HOUSE Submitted 2 Jun 2026 253m away

  Erection of single side and rear extensions

  Granted Householder Extension
  Domestic

• 16 Waterbeach Welwyn Garden City AL7 2PT

  6/2021/0847/HOUSE Submitted 16 Mar 2021 280m away

  Erection of a two storey front infill extension

  Refused Householder Extension
  Domestic

• 22 Waterbeach Welwyn Garden City AL7 2PT

  6/2021/1803/HOUSE Submitted 10 Jun 2021 286m away

  Extension of existing driveway

  Refused Householder Extension
  Domestic

• 6/2026/1228/HOUSE Granted

  109 Mount Way Welwyn Garden City AL7 4LA

  Erection of single storey front extension

  13 Jul 2026 Householder
• 6/2026/1011/HOUSE Granted

  5 Brookside Crescent Cuffley Potters Bar EN6 4QW

  Erection of rear extension, single storey side extension, new porch, additions/alterations to windows on side elevation and demolition of garage

  9 Jun 2026 Householder
• 6/2026/0703/HOUSE Granted

  57 Great North Road Brookmans Park AL9 6LA

  Erection of part double part single storey rear extension, single storey front porch extension, raising of roof and eaves to accommodate loft conversion, alterations to materials and fenestration, erection of front boundary wall and gates

  20 Apr 2026 Householder
• 6/2026/0534/HOUSE Refused

  16 Chipmunk Chase Hatfield AL10 9GH

  Retention of single storey rear extension and garage conversion to study/office

  24 Mar 2026 Householder
• 6/2026/1175/HOUSE Granted

  5A Honeycroft Welwyn Garden City AL8 6HR

  Erection of a single storey rear extension, alterations to opening on side elevation and garden room with covered area following demolition of conservatory

  7 Jul 2026 Householder