54 Dellsome Lane Welham Green Hatfield AL9 7ND

1. 19 Mar 2021

   Received by Welwyn Hatfield

2. 22 Mar 2021

   Validated

   Checked as complete and ready for consideration.

3. 17 May 2021

   Decision issued: Granted

4. 9 Aug 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 17 May 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.

• 40 Dellsome Lane Welham Green Hatfield AL9 7ND

  6/2026/1250/LAWP Submitted 16 Jul 2026 55m away

  81% historically approved · decision due ~11 Sep

  Certificate of lawfulness for Class A - Larger single storey rear extension (previously subject to prior approval application ref: 6/25/1851/PN8), Class B - Roof extension/hip to gable conversion, Class C - Other alterations to roof

  Awaiting decision Lawful development Extension Loft or dormer
  Small domestic

• 95 Dellsome Lane Welham Green Hatfield AL9 7NE

  6/2021/1441/LAWP Submitted 7 May 2021 80m away

  Certificate of lawfulness for proposed loft conversion, including three rooflights and one window on the rear dormer.

  Granted Lawful development Loft or dormer Windows or glazing

• 6 Parsonage Lane Welham Green Hatfield AL9 7LU

  6/2021/1778/HOUSE Submitted 8 Jun 2021 81m away

  Erection of a two storey side and rear extension, demolition of garage and alterations to fenestration

  Granted Householder Extension Demolition +1
  Domestic

• 2 Parsonage Lane Welham Green Hatfield AL9 7LU

  6/2026/0989/LAWP Submitted 4 Jun 2026 91m away

  Certificate of lawfulness for the erection of a single storey rear extension

  Granted Lawful development Extension
  Small domestic

• 9 Huggins Lane Welham Green Hatfield AL9 7LT

  6/2021/1548/PN8 Submitted 14 May 2021 116m away

  Prior approval for the erection of a single storey rear extension measuring 5m in depth, 3.2m in height and 3m to the eaves.

  Decided Prior approval Extension
  Small domestic

• 6 Huggins Lane Welham Green Hatfield AL9 7LR

  6/2026/1203/HOUSE Submitted 8 Jul 2026 116m away

  83% historically approved · decision due ~22 Sep

  Erection of a two storey side extension.

  Awaiting decision 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