15 Worcester Road Hatfield AL10 0DU

1. 8 Jun 2026

   Received by Welwyn Hatfield

2. 24 Jul 2026

   Added to PlanIndex

3. 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 24 Worcester Road Hatfield AL10 0DX

  6/2022/2638/HOUSE Submitted 21 Nov 2022 50m away

  Erection of single storey front/side extension

  Granted Householder Extension
  Small domestic

• 18 Worcester Road Hatfield AL10 0DX

  6/2021/1827/LAWP Submitted 14 Jun 2021 64m away

  Certificate of lawfulness for erection of rear outbuilding

  Granted Lawful development

• 18 Worcester Road Hatfield AL10 0DX

  6/2021/1829/HOUSE Submitted 14 Jun 2021 64m away

  Demolition of rear conservatory and erection of single storey rear extension and front lean to porch.

  Granted Householder Extension Demolition
  Small domestic

• 18 Worcester Road Hatfield AL10 0DX

  6/2026/0538/HOUSE Submitted 24 Mar 2026 64m away

  Erection of single storey rear extension and front lean to porch following the demolition of rear conservatory

  Granted Householder Extension Demolition
  Small domestic

• 7 Ely Close Hatfield AL10 0DW

  6/2026/1189/LAWE Submitted 8 Jul 2026 75m away

  81% historically approved · decision due ~2 Sep

  Certificate of lawfulness for the existing use of the property as a HMO (C4)

  Awaiting decision Lawful development

• 15 Ely Close Hatfield AL10 0DW

  6/2026/0419/FULL Submitted 6 Mar 2026 91m away

  Retrospective change of use from a dwellinghouse (use class C3) to a 4 bedroom HMO (use class C4) and installation of a bike shed

  Granted Full applications
  Small domestic

• 6/2026/1370/LAWP Granted

  17-17A Mill Lane Welwyn AL6 9EU

  Certificate of lawfulness for the change of use of offices to 3 x 2 bedroom flats

  Received 3 Aug, published by the council 15 Aug 2026 Lawful development
• 6/2026/1218/LAWP Granted

  43 Great Ley Welwyn Garden City AL7 4TJ

  Certificate of lawfulness for rear dormer roof extension to form a loft conversion

  Received 13 Jul, published by the council 9 Aug 2026 Lawful development
• 6/2026/1250/LAWP Granted

  40 Dellsome Lane Welham Green Hatfield AL9 7ND

  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

  Received 16 Jul, published by the council 9 Aug 2026 Lawful development
• 6/2026/1210/LAWE Refused

  9 Flamingo Close Hatfield AL10 9LU

  Certificate of lawfulness for the existing use of the property as a HMO (Use Class C4) in continuous use for over 10 years

  Received 10 Jul, published by the council 9 Aug 2026 Lawful development
• 6/2026/0735/LAWE Refused

  1 Northaw Place Coopers Lane Northaw Potters Bar EN6 4NQ

  Certificate of lawfulness for the existing use of the land as residential garden land ancillary to the dwellinghouse continuously since 2012

  Received 27 Apr, published by the council 24 Jul 2026 Lawful development