63 Hillfield Hatfield AL10 0TY

1. 12 Apr 2021

   Received by Welwyn Hatfield

2. 26 Apr 2021

   Validated

   Checked as complete and ready for consideration.

3. 21 Jun 2021

   Decision issued: Refused

4. 9 Aug 2026

   Added to PlanIndex

Welwyn Hatfield refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 105 Great North Road Hatfield AL9 5LR

  6/2024/1586/FULL Submitted 21 Aug 2024 50 yards away

  Erection of a three bedroom detached dwellinghouse

  Granted Full applications
  Domestic

• 66 Hillfield Hatfield AL10 0TU

  6/2024/1435/PN8 Submitted 30 Jul 2024 100 yards away

  Prior approval for the erection of a single storey rear extension measuring 3.33m in depth, 2.90m in height and 2.53m to the eaves

  Granted Prior approval Extension
  Small domestic

• 55 Wood Common Hatfield AL10 0UE

  6/2026/0948/HOUSE Submitted 29 May 2026 150 yards away

  Erection of part single, part two storey rear extension and installation of two windows within the right elevation.

  Refused Householder Extension Windows or glazing
  Domestic

• 55 Wood Common Hatfield AL10 0UE

  6/2026/1579/HOUSE Submitted 10 Sep 2026 150 yards away

  87% historically approved · decision due ~11 Nov

  Erection of part single, part two storey rear extension and the installation of two new windows within the side elevation

  Awaiting decision Householder Extension Windows or glazing
  Domestic

• 126 Great North Road Hatfield AL9 5JN

  6/2026/0210/FULL Submitted 6 Feb 2026 200 yards away

  Extension to refrigeration area

  Granted Full applications Extension

• 126 Great North Road Hatfield AL9 5JN

  6/2022/2186/FULL Submitted 21 Sep 2022 200 yards away

  Repositioning of access gates, installation of new crossover on Hertfordshire Highways land, retention of two storey storage containers, single storey rear extension and hardstanding area for parking, loading and turning of vehicles.

  Granted Full applications Extension
  Small domestic

• 6/2026/1287/LAWE Refused

  Woodhurst Farm, Stables Cattlegate Road Northaw Potters Bar EN2 8AU

  Certificate of Lawfulness for existing use of a former agricultural building (Barn) as a self- contained single residential dwelling house (Use Class C3) following its conversion and continuous occupation for a period in excess of 10 years prior to the date of this application

  Received 22 Jul, published by the council 9 Aug 2026 Lawful development
• 6/2026/1306/LAWP Granted

  184 Unit 4 St Albans Road West Hatfield AL10 0TF

  Certificate of lawfulness for the change of use of the front office portion of Unit 4 to a daycare/crèche facility, to include an internal mezzanine, within Use Class E.

  Received 27 Jul, published by the council 22 Aug 2026 Lawful development
• 6/2026/1328/LAWP Granted

  41 Great North Road Welwyn Garden City AL8 7TJ

  Certificate of lawfulness for a proposed hip to gable loft conversion with rear facing dormer and single storey side extension, plus insertion of rooflight to front elevation

  Received 29 Jul, published by the council 9 Aug 2026 Lawful development
• 6/2026/1288/LAWE Granted

  1 The Limberlost Welwyn AL6 9TS

  Certificate of existing lawfulness for a single storey extension

  Received 22 Jul, published by the council 22 Aug 2026 Lawful development
• 6/2026/1297/LAWE Granted

  White Lodge Farm The Bellbrook Bulls Lane Hatfield AL9 7AZ

  Certificate of lawfulness in relation to existing gate and fencing

  Received 23 Jul, published by the council 9 Aug 2026 Lawful development