12 Fern Dells Hatfield AL10 9HX

1. 15 Jul 2021

   Received by Welwyn Hatfield

2. 19 Aug 2021

   Decision issued: Granted

3. 15 Aug 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 19 August 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.

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.

• 20 Roe Green Close Hatfield AL10 9PE

  6/2019/2646/LAWP Submitted 21 Oct 2019 100 yards away

  Certificate of lawfulness for the erection of a single storey side, single and two storey rear extensions and installation of rear roof light following demolition of existing conservatory and rear extension

  Withdrawn Lawful development Extension Loft or dormer +1
  Small domestic

• 61 Roe Green Close Hatfield AL10 9PF

  6/2024/1910/HOUSE Submitted 4 Oct 2024 200 yards away

  Erection of single storey side and two storey rear extensions

  Granted Householder Extension
  Small domestic

• 51 Roe Green Close Hatfield AL10 9PF

  6/2021/1178/HOUSE Submitted 12 Apr 2021 200 yards away

  Erection of a two storey side to rear extension

  Granted Householder Extension
  Domestic

• 51 Roe Green Close Hatfield AL10 9PF

  6/2025/1887/FULL Submitted 3 Sep 2025 200 yards away

  Erection of a two storey rear and side extension

  Granted Full applications Extension

• 53 Flat 1 Roe Green Close Hatfield AL10 9PF

  6/2024/1201/LAWE Submitted 27 Jun 2024 200 yards away

  Certificate of lawfulness for the existing use of ground floor as 4 separate self-contained residential units

  Granted Lawful development

• 76 College Lane Hatfield AL10 9PQ

  6/2021/0544/HOUSE Submitted 19 Feb 2021 200 yards away

  Change of external appearance to dwelling from brickwork to render and retention of pitched garage roof

  Granted Householder
  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