Railway Cottage 1-2 Marshmoor Lane Welham Green Hatfield AL9 7HT

1. 9 Jan 2023

   Received by Welwyn Hatfield

2. 6 Mar 2023

   Decision issued: Granted

3. 9 Aug 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 6 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.

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.

• The Willows Marshmoor Lane Welham Green Hatfield AL9 7HT

  6/2026/0433/HOUSE Submitted 10 Mar 2026 100 yards away

  Extension of existing residential dwelling, along with the demolition and re-construction of existing carport and store

  Refused Householder Extension Demolition 2 docs
  Domestic

• The Willows Marshmoor Lane Welham Green Hatfield AL9 7HT

  6/2026/0926/HOUSE Submitted 26 May 2026 100 yards away

  Extension of existing residential dwelling

  Granted Householder Extension
  Domestic

• Millwards House Great North Road Hatfield AL9 5SD

  6/2022/2492/FULL Submitted 31 Oct 2022 200 yards away

  Retention of metal fence to front of property

  Refused Full applications
  Small domestic

• Unit 1 Travellers Close Welham Green Hatfield AL9 7JL

  6/2021/2400/FULL Submitted 16 Aug 2021 250 yards away

  Expansion of office space into adjacent storage area, installation of 1 x window to front elevation and relocation of signage

  Granted Full applications Windows or glazing

• 51 Pooleys Lane Welham Green Hatfield AL9 7LG

  6/2021/1260/HOUSE Submitted 19 Apr 2021 250 yards away

  Erection of first floor side to rear extension

  Granted Householder Extension
  Domestic

• Alloy Sales Ltd Travellers Lane Welham Green Hatfield AL9 7HF

  6/2024/1412/VAR Submitted 24 Jul 2024 300 yards away

  Removal of condition 3 (use of premises) on planning permission S6/1981/0553

  Granted Amendments

• 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