50 Carvers Croft Woolmer Green Hertfordshire SG3 6LX

1. 7 Feb 2023

   Received by Welwyn Hatfield

2. 4 Apr 2023

   Decision issued: Granted

3. 9 Aug 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 4 April 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.

• 9 New Road Woolmer Green SG3 6JX

  6/2022/2860/HOUSE Submitted 19 Dec 2022 50 yards away

  Erection of single storey rear infill extension with roof lantern, raised patio and replacement of existing windows following the demolition of an existing conservatory

  Granted Householder Extension Demolition +1
  Small domestic

• 26 New Road Knebworth SG3 6JX

  6/2023/0203/HOUSE Submitted 27 Jan 2023 100 yards away

  Erection of ground floor infill extension and modifications to existing rear extension

  Granted Householder Extension
  Domestic

• 31 New Road Knebworth SG3 6LA

  6/2021/1981/HOUSE Submitted 29 Jun 2021 150 yards away

  Demolishing existing conservatory and construction of a single storey kitchen / utility extension.

  Granted Householder Extension
  Small domestic

• 2 Mardleybury Court Woolmer Green Knebworth SG3 6LP

  6/2019/2855/COND Submitted 12 Nov 2019 150 yards away

  Submission of details pursuant to condition 6 (arboricultural method statement) on planning permission 6/2019/0909/FULL

  Granted Conditions

• 9A London Road Knebworth SG3 6LG

  6/2021/1374/HOUSE Submitted 29 Apr 2021 150 yards away

  Erection of a single storey rear extension to facilitate dining room.

  Granted Householder Extension
  Small domestic

• 7 Garden Close Knebworth SG3 6JF

  6/2021/1723/LAWP Submitted 1 Jun 2021 150 yards away

  Certificate of lawfulness for a single storey rear extension

  Granted Lawful development Extension 1 doc
  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