7 Garden Close Knebworth SG3 6JF

1. 1 Jun 2021

   Received by Welwyn Hatfield

2. 22 Jul 2021

   Decision issued: Granted

3. 24 Jul 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 22 July 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.

• 5 Evergreen Close Woolmer Green SG3 6JN

  6/2026/0880/TPO Submitted 19 May 2026 50 yards away

  Retrospective 5 day notice: Fell 1 dead silver birch TPO 105

  Granted Trees

• 4 Evergreen Close Woolmer Green SG3 6JN

  6/2026/1391/TPO Submitted 6 Aug 2026 50 yards away

  97% historically approved · decision due ~1 Oct

  Crown reduction of a Silver Birch tree by up to 20% (approximately 2 - 3 metres) to reduce branch spread and weight. Work is required to manage size, prevent encroachment and maintain tree health Reduce overhanging branches by approximately 2 metres to prevent encroachment over the driveway and reduce pigeon fouling on vehicles The tree is close to the house and has grown too large for the garden so the works are required to manage its size and maintain its health TPO 105 T3

  Awaiting decision Trees

• 26 New Road Knebworth SG3 6JX

  6/2023/0203/HOUSE Submitted 27 Jan 2023 50 yards away

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

  Granted Householder Extension
  Domestic

• Land Off London Road Woolmer Green Knebworth Hertfordshire SG3 6JZ

  25/01841/ADJ Submitted 21 Jul 2025 100 yards away

  91% historically approved · decision due ~15 Sep

  Approval of reserved matters (layout, scale, appearance and landscaping) for residential development pursuant to condition 1 (reserved matters), condition 2 (submission of reserved matters), condition 3 (reserved matters layout), condition 4 (landscaped buffer), condition 6 (detailed engineering details), condition 9 (Biodiversity), condition 10 (Health Impact Assessment), condition 11 (written scheme of investigation), condition 13 (surface water) and condition 25 (noise assessment) of outline planning permission (ref: 6/2023/2552/OUTLINE) comprising 150 dwellings, public open space, car parking ,and associated infrastructure works. NORTH HERTS DISTRICT COUNCIL : ADJACENT AUTHORITY : CONSULTEE ONLY

  Awaiting decision Outline New dwelling 2 docs
  Major scheme

• Land Off London Road Woolmer Green Knebworth Hertfordshire SG3 6JZ

  25/01358/ADJ Submitted 21 May 2025 100 yards away

  91% historically approved · decision due ~16 Jul

  Outline planning application for the erection of up to 150 residential dwellings with the provision of affordable housing, public open space, landscaping, sustainable drainage system (SuDS) and vehicular access point. All matters reserved except for means of access. NORTH HERTS DISTRICT COUNCIL: ADJACENT AUTHORITY : CONSULTEE ONLY.

  Awaiting decision Outline 1 doc

• 43 London Road Woolmer Green Hertfordshire SG3 6JE

  6/2023/0582/HOUSE Submitted 14 Mar 2023 150 yards away

  Erection of a part single storey, part two storey rear extension with juliet balcony and rooflights, alterations to porch and existing openings, insertion of new windows in flank wall and removal of chimney, following the demolition of the existing rear conservatory

  Granted Householder Extension Loft or dormer +2
  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