98 Harmer Green Lane Digswell Welwyn Hertfordshire AL6 0ES

1. 18 Jan 2023

   Received by Welwyn Hatfield

2. 23 Jan 2023

   Validated

   Checked as complete and ready for consideration.

3. 21 Apr 2023

   Decision issued: Refused

4. 22 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.

• 98 Harmer Green Lane Digswell Welwyn AL6 0ES

  6/2026/1200/HOUSE Submitted 10 Jul 2026 50 yards away

  87% historically approved · decision due ~7 Sep

  Formation of front boundary gate with brick piers and erection of rear extension, rear orangery, side porch canopy, replacement front porch, alterations to the fenestration including replacement windows, infilling the garage door, replacement roof tiles, replacement pool in new location, bore hole, Installation of rooflights, swimming pond, formation of glass balustrade at the rear, flint cladding/masonary treatment, garden outbuildings including a workshop, gym, shepherds hut, sauna and greenhouse, ev charger and heat source pump

  Awaiting decision Householder Extension Loft or dormer +2
  Small domestic

• 102 Harmer Green Lane Digswell Welwyn AL6 0ES

  6/2021/0554/LAWP Submitted 22 Feb 2021 150 yards away

  Certificate of Lawfullness for rear and side enlargement to existing dwelling under permitted development rights

  Granted Lawful development
  Domestic

• 106 Harmer Green Lane Digswell Welwyn AL6 0ET

  6/2021/1239/LAWP Submitted 16 Apr 2021 150 yards away

  Certificate of lawfulness for the erection of a side extension, a porch and an outbuilding

  Granted Lawful development Extension
  Small domestic

• 106 Harmer Green Lane Digswell Welwyn AL6 0ET

  6/2021/1227/PN8 Submitted 15 Apr 2021 150 yards away

  Prior approval for the erection of a single storey rear extension measuring 7.90m. in depth, 3.80m. in heights, 2.40m. to the eaves.

  Granted Prior approval Extension
  Small domestic

• 94 Harmer Green Lane Digswell Welwyn AL6 0EP

  6/2024/2052/PN19 Submitted 24 Oct 2024 250 yards away

  Prior approval for the erection of an agricultural building measuring 15m in length, 16m in width, 3.6m to the eaves and 5.5m to the ridge

  Refused Prior approval

• 1 Barneswood Digswell Welwyn AL6 0EU

  6/2021/1597/HOUSE Submitted 19 May 2021 300 yards away

  Erection of single storey glazed rear infill extension and reduction of the size of the existing garage.

  Granted Householder Extension Windows or glazing
  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