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 0m away

  83% 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 128m 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 133m 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 133m 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 248m 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 263m 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

• 6/2026/0735/LAWE Refused

  1 Northaw Place Coopers Lane Northaw Potters Bar EN6 4NQ

  Certificate of lawfulness for the existing use of the land as residential garden land ancillary to the dwellinghouse continuously since 2012

  27 Apr 2026 Lawful development
• 6/2026/1132/LAWE Refused

  19 Cunningham Avenue Hatfield AL10 9LR

  Certificate of existing lawfulness of a 5 person HMO since 6 April 2006

  30 Jun 2026 Lawful development
• 6/2026/1506/LAWP Awaiting decision

  Gosmore Brocket Road Welwyn Garden City AL8 7TT

  Erection of single storey side extensions x 2 and two storey rear extension

  27 Aug 2026 Lawful development
• 6/2026/1503/LAWE Awaiting decision

  27 Batterdale Hatfield AL9 5JG

  Certificate of lawfulness for the existing like-for-like replacement of damaged and aged windows on the front and rear elevations

  26 Aug 2026 Lawful development
• 6/2026/1044/LAWP Granted

  5 Peartree Court Welwyn Garden City AL7 3XN

  Certificate of lawfulness for the change of use from C3 (dwellinghouse) to C4 (HMO for up to 6 unrelated residents)

  15 Jun 2026 Lawful development