44 Mill Lane Welwyn Hertfordshire AL6 9ET

1. 24 Mar 2023

   Received by Welwyn Hatfield

2. 17 May 2023

   Decision issued: Granted

3. 22 Sep 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 17 May 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.

• 44 Mill Lane Welwyn AL6 9ET

  6/2026/0773/TC Submitted 1 May 2026 50 yards away

  TG1 Sycamore, Prunus and Hazel - Coppice/pollard the Sycamore and Hazel to the height of the Laurel hedge and bring the height of the dead/Ivy-clad parts of the Prunus down to match on the waterside. Prune the remaining parts of the Prunus leaning back into the garden of 44 to shape and balance the crown. T1 Ash - Remove the lowest limb going over the water at the back into the phone wires. To do so, we will also need to remove the 2 lowest limbs at the front to set up a lowering line.

  Granted Trees

• 44 Mill Lane Welwyn AL6 9ET

  6/2024/1864/TC Submitted 27 Sep 2024 50 yards away

  1. Hawthorn - Cut back over the river hard to viable growth points 2. Purple Plum - Cut back over the river hard to viable growth points 3. Contorted Willow - Reduce to previous points. This will amount to up to 1.5m of growth 4. Apple - Reduce to previous points. This will amount to up to 1m of growth 5. Spruce - Fell to ground level. 6. Alder - Crown lift to 2 metres on garden side (secondary growth only) 7 - Mulberry - Reduce in height by approximately 2m to viable growth points. Cut back hard over the driveway and shape in with the remaining crown 8 - Ash - Cut back over the river hard to viable growth points

  Granted Trees

• Parkside Cottage 56 Mill Lane Welwyn AL6 9ES

  6/2024/1724/LB Submitted 9 Sep 2024 50 yards away

  Replacement of lead roof covering to first floor dormer

  Granted Heritage and listed buildings Loft or dormer Roofing

• Parkside Cottage 56 Mill Lane Welwyn AL6 9ES

  6/2024/1492/COND Submitted 6 Aug 2024 50 yards away

  Submission of details pursuant to condition number 1 (method and extent of brick repairs) and 2 (sample panel) on consent 6/2024/0692/LB

  Granted Conditions

• 36 Prospect Place Welwyn AL6 9EN

  6/2024/2006/TC Submitted 18 Oct 2024 50 yards away

  T1-Indian Bean tree - Crown reduce all round by 2-3 metres to maintain size and shape for garden

  Granted Trees

• 1 Orchard Road Welwyn Hertfordshire AL6 9EX

  6/2022/2777/HOUSE Submitted 7 Dec 2022 50 yards away

  Erection of single storey side extension, front porch extension and alterations to roof and replacement fenestration

  Withdrawn Householder Extension Windows or glazing
  Small domestic

• 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
• 6/2026/1370/LAWP Granted

  17-17A Mill Lane Welwyn AL6 9EU

  Certificate of lawfulness for the change of use of offices to 3 x 2 bedroom flats

  Received 3 Aug, published by the council 15 Aug 2026 Lawful development
• 6/2026/1218/LAWP Granted

  43 Great Ley Welwyn Garden City AL7 4TJ

  Certificate of lawfulness for rear dormer roof extension to form a loft conversion

  Received 13 Jul, published by the council 9 Aug 2026 Lawful development
• 6/2026/1559/LAWP Awaiting decision

  28 Pleasant Rise Hatfield AL9 5DU

  Certificate of lawfulness for construction of a new detached, single-storey garden room/summerhouse within an existing rear garden

  Received 8 Sep, published by the council 22 Sep 2026 Lawful development