1 Oaklea Close Welwyn AL6 0QL

1. 21 Oct 2019

   Received by Welwyn Hatfield

2. 12 Nov 2019

   Validated

   Checked as complete and ready for consideration.

3. 17 Dec 2019

   Decision issued: Granted

4. 22 Aug 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 17 December 2019, 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.

• 12A Birch Grove Welwyn AL6 0QP

  6/2022/2722/TPO Submitted 1 Dec 2022 112m away

  Oak tree to crown reduce by 1m. Tree located in woodland to the rear covered by TPO 657 (2017) W1.

  Granted Trees

• 14 Birch Grove Welwyn AL6 0QP

  6/2026/0953/TPO Submitted 1 Jun 2026 125m away

  98% historically approved · decision due ~27 Jul

  T1-T10 Hornbeam - repollard back to previous pollard points roughly 3m cut back to main trunk. T11-T15 Hornbeam - 1.5m boundary cut back of all branches overhanging rear boundary.

  Awaiting decision Trees

• Oaklands Primary School Great North Road Welwyn AL6 0PX

  6/2021/1169/FULL Submitted 12 Apr 2021 147m away

  Erection of 85m squared single storey external classroom.

  Granted Full applications
  Small domestic

• Windy Ridge 40 Great North Road Welwyn AL6 0PX

  6/2026/0893/HOUSE Submitted 20 May 2026 165m away

  Erection of two storey front extension with dormers, alteration to openings

  Granted Householder Extension Loft or dormer
  Domestic

• 7 The Brambles Welwyn Hertfordshire AL6 0PG

  21/01400/FPH Submitted 30 Apr 2021 168m away

  Part single storey, part two storey side extension and a part single storey, part two storey rear extension

  Decided Householder Extension 8 docs
  Small domestic

• 7 The Brambles Welwyn Hertfordshire AL6 0PG

  21/02033/ADJ Submitted 2 Jul 2021 171m away

  Erection of single storey, part two storey side extension and a single storey, part two storey rear extension. NORTH HERTS DISTRICT COUNCIL : ADJACENT AUTHORITY : CONSULTEE ONLY

  Granted Outline Extension 7 docs
  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