21 Whitethorn Welwyn Garden City AL7 3EX

1. 19 Feb 2026

   Received by Welwyn Hatfield

2. 22 May 2026

   Decision issued: Granted

3. 9 Aug 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 22 May 2026, 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.

The published feed does not state which type of application this is; the register entry on Welwyn Hatfield's portal will say. Our guide explains the common types.

• 180 Heronswood Road Welwyn Garden City AL7 3EU

  6/2026/0832/EM Submitted 12 May 2026 46m away

  Install inline rooftop solar panels front and back (14 rear, 10 front), with back garden installations of backup battery and air source heat pump unit

  Granted

• 22 Whitethorn Welwyn Garden City AL7 3EX

  6/2022/2606/FULL Submitted 15 Nov 2022 53m away

  Change of use from unallocated general car parking to the rear of 22 Whitethorn to the use for private car parking as part of the residential curtilage of 22 Whitethorn.

  Granted Full applications

• 16 Whitethorn Welwyn Garden City AL7 3EX

  6/2024/1621/EMT Submitted 23 Aug 2024 59m away

  Remove three poplar trees.

  Granted Trees

• 185 Heronswood Road Welwyn Garden City AL7 3JH

  6/2021/1226/EM Submitted 15 Apr 2021 82m away

  Construct off-street car parking space

  Withdrawn

• 191 Heronswood Road Welwyn Garden City AL7 3JH

  6/2024/1223/EM Submitted 28 Jun 2024 93m away

  Remove part of hedgerow at front of house. The hedgerow that divides the front garden and the owned hard standing

  Granted Trees

• 7 Linces Way Welwyn Garden City AL7 3JN

  6/2021/1502/HOUSE Submitted 11 May 2021 94m away

  Erection of single storey rear extension with roof light following the demolition of existing conservatory

  Granted Householder Extension Loft or dormer +1
  Small domestic