15 Brooms Close Welwyn Garden City AL8 7JA

1. 12 Mar 2026

   Received by Welwyn Hatfield

2. 18 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 8 May 2026

   Decision issued: Granted

4. 9 Aug 2026

   Added to PlanIndex

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

This page mirrors an entry on the statutory planning register that Welwyn Hatfield is required to keep. The published feed for this record does not state which type of application it is, which is common for older entries and for some council systems; the register entry on the council portal will say, alongside the case officer and any consultation dates.

Every planning application follows the same broad path: submission, validation, publicity, then a decision by officers or committee. Our guide to planning application types explains the common types and what each can approve.

• 43 Great Dell Welwyn Garden City AL8 7HP

  6/2024/1619/HOUSE Submitted 23 Aug 2024 55m away

  First floor side extension, two storey rear extension and conversion of existing garage, alterations to openings on existing rear elevation with insertion of roof light to existing roof and formation of hardstanding to front

  Granted Householder Extension Loft or dormer
  Domestic

• 43 Great Dell Welwyn Garden City AL8 7HP

  6/2024/1604/EM Submitted 21 Aug 2024 55m away

  First floor side extension, two storey front extension and conversion of existing garage, alterations to openings on existing rear elevation with insertion of roof light to existing roof and formation of hardstanding to front

  Granted Extension Loft or dormer

• 45 Great Dell Welwyn Garden City AL8 7HP

  6/2026/0621/FULL Submitted 9 Apr 2026 56m away

  Change of use of amenity land to driveway area with part hedge removal, part two storey rear extension, roof lantern to existing kitchen roof and alterations to openings to rear

  Refused Full applications Extension Windows or glazing

• 45 Great Dell Welwyn Garden City AL8 7HP

  6/2026/0619/EM Submitted 8 Apr 2026 56m away

  90% historically approved · decision due ~1 Jul

  Part two storey rear extension, roof lantern to existing kitchen roof and alterations to openings to rear

  Awaiting decision Extension Windows or glazing

• 45 Great Dell Welwyn Garden City AL8 7HP

  6/2026/1427/FULL Submitted 13 Aug 2026 56m away

  81% historically approved · decision due ~8 Oct

  Change of use of amenity land to driveway area with part hedge removal, part two storey rear extension, roof lantern to existing kitchen roof and alterations to openings to rear

  Awaiting decision Full applications Extension Windows or glazing

• 45 Great Dell Welwyn Garden City AL8 7HP

  6/2024/1851/EM Submitted 26 Sep 2024 58m away

  Insertion of roof light and corner bi-fold doors to existing extension

  Granted Extension Loft or dormer +1