Buildings 1 & 2 Trident Place Hatfield Business Park Hatfield Mosquito Way AL10 9UL

1. 19 Mar 2021

   Received by Welwyn Hatfield

2. 28 Apr 2021

   Validated

   Checked as complete and ready for consideration.

3. 23 Jun 2021

   Decision issued: Granted

4. 9 Aug 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 23 June 2021, 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 full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• Premier Inn Lemsford Road Hatfield AL10 0DA

  6/2026/0799/ADV Submitted 6 May 2026 226m away

  Installation of one internally illuminated fascia sign

  Granted Advertising

• Premier Inn Lemsford Road Hatfield AL10 0DA

  6/2024/1323/MAJ Submitted 10 Jul 2024 227m away

  Demolition of existing hotel restaurant and replacement with new building providing additional hotel bedrooms and breakfast room, together with alterations to the car park and all associated works

  Granted Full applications Demolition
  Major scheme

• Hertfordshire Constabulary Central Area Headquarters And Hatfield Police Station Comet Way Hatfield AL10 9SJ

  6/2023/0330/TPO Submitted 10 Feb 2023 262m away

  T9-T10 Willow x 2. Re pollard back to historic points. Trees covered by TPO 701 (2017)

  Granted Trees

• Hertfordshire Constabulary Central Area Headquarters And Hatfield Police Station Comet Way Hatfield AL10 9SJ

  6/2026/0617/TPO Submitted 8 Apr 2026 264m away

  T9 Weeping willow to remove limb with large hollow at approximately 2m SE side. T10 Weeping willow to remove large central limb growing towards police station. Covered by TPO 701 (2017)

  Granted Trees

• Hatfield Police Station Comet Way Hatfield AL10 9SJ

  6/2026/0285/LB Submitted 19 Feb 2026 272m away

  Installation of various illuminated signage and logos mounted on standalone totems and building façade

  Granted Heritage and listed buildings 1 doc

• 77 Jasmine Gardens Hatfield AL10 0BN

  6/2026/1142/HOUSE Submitted 1 Jul 2026 302m away

  83% historically approved · decision due ~18 Sep

  Erection of a front boundary timber fence

  Awaiting decision Householder
  Small domestic

• 6/2026/0929/FULL Granted

  Old Owen's Sports Ground Coopers Lane Potters Bar EN6 4NF

  Installation of 1 no. single padel court

  27 May 2026 Full applications
• 6/2026/0740/FULL Withdrawn

  Land to the rear of 8 Birds Close Welwyn Garden City AL7 4AR

  Erection of a single storey detached dwelling with basement

  27 Apr 2026 Full applications
• 6/2026/1231/FULL Withdrawn

  St Johns Church Of England Jmi School Lemsford Village Lemsford Welwyn Garden City AL8 7TR

  Installation of new fencing and gates across the school boundary adjacent to the main road

  13 Jul 2026 Full applications
• 6/2026/0960/FULL Refused

  15 Tiger Moth Way Hatfield AL10 9LT

  Change of use of general amenity land to residential garden and erection of a 2 metre high timber boundary fence following removal of existing hedge and boundary treatment

  1 Jun 2026 Full applications
• 6/2026/0300/FULL Refused

  Warren Lodge Stables Great North Road Hatfield AL9 5JX

  Change of use of land to use as a Gypsy/Traveller caravan site, comprising 9 pitches each accommodating two caravans, including no more than one static caravan/mobile home per pitch, together with the laying of hardstanding and erection of acoustic fence

  19 Feb 2026 Full applications