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Planning application

17 Tewin Road Welwyn Garden City AL7 1BD

Granted Welwyn Hatfield 6/2026/0921/FULL FULL PERMISSION

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Erection of a substation and ancillary infrastructure

As published by the council, reference 6/2026/0921/FULL

Application record

Reference
6/2026/0921/FULL
Type
FULL PERMISSION
Status
Decided - Granted
Decision
Granted
Received
22 May 2026
Validated
22 May 2026
Decided
17 Jul 2026
Ward
Peartree
Decision by
Delegated
Postcode
AL7 1BD

Site history

Applications at this address on the Welwyn Hatfield register

This site has had 2 applications since 2024: 2 approved, 0 refused.

  • 17 Tewin Road Welwyn Garden City AL7 1BD

    Submission of details pursuant of Condition 3 (External Materials Schedule) and Condition 4 (Cycle Store Details) on planning permission 6/2022/0709/MAJ

    Decided 29 Nov 2024 Conditions

Timeline

Dates from the published record

  1. 22 May 2026

    Received by Welwyn Hatfield

  2. 17 Jul 2026

    Decision issued: Granted

  3. 24 Jul 2026

    Added to PlanIndex

What this grant of permission means

Welwyn Hatfield granted permission on 17 July 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.

About full applications

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.

Nearby applications

Within 0.3 miles

  • 20 Black Fan Road Welwyn Garden City AL7 1QA

    6/2022/2227/FULL Submitted 27 Sep 2022 50 yards away

    Installation of a “private-wire” electricity cable between the Energy Centre, Tewin Road and Colt Technology Services Group Limited (Option 2).

    Withdrawn Full applications
  • 20 Black Fan Road Welwyn Garden City AL7 1QA

    6/2022/2226/FULL Submitted 27 Sep 2022 50 yards away

    Installation of a “private-wire” electricity cable between the Energy Centre, Tewin Road and Colt Technology Services Group Limited (Option 1).

    Granted Full applications
  • 20 Black Fan Road Welwyn Garden City AL7 1QA

    6/2022/2228/FULL Submitted 27 Sep 2022 50 yards away

    Installation of a “private-wire” electricity cable between the Energy Centre, Tewin Road and Colt Technology Services Group Limited, 20 Black Fan Road, Welwyn Garden City, AL7 1QA (Option 3).

    Granted Full applications
  • 20 Black Fan Road Welwyn Garden City AL7 1QA

    6/2022/2230/FULL Submitted 27 Sep 2022 50 yards away

    Installation of a “private-wire” electricity cable between the Energy Centre, Tewin Road and Colt Technology Services Group Limited, 20 Black Fan Road, Welwyn Garden City, AL7 1QA (Option 5).

    Granted Full applications
  • 20 Black Fan Road Welwyn Garden City AL7 1QA

    6/2022/2229/FULL Submitted 27 Sep 2022 50 yards away

    Installation of a “private-wire” electricity cable between the Energy Centre, Tewin Road and Colt Technology Services Group Limited (Option 4).

    Granted Full applications
  • 17 Tewin Road Welwyn Garden City AL7 1BD

    6/2024/1939/COND Submitted 9 Oct 2024 100 yards away

    Submission of details pursuant of Condition 3 (External Materials Schedule) and Condition 4 (Cycle Store Details) on planning permission 6/2022/0709/MAJ

    Granted Conditions

In Welwyn Hatfield

  • 6/2026/1124/FULL Withdrawn

    39 The Ridgeway Northaw EN6 4BD

    Proposed construction of new house and garage following demolition of existing house and garage

    Received 29 Jun, published by the council 24 Jul 2026 Full applications
  • Old Owen's Sports Ground Coopers Lane Potters Bar EN6 4NF

    Installation of 1 no. single padel court

    Received 27 May, published by the council 24 Jul 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

    Received 27 Apr, published by the council 24 Jul 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

    Received 13 Jul, published by the council 30 Jul 2026 Full applications
  • 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

    Received 1 Jun, published by the council 30 Jul 2026 Full applications