25 Sycamore Avenue, Sion Mills, BT82 9HT

1. 13 Aug 2026

   Received by Derry City and Strabane

2. 20 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 27 Aug 2026

   Added to PlanIndex

4. 21 Sep 2026

   Decision issued: Granted

5. 24 Sep 2026

   Status changed to Determined

   Previously Under Consideration.

Derry City and Strabane granted permission on 21 September 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.

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.

• 6 THE TERRACE (SION TERRACE) SION MILLS BT82 9HB

  LA11/2021/0514/F Submitted 4 May 2021 50 yards away

  PROPOSED FLAT ROOFED SINGLE STOREY EXTENSION TO REAR OF DWELLING

  Granted Full applications Extension 14 docs
  Small domestic

• 6 The Terrace (Sion Terrace) Sion Mills BT82 9HB

  LA11/2021/0584/LBC Submitted 4 May 2021 50 yards away

  Proposed single storey flat roofed rear extension

  Granted Heritage and listed buildings Extension 16 docs
  Small domestic

• Lands on western periphery of Sion Mills, north of Garden Road and 100m to the east of Larch Drive

  LA11/2025/0704/O Submitted 5 Oct 2025 100 yards away

  Erection of 14no. dwellings and all associated works (Amended description)

  Granted Outline 55 docs
  Major scheme

• Memorial in Front of 151 Melmount Road, Sion Mills

  LA11/2026/0394/DCA Submitted 21 May 2026 250 yards away

  The completion of repair and restoration works to the stone memorial and boundary wall - including replacement of coping, replacement of fence posts with railing, removal of trees to allow for new planters, and removal of existing concrete base to allow for new pavers.

  Granted Heritage and listed buildings Trees 17 docs
  Small domestic

• 3 Main Street, Sion Mills, Strabane, BT82 9HG

  LA11/2023/1262/F Submitted 23 Jan 2023 250 yards away

  Proposed change of use of existing building from retail to residential

  Granted Full applications 15 docs

• 5 Victoria Place, Sion Mills, BT82 9HL

  LA11/2025/0793/F Submitted 11 Nov 2025 300 yards away

  Proposed Change of Use from Shop (Class A1) to Community Use (Class D1)

  Granted Full applications 24 docs

• LA11/2026/0034/F Granted

  16 Woodburn Park, Londonderry, BT47 5PS

  proposed attic conversion, rear dormer, gable ground floor window and single storey rear extension to dwelling

  Received 16 Jan, published by the council 29 Jul 2026 Full applications
• LA11/2026/0269/F Granted

  10 Hazelbank Drive, Londonderry, BT47 3NS

  Proposed two storey rear extension to dwelling

  Received 30 Mar, published by the council 29 Jul 2026 Full applications
• LA11/2026/0731/F Awaiting decision

  31 Larkhill, Londonderry, BT48 8AT

  Rear ground floor extension

  Received 7 Oct, published by the council 12 Oct 2026 Full applications
• LA11/2026/0306/F Granted

  98 Duncastle Park, New Buildings, Londonderry, BT47 2QL

  Proposed first floor dormer extension to rear of dwelling

  Received 14 Apr, published by the council 29 Jul 2026 Full applications
• LA11/2026/0729/F Awaiting decision

  101 Creggan Heights Londonderry BT48 9QU

  Proposed rear extension to existing dwelling

  Received 6 Oct, published by the council 12 Oct 2026 Full applications