15 Parkside Gardens, Sion Mills, BT82 9LT

1. 7 Sep 2026

   Received by Derry City and Strabane

2. 11 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 12 Sep 2026

   Added to PlanIndex

4. 18 Sep 2026

   Status changed to Consultation Open

   Previously Valid.

5. Decision

   Awaiting decision

   Decision expected by 6 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Derry City and Strabane took a median of 100 days over the applications it decided in the last year.

This application is with Derry City and Strabane for determination, against a statutory target of eight weeks. Over the last year Derry City and Strabane decided full applications in a median of 119 days. More in our guide to how long planning decisions take.

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.

• 8 Parkside Gardens Sion Mills Strabane BT82 9LT

  LA11/2026/0012/F Submitted 6 Jan 2026 50 yards away

  proposed rear single storey extension to dwelling

  Granted Full applications Extension 16 docs
  Small domestic

• 32 PARKSIDE GARDENS LIGGARTOWN SION MILLS BT82 9LT

  LA11/2026/0392/F Submitted 21 May 2026 100 yards away

  Proposed single storey extension to rear of dwelling, bay window to front and replace vertical tiled cladding to elevations with rendered finish

  Granted Full applications Extension Windows or glazing 10 docs
  Small domestic

• 5 Victoria Place, Sion Mills, BT82 9HL

  LA11/2025/0793/F Submitted 11 Nov 2025 250 yards away

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

  Granted Full applications 24 docs

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

  LA11/2023/1262/F Submitted 23 Jan 2023 300 yards away

  Proposed change of use of existing building from retail to residential

  Granted Full applications 15 docs

• Memorial in Front of 151 Melmount Road, Sion Mills

  LA11/2026/0394/DCA Submitted 21 May 2026 350 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

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

  LA11/2021/0514/F Submitted 4 May 2021 350 yards away

  PROPOSED FLAT ROOFED SINGLE STOREY EXTENSION TO REAR OF DWELLING

  Granted Full applications Extension 14 docs
  Small domestic

• 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