73 Thornleigh Drive, Lisburn, BT28 2DS

1. 1 Apr 2026

   Received by Lisburn and Castlereagh

2. 10 Jul 2026

   Decision issued: Granted

3. 29 Jul 2026

   Added to PlanIndex

Lisburn and Castlereagh granted permission on 10 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.

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.

• 66 Thornleigh Park, Lisburn, BT28 2DD

  LA05/2023/0992/F Submitted 12 Dec 2023 50 yards away

  Conversion of existing detached garage to living accommodation ancillary to the existing dwelling at No. 66 Thornleigh Park and single storey link extension to rear and side of existing dwelling. Existing garage height to be raised by approx. 300mm to allow for installation of thermal flooring. (Amended Description)

  Granted Full applications Extension 19 docs
  Small domestic

• 10 Monaville Gradens, Tonagh, Lisburn, BT28 2DE

  LA05/2026/0667/F Submitted 19 Aug 2026 350 yards away

  Proposed demolition of existing garage, construction of new single storey side and rear pitched roof extensions and associated site works

  Granted Full applications Extension Demolition 8 docs
  Small domestic

• 38 Richmond Avenue, Lisburn, BT28 2DL

  LA05/2026/0375/F Submitted 4 May 2026 400 yards away

  Two storey rear and side extension

  Granted Full applications Extension 8 docs

• 2 Richmond Drive, Lisburn, BT28 2DJ

  LA05/2026/0494/F Submitted 5 Jun 2026 400 yards away

  Retention of replacement patio area

  Granted Full applications 6 docs

• 5 Richmond Crescent, Lisburn, BT28 2BE

  LA05/2026/0532/F Submitted 20 Jun 2026 400 yards away

  2 no proposed dormers to side of existing dwelling and alterations to as built sunroom from original application

  Granted Full applications Loft or dormer 8 docs
  Domestic

• 5 Richmond Crescent, Lisburn, BT28 2BE

  LA05/2025/0809/NMC Submitted 11 Nov 2025 400 yards away

  Non material change to planning approval LA05/2019/1130/F Additional dormer to side elevation to provide additional headroom in bedroom. Dormer will have no windows as a window already exists in bedroom. Dormer will match already approved dormer in character

  Withdrawn Amendments Loft or dormer Windows or glazing 8 docs

• LA05/2026/0781/F Awaiting decision

  19 Hunter's Chase, Lower Ballinderry, Lisburn, BT28 2BJ

  END EXTESNION TO DWELLING

  Received 5 Oct, published by the council 7 Oct 2026 Full applications
• LA05/2026/0780/F Awaiting decision

  245 Comber Road, Lisburn, BT27 6XZ

  Section 54 application to remove condition 5 of planning approval S/1981/0562- Occupancy condition

  Received 5 Oct, published by the council 7 Oct 2026 Full applications
• LA05/2026/0777/F Awaiting decision

  2 Antrim Road, Lisburn, BT28 3DH

  Proposed detached single storey garage and garden room

  Received 2 Oct, published by the council 7 Oct 2026 Full applications
• LA05/2026/0778/F Awaiting decision

  Unit 6, Linden House, 96 Beechill Industrial Park, Belfast, BT8 7QN

  Proposed change of use from office (class B1) to Medical Facility (class D1)

  Received 1 Oct, published by the council 7 Oct 2026 Full applications
• LA05/2026/0779/F Awaiting decision

  33 Garvey Manor, Lisburn, BT27 4DQ

  Two storey side extension

  Received 1 Oct, published by the council 7 Oct 2026 Full applications