17 Cairnburn Gardens, Belfast, BT4 2HY

1. 20 Aug 2026

   Received by Belfast

2. 16 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 19 Sep 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 11 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Belfast took a median of 106 days over the applications it decided in the last year.

This application is with Belfast for determination, against a statutory target of eight weeks. Over the last year Belfast decided full applications in a median of 132 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.

• 84 OLD HOLYWOOD ROAD BALLYMAGHAN BELFAST DOWN BT4 2HP

  LA04/2022/2653/F Submitted 16 Nov 2022 100 yards away

  Proposed single storey and two storey rear extension.

  Granted Full applications Extension 2 docs
  Small domestic

• 38 Cairnburn Road, Ballymaghan, Belfast, BT4 2HS

  LA04/2026/1253/F Submitted 9 Jul 2026 150 yards away

  97% historically approved · decision due ~3 Sep

  Single storey rear extension

  Awaiting decision Full applications Extension 8 docs
  Small domestic

• 32 Knockdarragh Park , Belfast, BT4 2LE

  LA04/2025/1872/F Submitted 4 Nov 2025 250 yards away

  Single-storey rear extension and rear patio.

  Granted Full applications Extension 7 docs
  Small domestic

• 2 Lands 25M SW of 2 Glenmachan Avenue, Belfast, BT4 2RG

  LA04/2023/2664/NMC Submitted 13 Feb 2023 300 yards away

  NMC to LA04/2021/0179/F - Omit external car port to create Movie Room

  Granted Amendments 3 docs

• 11 Glenmachan Drive, Belfast, BT4 2RE

  LA04/2023/2893/O Submitted 20 Mar 2023 350 yards away

  Erection of a dwelling to the rear garden of 11 Glenmachan Drive, including an amended existing access from the Glenmachan Road (additional information).

  Refused Outline New dwelling 28 docs
  Domestic

• 11 Knockdarragh Park, Belfast, BT4 2LE

  LA04/2026/1057/F Submitted 4 Jun 2026 350 yards away

  Alterations to existing dwelling, including demolition and replacement of existing garage with single storey extension to side. Demolition of conservatory and replacement single storey rear extension. Terrace to rear.

  Granted Full applications Extension Demolition 6 docs
  Small domestic

• LA04/2025/1410/F Granted

  40 Sydenham Park, Belfast, BT4 1PW

  2 storey side extension. Widening of driveway

  Received 27 Aug, published by the council 22 Jul 2026 Full applications
• LA04/2025/1117/F Withdrawn

  3 Clara Crescent Upper, Belfast, BT5 5EQ

  Change of use from 4 bed dwelling to 5 bed / 5 person HMO including single storey extension to kitchen

  Received 23 Jun, published by the council 6 Aug 2026 Full applications
• la04/2026/0151/F Granted

  42 Clara Park, Belfast, BT5 6FE

  Demolition of existing single storey rear extensions to make way for a proposed new single storey extension to the rear

  Received 2 Feb, published by the council 22 Jul 2026 Full applications
• LA04/2026/1426/F Granted

  6 North Sperrin, Belfast, BT5 7HU

  Single storey rear and side extension and new rear patio. Demoliton of existing garage.

  Received 11 Aug, published by the council 29 Aug 2026 Full applications
• LA04/2026/1219/F Granted

  96 Rosebery Road, Belfast, BT6 8JF

  Replacement single storey rear extension

  Received 6 Jul, published by the council 22 Jul 2026 Full applications