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Planning application

15 Coolnasilla Avenue, Belfast, BT11 8LD

Granted Belfast LA04/2026/0164/F Full

Works: Extension Windows or glazing Small domestic

Read from the description, not a valuation. How we read the register

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

Proposal

Single storey front porch extension, first floor rear and side extension and conversion of existing attached garage. Including new render finish to front elevation and installation of 4 no. additional windows to existing dwelling (3 no. at ground floor and 1 no. at first floor level). (Amended Plans)

As published by the council, reference LA04/2026/0164/F

Application record

Reference
LA04/2026/0164/F
Type
Full
Status
Determined
Decision
Granted
Received
3 Feb 2026
Validated
4 Feb 2026
Decided
8 Jun 2026
Ward
Shaw's Road
Postcode
BT11 8LD

Timeline

Dates from the published record

  1. 3 Feb 2026

    Received by Belfast

  2. 4 Feb 2026

    Validated

    Checked as complete and ready for consideration.

  3. 8 Jun 2026

    Decision issued: Granted

  4. 22 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

JS ARCHITECTURAL Agent, an architecture practice

13 applications on PlanIndex · across 4 councils · 92% granted

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Documents

Plans, drawings, consultee responses and the officer's report

11 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

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What this grant of permission means

Belfast granted permission on 8 June 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

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In Belfast

  • LA04/2025/1410/F Granted

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

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  • 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