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Planning application

14 Llewellyn Avenue, Lisburn, BT27 4AG

Granted Lisburn and Castlereagh LA05/2025/0654/F Full

Works: Extension 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 extension to rear of existing dwelling with associated alterations.

As published by the council, reference LA05/2025/0654/F

Application record

Reference
LA05/2025/0654/F
Type
Full
Status
Determined
Decision
Granted
Received
9 Sep 2025
Validated
10 Sep 2025
Decided
7 Nov 2025
Ward
Harmony Hill
Postcode
BT27 4AG

Timeline

Dates from the published record

  1. 9 Sep 2025

    Received by Lisburn and Castlereagh

  2. 10 Sep 2025

    Validated

    Checked as complete and ready for consideration.

  3. 7 Nov 2025

    Decision issued: Granted

  4. 29 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

O'Neill Architecture Agent, an architecture practice

7 applications on PlanIndex · across 2 councils

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Documents

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

8 documents on file for this application

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What this grant of permission means

Lisburn and Castlereagh granted permission on 7 November 2025, 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

Within 500 metres

  • 8 Llewellyn Avenue, Lisburn, BT27 4AG

    LA05/2026/0600/F Submitted 20 Jul 2026 17m away

    Proposed single Storey Extension to rear, Rear Flat roof change to a pitched roof and ground floor rear facade changes

    Granted Full applications Extension 9 docs
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  • 6 Parkmount, Lisburn, BT27 4AN

    LA05/2026/0140/F Submitted 18 Feb 2026 206m away

    Replacement vehicular access and driveway, including new electrified entrance gates (retrospective)

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  • Lands approximately 14m east of 6 Queens Road, Lisburn

    LA05/2026/0353/F Submitted 29 Apr 2026 304m away

    Proposed installation of telephone kiosk

    Withdrawn Full applications 14 docs

  • Lands approximately 14m east of 6 Queens Road, Lisburn

    LA05/2026/0352/A Submitted 29 Apr 2026 304m away

    Proposed digital advertisement unit on rear of telephone kiosk

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  • 14 Seymour Street, Lisburn, BT27 4XF

    LA05/2025/0095/F Submitted 2 Feb 2025 360m away

    Alterations to ground floor commercial units and single upper floors apartment to create 3no apartments with retention of ground floor commercial units

    Granted Full applications New dwelling 15 docs
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  • 50 Roseville Park, Lisburn, BT27 4XU

    LA05/2023/0706/F Submitted 28 Aug 2023 390m away

    Removal of rear return and new single storey extension to rear of dwelling

    Granted Full applications Extension 10 docs
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In Lisburn and Castlereagh

  • LA05/2026/0220/F Granted

    21 Rathfriland Road, Dromara, Dromore, BT25 2JG

    Proposed new access and hardstanding area.

    2 Mar 2026 Full applications
  • LA05/2026/0717/F Awaiting decision

    Emmanuel Baptist Church, 6 Glenavy Road, Lisburn, BT28 3QW

    Proposed extension of existing church car park to include additional car parking spaces, replacement boundary fencing and associates landscaping works

    11 Sep 2026 Full applications
  • LA05/2026/0405/F Granted

    Lands north east of 33 Baronsgrange Rd, Carryduff, Belfast, BT8 8GL. Incorporates the length of Baronsgrange Road to the Comber Road.

    Proposed bus shelter, bus layby, and easy access kerb.

    8 May 2026 Full applications
  • LA05/2026/0480/F Granted

    Supervalu Ltd, 21 Main Street, Moira, Craigavon, BT67 0LE

    Application under Section 54 of the Planning Act (NI) 2011 to vary condition no. 3 of planning approval LA05/2024/0823/F for development to be completed in accordance with the submitted phasing drawings

    29 May 2026 Full applications
  • LA05/2026/0357/F Granted

    Public Footpath approximately 16m south of 164 Longstone Street, Lisburn

    Proposed installation of telephone kiosk on public footpath

    29 Apr 2026 Full applications