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Planning agent

Montgomery Irwin Architects Ltd

An architecture practice registered in Coleraine. 19 planning applications on PlanIndex across 4 councils . On the register from 2022 to 2026.

15 granted and 0 refused of 15 decided applications in our index. A record of decisions already made, not a forecast of the next one.

Where they work

What they file

  1. Full applications58%
  2. Conditions21%
  3. Advertising11%
  4. Reserved matters11%

Company record

From Companies House. Company information only; we never show personal contact details.

Registered name
MONTGOMERY IRWIN ARCHITECTS LTD
Company number
NI068480
Status
Active
Incorporated
13 March 2008
Registered in
Coleraine

Track record

The 10 most recent applications naming this firm

  • 8 Rhanbuoy Park, Holywood, BT18 0DX

    Single-storey rear extension (replacing sunroom); alteration to materials/re-tile roof; dormer to front and rear; raised patio to rear.

    Decided 27 Aug 2026 Full applications
  • Site approximately 80m south of 78 Ballyconnelly Road Ballyconnelly Road, Cullybackey, Ballymena, BT42 1EW

    Two storey dwelling with detached garage (Outline Planning Approval LA02/2025/0538/O)

    Decided 23 Jun 2026 Reserved matters
  • Site Approx 80m South of 78 Ballyconnelly Road, Ballymena, BT42 1EW

    Discharge of conditions 6 & 7 of LA02/2025/0538/O -Submission of Archaeological Programme of Works

    Decided 8 May 2026 Conditions
  • 80m South of 78 BALLYCONNELLY ROAD BALLYCONNELLY CULLYBACKEY BT42 1EW

    Archaeological Programme of Works for a proposed development at a site approximately 80m south of 78 Ballyconnelly Road, Cullybackey, Co. Antrim BT42 1EW. Planning Application Ref: LA02/2025/0538/O.

    Decided 17 Feb 2026 Conditions
  • 27 Crevolea Road, Coleraine

    Alterations to extant approval ref: LA01/2021/0587/F to include retention of approved entrance porch, orangery, first floor conservatory and barn conversion with addition of pergola, car port, entrance canopy and enlarged external deck and associated accommodation stair.

    Decided 27 Feb 2026 Full applications
  • 1 Rock Drive, Portstewart

    Disharge of Conditions 4 & 5 of LA01/2022/1540/F

    Decided 4 Feb 2026 Conditions
  • 33 Ardnavalley Avenue, Comber, BT23 5WW

    Detached garage and single-storey side extension

    Decided 17 Jul 2026 Full applications
  • 6 Springfarm Industrial Estate, Antrim, BT41 4NZ

    Extension to shed 1 to provide storage/warehousing and extension and reconfiguration of shed 2 to provide storage/warehousing

    Decided 8 Apr 2026 Full applications
  • 25 Liffock Park, Castlerock

    Front dormer extension to previously approved roof conversion (LA01/2023/1088/F)

    Decided 8 Jun 2026 Full applications
  • 1 Ashville Park, Antrim, BT41 1HH

    Two storey rear extension, new front porch, alterations to existing single store rear return.

    Decided 13 Nov 2025 Full applications

9 more applications on record

Trade members see everything this firm has filed, filter it by council and outcome, and get an email the day it files again.

See the full track record

From council registers and Companies House. Counts describe the records we hold, not a firm's complete history. Request a correction or removal.