The Erne Campus in Enniskillen, Northern Ireland, is a Passivhaus Premium certified educational building.

This certified Passive House, designed by Paul McAlister Architects in Belfast, Northern Ireland (2015), features a timber construction with Munster Joinery's Future Proof frames.

A Passive House in Armagh, Northern Ireland, completed in 2017, designed by Paul McAlister Architects.

Knockboy Barn, a Passive House in Ballymena, Northern Ireland, completed in 2020, integrates sustainable design with a rural aesthetic.

This project is a Passive House certified detached family home in Craigavon, Northern Ireland.

The Centre for Renewable Energy and Sustainable Technologies (CREST) at South West College in Enniskillen, Northern Ireland.

This Passive House certified family home in Dungannon, Northern Ireland, was completed in 2014.

An EnerPHit Retrofit project in Magheraveely, Northern Ireland, involved refurbishing an existing house with a south-facing extension.

This Passive House project, completed in 2014 in Dunloy, Northern Ireland, is a two-story detached family house built with timber construction.

This certified Passive House in Dungannon, Northern Ireland, consists of 5 two-storey terraced houses.