This Enerphit project in the suburbs of South Dublin has dramatically transformed and extended a dated 1970s dwelling by adding an extra storey, radically reducing its energy consumption and creating a smartly-designed, light filled family home and office.

Following its commitment to retrofit one quarter of dwellings in the country by 2030, the Irish government has now announced the establishment of four new centres of excellence for retrofit training, building on the training approach developed to help the industry meet the NZEB standard for new buildings. Workers from state-owned company Bord na Móna are among the first to undergo training as the company transitions out of peat extraction.

A new passive house on Galway Bay beautifully blends vernacular design with touches of Arts & Crafts while still appearing thoroughly contemporary, but under its neat exterior is the thinking of an architectural practice striving to reduce the environmental impact of its buildings, inspired by the Architects Declare pledge.

With this stunning, award-winning passive house in Camden, the legendary engineer Max Fordham — together with bere:architects & Bow Tie Construction — has produced a simple and beautiful urban home with no wet heating system that draws on his lifetime of work applying the principles of simplicity, practicality and replicability to the design of building services.

Situated in a stunning location in the west of Ireland, between Galway Bay and the limestone hills of the Burren, this project provided a complex challenge in three parts: deep retrofit an old cottage into a yoga studio, reinvigorate its original extension, and build a new barrel-roofed passive-grade extension — then make it all work together as one unified home and workspace.

An award-winning social housing development in South Dublin points to a sustainable way out of Ireland’s housing crisis.

The Deerings, a large new certified passive house in the Hertfordshire village of Harpenden, is the stunning result of meticulous attention to design, energy efficiency and ecological materials by its architects, builders and a homeowner so taken by the experience that it led to an investment in an innovative passive house start-up.

A new family home in County Armagh blends together a traditional, clustered farmhouse style and a modern aesthetic so seamlessly, you would never even guess it’s a certified passive house.

Generational differences in taste were successfully married by a concern for energy efficiency in this contemporary, award-winning passive house in An Spidéal, which comes within a whisker of the nZEB standard.

Architect Tom Duffy has long had an interest in green design, and working on a self-build project for himself and his wife he was able to prove a point: making a modest family home to the highest standards need not cost the earth.