PassivHaus

Passivhaus is the world’s leading standard for ultra‑low energy buildings.
A Passivhaus home uses very high levels of insulation, airtight construction and mechanical ventilation with heat recovery to maintain a comfortable indoor temperature throughout the year.

This approach dramatically reduces heating requirements while providing excellent indoor air quality and a consistently comfortable living environment.

The homes in Trefin, Pembrokeshire have been designed using these principles to deliver long‑term energy efficiency and comfort.

The large windows in the southern elevation flood the interior with light and contribute to the overall energy efficiency

The layout makes full use of the sloping site with south facing gardens which is ideal for a Passivhaus development.