A Deep Retrofit aims to bring a home as close as possible to modern performance standards—cutting heat loss, improving comfort, and making the building fit for the future.
It’s a whole-house approach, often done in one go, where insulation, airtightness, ventilation, and energy systems are planned and upgraded together. For the right property—and the right moment—it can be the cleanest, most effective path forward.
This page will soon outline what a deep retrofit involves, what makes it worth doing, and what to watch out for.
→ Looking for a performance standard with a recognised quality benchmark? Check out EnerPHit—the Passive House approach to deep retrofit.
