We work across the entire energy system — from the physics of a single wall to the strategy for a whole community. Six capabilities, one joined-up team, so nothing falls through the gaps between disciplines.
Healthier, warmer, cheaper-to-run buildings. We design out damp, mould, overheating and wasted energy with a fabric-first approach — high-performance construction, the right ventilation, and heat delivered efficiently.


Renewable heat and power that fits the building and the grid. We design whole systems — generation, storage and controls — that earn their keep financially as well as environmentally, and play nicely with a decarbonising grid.
The numerical rigour that de-risks every decision before you commit. We model energy and cash flows in detail, then translate the physics into feasibility and finance that funders and boards can trust.


Our R&D engine, run in partnership with Verto Homes. We prototype, monitor and prove the technologies and methods that make genuinely low-carbon building repeatable and scalable — not one-off heroics.
The transition needs more skilled people, not just good buildings. We deliver CPD, workshops and keynotes — including accredited programmes with the University of Exeter — to upskill teams for lasting low-carbon change.


Net-zero strategy and business models that actually stack up for communities. It's the work behind the Future Energy System Tool now used by community energy groups across England & Wales.
We measure what's really happening before proposing anything — your building, people and goals.
We test options in detail so you can see cost, carbon and comfort before committing.
We design and lead the technical work to completion — fabric, heat, power and controls as one system.
We measure results and share what we learn, so the next project goes further, faster.
Most projects touch several of these. Tell us the problem and we'll tell you — honestly — where to begin.