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Project Stories · 11 Apr 2026

Embodied Carbon in Heritage Buildings: A Counter-Intuitive Case

The lowest-carbon building is often the one already standing. A look at the arithmetic that changed how we brief a renovation.

Written by Adrià Bosch

Embodied Carbon in Heritage Buildings: A Counter-Intuitive Case

Every few years an idea jumps from the architecture press onto the front pages, and for a while it seems to promise everything. The honest answer is more interesting than the headline: it works, but only when the fundamentals underneath it are right.

Start with the people, not the picture

The best projects we have worked on share one trait — they were designed around how people actually live and work, not around a striking image. When the daily experience is resolved first, the photogenic moments arrive on their own. When it is the other way round, you get a building that looks better than it lives.

  • Decide what the space is for before you decide how it looks
  • Protect daylight and quiet as if they were structural
  • Choose fewer materials and use them well
  • Design for the building's tenth year, not its launch day
The brief is not a list of rooms. It is a description of a life you are trying to make easier.

Where the evidence is strong

On comfort, energy and wellbeing, the data is genuinely encouraging. Spaces with good daylight, natural ventilation and honest materials measurably reduce running costs and reliably make people feel better in them. None of that requires a heroic gesture — it requires discipline, and a willingness to say no to clutter.

Where to stay sceptical

Treat any single feature sold as a cure with healthy suspicion. A green wall on a badly oriented box is decoration; the same planting on a building that already breathes is a multiplier. The question is never whether an idea is good in the abstract, but whether it is right for this site, this climate and this client.

The takeaway

Design that lasts is rarely about a trend and almost always about judgement — knowing which decisions matter, making them early, and protecting them all the way to handover. That is unglamorous work, and it is exactly where the value lives.

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