Sustainability and retrofit
Passivhaus principles, retrofit, heating choices and making older homes warmer and cheaper to run.
Other topics: Planning and permissions · Extensions · Lofts and roofs · Kitchens and interiors · Costs and budgeting · Working with an architect · Council planning guides
December 2025
Heating options for a renovation: boiler, heat pump or underfloor?
November 2025
Retrofitting an older house: how to make it warmer and cheaper to run
February 2025
What is sustainable architecture? The principles, for a real home
August 2024
Green roofs on extensions, and living walls on Surrey homes
July 2024
Is Passivhaus worth it for a Surrey home?
January 2024
Eco home design in Surrey: what to decide before the kit
March 2020
The Passivhaus standard explained, and is it zero carbon?
Not sure where to start? Start here.
Fifteen minutes on the phone with James. We talk through where you are, what you are trying to achieve, and what the sensible next step looks like. There is no pressure and no obligation. Sometimes the right outcome of a call is simply a clearer head.
Book a free 15-minute Clarity Call (opens in a new tab)
No selling. Just a clear view on the smartest next step.
