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Mountain Fold Architecture

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  • Studio
  • Process
  • Projects
  • Notes
  • Contact

Notes

How Much Will Your Project Cost?

How much will your extension actually cost in 2026? Here are the honest numbers for East Sussex projects, from standard specification to high-performance construction that reduces energy bills by 75-90%.

13 January, 2026

How much will your extension actually cost in 2026? Here are the honest numbers for East Sussex projects, from standard specification to high-performance construction that reduces energy bills by 75-90%.
Winter Comfort Beyond Heating

UK homes lose heat three times faster than those in Germany and Norway. But winter comfort isn’t about bigger boilers – it’s about building fabric that works with your heating, not against it.

15 December, 2025

1980s photograph of a family living room in Essex, with a brick fireplace visible in the background and children playing in the foreground
Why Passivhaus Principles Are Perfect for Our Changing Climate

An introduction to Passivhaus, possibly the most optimistic response to our climate crisis

29 September, 2025

3d rendered view of the southern corner elevation of Firs Field
New pre-planning Passivhaus consultation

We have recently completed a pre-planning consultation and analysis for a new contemporary off-grid home in rural Warwickshire.

27 April, 2020

Sketch of the proposed development
Providing Passivhaus

We are pleased to announce Matt is now a Certified Passivhaus Designer

13 September, 2018

Certified Passive House Designer

Contemporary sustainable homes. Traditional wisdom.

Join homeowners, architects and design enthusiasts receiving seasonal insights on sustainable architecture in the South Downs. Delivered four times a year: Spring, Summer, Autumn, Winter.

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12 Station Street, Eastbourne, BN21 4RG

Registered Address Railview Lofts, 19c Commercial Road, Eastbourne, East Sussex, United Kingdom BN21 3XE

Company Registration No 11699972. Registered in England and Wales