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Passivhaus set to expand in UK as new trust launches

The Passivhaus Trust was launched last week as the popularity of the low energy building incentive continues to grow.

Non-executive director of the trust Neil Cutland spoke to H&V News on the reasons for its foundation and its aims for the future.

The Passivhaus movement centres on creating high levels of air tightness in buildings, typically 10 times below the level required by current Building Regulations.

This is currently set at 10 cu m per sq m per hour, while the Passivhaus aims for a figure of one.

‘It’s not rocket science,” said Mr Cutland. “It’s simply designing buildings with high levels of air tightness.”

The trust, which is a non-profit organisation, has been launched as a platform for practitioners of the principle to share information and to work with government departments to promote the use of more energy-efficient processes within the construction sector.

“It’s entirely voluntary, but it goes way beyond the current regulations,” Mr Cutland continued.

The principle has been used on approximately 50 UK projects to date and the trust aims for it to be adopted in more mainstream projects.

“It’s most effective on new build, but can also be used very successfully on retrofit projects,” said Mr Cutland.

The effect of applying the Passivhaus principle is that heating requirements are considerably reduced, which means that low-energy solutions can be sufficient to provide all heating and hot water requirements.

More information is available at


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