The design principles of PassivHaus have already been broadly accepted and highly acclaimed in the UK house building industry, where they are helping developers to achieve superior energy efficiency ratings as part of the Code for Sustainable Homes. However, building to PassivHaus standards in the commerical sector is at its earliest stages, with Interserve at the forefront of implementing this construction method for a variety of public and private sector projects around the UK.

Located at Watermead Business Park near Leicester, the new building has been constructed by Interserve in partnership with park developer Raynsway Properties. The two-storey 6,000sq ft office will house approximately sixty staff in a modern, fresh working environment, running at a mere 10% of the energy usage of such a building constructed conventionally. Super insulation, triple glazing and high levels of air tightness (<0.6 air changes per hour) have all reduced the requirements for space heating and cooling, thereby providing high-level comfort with very low energy consumption.

A superior air-tight construction avoids heat loss through the external envelope. Reinforced concrete walls have been built using Durisol 80% recycled wood blocks, which are delivered to site already insulated thermally and acoustically, with in built fire protection.

With triple glazing and insulated foundations, the building is able to hold warmth during the winter and stay cool in summer, whilst the south-facing windows make the most of solar heat during the winter. Ventilated air passes into the building from an earth tube system, making the most of ground warmth in the winter and low ground temperatures in the summer. Efficient lighting has been installed to optimise daylight use by using automatic dimming controls. 

Join us on Wednesday 21 September at 4pm to hear more from the team behind the project.

Timings

16:00    Registration
16:15    Presentation on the project from

Tom Watkinson MD of Raynsway Properties
Ashley Cowdray Director of CPW
Richard Flisher Director of CPMG
Roger Bancroft Interserve

16:45    Tour
17:15    Drinks & networking
18:00    Event close

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