Winnall, Winchester City Council

Home Projects Winnall, Winchester City Council

Winchester City Council declared a climate emergency in June 2019 and is aiming for the wider district to be carbon neutral by 2030

The Winnall social housing scheme is an example of the council’s commitment to becoming a carbon neutral local authority by 2024.

The two, five storey mixed tenure apartment blocks are designed to Passivhaus Low Energy Building standards and three, two-bed houses designed to AECB (Association of Environmentally Conscious Builders) standard. The scheme will deliver much needed energy efficient affordable rent and shared ownership one and two bed apartments, reducing anxiety surrounding energy bills and offering comfort and quality to the new residents.

Winnall - Technical innovation

Technical innovation

For the Winnall development, we use light and durable steel frames in the construction of our sustainable homes.  The choice of the METEK Frame for construction contributed to the sustainable performance, providing a warm frame construction, which will last 1000 years with zero degradation, resulting in lighter, cheaper foundations as it weighs less than traditional construction, and results in minimal waste, as the frame material is recyclable.

The finished building is thermally efficient, dimensionally stable – no shrink, swell, warp or settlement, which reduces future defects. It is quick to build and quick to offer early weather tightness, so other trades can commence work early, and it provides excellent U-value performance. After fixing the brick tie channels through our external airtight layer with 5000+ Tek screws, the site team achieved an incredible airtightness rating during an air test in March, of 0.27p/h @50 pascals which is 4 times more airtight than our requirements and a drop of only 0.07. This has been achieved through meticulous attention to detail and constant checking.

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