40 PROJECT REPORT: SUSTAINABLE DEVELOPMENTS
ALL OF THE HOMES INCLUDE 500 MM OF LOFT INSULATION, AND GREEN GUIDE A OR A+ RATED MATERIALS ‘WHEREVER POSSIBBLE’
K. External doors are also insulated, and over 50 of the houses include PV panels, which will enable them to generate up to 30% of their energy requirements. Combined, these factors mean the houses all have an EPC rating of B or higher.
or C-approved certifi cation All of the homes also include 500 mm of loft insulation, energy effi cient light bulbs and kitchen appliances that are both energy and water effi cient with either A or A+ energy ratings. Wherever possible, environmentally-friendly materials are utilised rated either A or A+ by the BRE Green Guide. Bathrooms also all include “industry-leading” water saving fi tures and fi ttings The development utilises argon-fi lled double glazing with a low-emission coatings and incorporating Planitherm Total+ Low E glass, achieving a maximum permissible U-value of 1.4W/ m2
Acoustic dampening and sound insulating materials, along with the construction methods help minimise sound transfer. During construction, the team ensured that 95% of the building waste was either recycled or reused. Landscaping also formed an important part of the development’s overall sustainability. A sustainable urban drainage system was designed
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and developed, which has created an ecological habitat and aided the water management of the neighbouring Wincham Brook. An attenuation pond is located near the entrance to the development which, explains Walker, “takes all surface water from the development and releases it into the existing brook via a hydro brake, at an agreed fi ed rate to prevent fl ooding The attenuation pond is situated within a large open space that welcomes residents and visitors to the development on either side of the road. In total, more than 50% of the development comprises green open space. Existing trees have been supplemented by extensive planting, including bee-friendly plants and fl owers, as part of iodiversity Net Gain (BNG) requirements. “Native species and wildfl owers have been included in the landscaping designs, and this combined with the large number of bird and bat boxes – which have been distributed throughout the development – encourages a safe space for natural wildlife,” Walker says. The ecological value of the site is assessed by independent ecologists.
There is a well-equipped play area and a pitch for ball games. Once the development is fully complete, a management company will take over
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