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Ratio Seven Limited
Building Materials & Equipment
Charles House, Princes Court, Beam Heath Way, CW5 6PQ
Nantwich, Cheshire
Business profile
Ratio Seven Limited
Ratio Seven are fully accredited SAP assessors and authorised airtightness testers with over 20 years of house building experience. Offering residential & commercial air testing and SAP calculations, energy consultancy services for housing developers, associations and architects.
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