A+ Rating Eco-efficient building. Full of energy efficient solutions, this is one of the finest eco-builds we have done to date. Fully insulated with not only full fill cavity insulation, but boasts a QuinnTherm block inner leaf throughout – airtight membrane and solar but to name a few items on this check list. You would never know what this house holds under its skin, and still looks as spacious as any standard build. We went to great lengths ensuring that this A-rated house wasn’t just another house – we made it an A-rated home!!