The SIG I-House System, based on the storey-high aircrete panels, delivers a complete house shell with weather tight roof and wrapped in insulation in just one week and is the result of a unique collaboration between H+H and SIG Off-Site. 

It is one of a number of building types being trialled by Barratt Homes which is keen to experiment with new methods of construction that offer improved speed of build.

Project: Construction of 194 units with a mixture of one, two and three bed homes in terraced, semi-detached and detached form, of which 98 are to be affordable homes for BDHT.
Cost of Build: £11,000 per unit (average) for the structural frame
Location: Norton Farm, Birmingham Road, Bromsgrove, Worcestershire
Type of contract: Mixed Tenure
Aircrete Contractor: SIG Offsite
Build time: One unit per week