A new regional office for Mansell construction services based on the EcoTech Business Park in Swaffham. The building is designed to incorporate as many environmental building techniques as possible within the context of a commercial office development. The structure is a glu-laminated timber frame with timber stud infill and large areas of timber cladding. High levels of insulation using cellulose fibre which is a cost effective recycled product which has the same performance characteristics as other insulation materials and yet is environmentally benign. High levels of glazing on the North side of the building provide good daylighting without the risk of summertime overheating. It also takes advantage of views to the wind turbine that is a prominent feature of this site.