S1 Floors S1 Floors Projects Here you will find a small selection of recent S1 Floors projects. If you would like to hear about other recent projects, please get in touch with Barney Maclennan. Temporary Building Slab, Nigg New Houses Dornoch New Houses, Balgate Mill, Kiltarlity New farm shed, Conon Bridge The S1 Floors division of Simpson Builders was established in 2021 and is managed by Barney Maclennan For any enquiries, please do not hesitate to get in touch with a member of the team. Bespoke and commercial builder, all-trades and conservation contractor. Specialist in domestic, commercial and industrial concrete floors and screeds. Small works specialist in alterations, extensions and reactive work. Housing developer with exciting new builds.