Major refurbishment of existing detached house which comprised of newly added 160 sq.m of basement with large swimming pool in it as well as garage operated with vertical lifting mechanism. The basement was created by carrying out extensive underpinning under entire footprint of the existing house. The project cost was around £1m. Complex nature of the project required our close attention to the detail. Malishev Engineers were also responsible for the design of the swimming pool structure as well as large steel portal frame acting as a transfer structure as well as providing stability.