Design Calculation Services

The BDI design calculation service is ideally suited to domestic extensions, loft conversions, cellar conversions and other domestic structural alternations.

BDI recognise that sometimes you may only require design calculations to ensure that a specific structural arrangement you have detailed is adequate and meets building regulation requirements.

Our design calculation service is a simple and efficient process.

Simply send BDI a copy of the drawings or proposals and we will assess the extent of structural input required from ourselves and provide you with a detailed fixed priced fee quotation.Once we have received instruction to proceed we will prepare a detailed and comprehensive design package including, structural calculations, CAD sketches and details, guidance notes and designers risk assessments along with a letter specification confirming the structural requirements.

The level of information we provide makes it easy for clients and builders to fully understand the requirements.
As an extra service for more complex projects we can provide full working structural drawings.