The national centre for information about the development and use of basements in new or existing dwellings.

The general objectives of the Group are:

To promote the greater and better use of basements on new developments within the UK, and to encourage the improvement of existing basements. To provide a forum to review design, construction and workmanship issues. To aid the development of guidance documents aimed at simplifying design, and improving the performance and reliability of basement construction. To provide information on products and materials for use in basement design and construction. To provide a forum to monitor and provide comments on Codes, Standards, regulations and planning issues affecting basement design and use. To identify future research and development needs. To encourage good practice in design and construction through the media and through education and training.