The Alterations & refurbishment dataset focuses on small to medium sized projects, generally within an existing building, and reflects the increased costs associated with restricted access and the possibility of working in occupied premises.

New in the 26th edition 2021:

The BCIS resource datasets have been completely revised and updated for 2021 to include all recent changes to wage rates, plant and materials prices and a range of new items.

Additions to the Alterations & refurbishment 2021 dataset include:

• Extended section - waterproof membrane
• New rates - solar panel rates and thermally broken steel lintels rates
• Specialist to detailed build-up rates - laminated flat roofing
• New composite items - internal works and partitions
• Ground source heating pump system