Extensions of time, 1st edition

This document was reissued in July 2024 as practice information. It had previously been published in November 2014 as a guidance note. The regulatory requirements remain the same and no material changes have been made to the document. For more information on the document category changes, see Standards document types (rics.org).

Delays occur on most construction projects, and always have done. At some point during a project, particular parts of the works, or the works as a whole, will not progress as quickly as planned, with the risk that the contractual completion date will not be met.

This document covers:

• costs of delay
• background to extension of time clauses
• delay assessments using BIM and
• strengths and weaknesses of delay analysis methods.