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Retention & Cashflow

Retention held against certified value with the two-stage JCT release at practical completion and end of the rectification period

Certified value & retention

£

Work properly executed to date, before retention

%

JCT default 3%; 5% is a common amendment

£

Maximum total sum that may be held

Release terms

fraction

JCT releases half (0.5); the balance follows at end of defects

months

JCT SBC default 6 months; 12 / 24 are common amendments

Enter the certified value and retention terms to calculate
ensign.software · 28 October 2026The Ensign Toolbox