Commercial & Costs

Retention Calculator

Estimate retention held on an application or payment certificate.

Retention Calculator

Enter your values below and press calculate.

Enter your values above to see the result.

Formula used

Retention held = application value × retention percentage, capped where a contract retention cap is entered.

Example

A £100,000 application at 3% retention holds £3,000. Net before VAT is £97,000.

Important note

Retention rules vary by contract. Check the contract percentage, cap, release milestones and VAT/payment basis.

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