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  6. How do you calculate interest rates for late completion?

How do you calculate interest rates for late completion?

How does the Law Society calculate its interest rate for late completion?

Our interest rate is 4% above Barclays Bank base rate, which is currently 0.75%.

Rates are as at close of business on the day indicated.

The current Law Society interest rate is 4.75% (since 2 August 2018).

For historic rates, call our library on 020 7320 5946.


While every effort has been made to ensure the accuracy of the information in this article, it does not constitute legal advice and cannot be relied upon as such. The Law Society does not accept any responsibility for liabilities arising as a result of reliance upon the information given.

Have you got a practice question? Call the Practice Advice Service on 020 7320 5675 or email

The Practice Advice Service is staffed Monday to Friday from 9am to 5pm.

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