Retention money

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Retention money
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Retention money is described as the sum of money held by the employer as a safeguard for any defective or non-conforming work by the contractor. Retention money safeguards the employer by defects which can occur during the defects liability period if the contractor doesn't response according to the contract terms[1].

Purpose of retention money

The purpose of retention money is, in significant part, to provide security, in the form of a source of funds, against the contractor's failure to complete any work outstanding when the works are taken over and to remedy any defects or damage and in respect of any other liability of the contractor to the employer. In general, retention money provides protection to the employer. Retention money gives the idea of importance of completing the signed project as per it's terms and designs. With such retention held, the contractor takes the responsibility to complete the construction project as per the design and quality stated in the initial contract[2].

Amount and limit of retention money

Amount and limit of retention money[3]:

  1. The percentage to be applied to the contract value of the works executed to calculate the amount to be retained is the percentage of retention stated in the relevant contract document. The FIDIC forms also provide for the possibility of a limit of the retention money to be specified in the relevant contract document.
  2. If no limit is specified, the amount that the employer will be entitled to retain will simply be the percentage of the total contract value of the works. The ESCL research referred to above revealed typical amounts of 5% certified amounts in France, Greece and the Netherlands and 5% to 10% of the contract sum in Germany and Switzerland.

Rules on treatment of retention

The intention is that the retention money should, in effect, be set aside as a separate fund to be used only for the purpose of providing the employer with security against the making good of defects, and the purpose of making the employer a trustee is to protect the retention money against his liquidation[4].

Release of retention in construction contract

Release of retention is another important item or milestone in any construction contract which is also an indication of completion of the scope of the project up to the mentioned stages. Usually, retention monies are released in 2 stages of the project. The first half of the retention monies needs to be certified and released at the time of issuing the Completion Certificate. If there is any outstanding work for the project, those will be stated in the Completion Certificate. A reasonable cost will be deducted from the retention money to cover the costs of completing the remaining work by a 3rd party if the contractor doesn't accept to complete the rejected work or any outstanding work. The second half of retention monies will be certified and released upon the expiry of defects liability period. In most construction contracts, the defects liability period is 12 months which the contractor is liable to complete any defects arise due to the poor workmanship. Upon issuance of Maintenance Certificate, the 2nd half of retention money will be released[5].


  1. G. Hök, A. Jaeger 2009, p.166
  2. E. Baker, B. Mellors 2013, p.393
  3. E. Baker, B. Mellors 2013, p.393
  4. A. Speaignt, G. Stone 2014, p.84
  5. R. Pettigrew 2005, p.32


Author: Paulina Czarnota