To understand collateral warranties, you first need to understand some basics of Contract Law in the UK. In Contract Law, only the parties to a contract can claim under its terms. For example, if you rent a house, you are one-party to the rental contract, and the landlord is the other party.
If there is a breach of that contract by either party, only the party who has suffered loss can claim against the other; for example if you didn’t pay your rent, your landlord could claim against you for breach of contract. No other party could make that claim on their behalf.
With that in mind, construction jobs are much more complicated. Typical construction projects will have a range of professionals from architects to Quantity Surveyors, and numerous sub-contractors carrying out works on site ranging from joiners to bricklayers. All of these parties are usually contracted by the developer or the main contractor and, bearing our rental example in mind, if there is an issue anywhere along the line, with any of these contractors, its is only the contracting party that can claim against them.
The difference with construction jobs, is that they are typically financed. A development finance provider has security over the project but how does it ensure that all of the parties working on the job are fulfilling the terms of their contracts that the financier isn’t party to?
So, if bank lends money to the developer, and the developer hires a main contractor, and that main contractor hires a brick layer, the bank has no real power to enforce the terms of the main contractors contract with the brick layer.
Enter the collateral warranty.
A collateral warranty is a contract under which a party involved in the construction project warrants to a third party beneficiary that it has complied with its contract and fulfilled its obligations under the building contract. So in our earlier example, the brick layer could provide a collateral warranty to the lender that it has complied with its contractual terms with the main contractor. This collateral warranty allows the lender to exercise its rights in the event that there is some breach by the brick layer of those terms.
Typically the main contractor will require sub-contractors to provide collateral warranties as part of their engagement.
On a very basic level, it allows an interested third party such as a lender, the ability to enforce contractual terms for a contract it isn’t a party to.
Compariqo is a market leading distributor of latent defect and construction insurances in the UK. We typically assist customers in dealing with a variety of complex issues which may arise during the course of their contract.
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