About One Guarantee
Founded by CEO Robin Plaster in 2017, we have more than 35 years’ combined experience in the new-build structural defects sector. Having previously been instrumental in establishing what is the second largest warranty provider in the UK, Robin and his team bring a wealth of experience and passion to the building warranty market. One Guarantee is able to provide cover on a range of properties from single new-build units up to £50 million mixed-use developments.
With our AA-rated (Standard & Poor’s) global insurer, you can be confident that our warranties will give you the peace of mind your property deserves. Our extensive surveying network means that we are able to offer warranties throughout the UK.