We are planning on getting an extension to our house this year and have started looking about for quotes. One of the builders has come back with a price and he said that he could do it for cash ie, we don't need to pay any VAT (therefore saving ourselves about £10k) but I know this is dodgy from his side. My DH is an accountant and said there is nothing wrong from our end by paying him cash as it's up to the builder to declare his VAT.
Normally I would run a mile from a guy like this but DH knows this builder well, he went to school with him, was best mates with his brother at primary school, the builder has a great reputation for his work, he has completed several projects nearby and they have given him great references, he lives locally so is fully traceable, and he isn't asking for any cash up front so we would only pay him once stages of the work are completed. I think the builder has only suggested this cos he knows DH.
We are really tempted about the VAT saving but the only downside is that we aren't going to have an official formal contract as such, but the builder said he will still put in writing what is included / excluded and sign it. But it still feels a bit dodgy!
What would you do????