Can you buy a house with less than 10% deposit?

You most certainly can, in some circumstances you can even borrow without the cost of lenders mortgage insurance..

Short answer is yes. There are some government schemes available for the right applicants, too. However it's not the easiest of process, you'll need to tick a few boxes and answer additional questions by the banks before they'd say yes. Best is to chat with a mortgage broker and let them help you jump through these hoops.