Buying a house with the Help to Buy scheme is not done quickly. It may take time. Meanwhile you can apply online, the steps to take can take days to weeks to accomplish. You will need to look for a property and ensure you meet with the eligibility criteria. You will need to find out if the scheme is available in your area. Also if you are eligible to apply. If you are eligible, you can begin searching for available properties in your area. Additionally, you need to determine if you can obtain a mortgage. Note that not all lenders will give a mortgage if it’s shared ownership. Although most of the major lenders will do. You need to apply for a mortgage to be able to pay for your share. Some of the mortgage will provide a deposit for your shared property. The purchase of the house must be completed within 6 months of exchanging contracts.