When do I start paying interest on Help to Buy?
After the first 5 years of your equity loan scheme, you begin to pay interest on the portion of your home which is effectively owned by the Help to Buy scheme.
When you reach this point, you will need to start making monthly payments to cover the interest, remember you are only paying the interest at that point and the amount of the Help to Buy portion will not be reducing.
Remember that as the value of your home increases, the value of the share which was provided by the Help to Buy scheme will also increase in value which will result in you paying more when you do come to pay it off.