If you have lived in your council house for a while then you may be able to buy the property from the council at a discount. You will need to contact them to get the exact details of:
Not all lenders will lend to you, but there are a number of lenders that will lend on their normal terms on right to buy properties. As well as this there are a number of schemes especially designed for right to buy properties where there may be other issues.
Amount You Can Borrow
Most lenders that will lend on right to buy properties will lend up to 95% or 100% of the RTB Price. Also when calculating your loan to value they will use the OMV.
This means that for example if you were buying your council house:
Then they would count your purchase as being on a 75% loan to value.