What mortgage can I have for a right to buy council property with no deposit?

I have been with the council for 6 years and am looking to buy under the right to buy scheme, as I will get a discount I have heard tht this can be used as the deposit, so I don't need to save to take out the mortgage in the first place, but I don't know what companies I can use for this, has anyone done it recently or know which bank I could use for it?

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