Selling house mortgage timeline

[Ldnbuld]

We are selling house to buyer who would be renting out

Please could you let me know how long does it take to get buy to let mortgage approve.

We are buying a no onward chain property and all paperwork for the property is complete.

How long is a piece of string, unfortunately. We can sometimes turn these things around in days, its more likely the conveyancing process that will hold things up