Buy to let (second property) - most tax efficient way?

[johngruer]

Hi all,

We are about to buy a BTL as a second property, mainly as a pension as me and my wife don't have one (we are nearly 50)
My wife is on a salary of £30k and I have been on a salary of £80k (PAYE) + £18k (S/E). The PAYE job ended during lockdown, so now its just the S/E of £18k
Mortgage will be approx £300/month with rental income of around £600/month.
However, am also setting up a new business which could bring in good revenue within 6 months to a year.
Would it make sense to buy the property on joint names, or on one of us only?
Any other important issues to note or any cleverer way of doing this?

Thanks

John G