If it’s a high-end property (and you’re just cutting your teeth) I’d suggest looking for a Superhost in your area that would be happy to co-host with you and to hold your hand through the initial stages.
Don’t worry about VAT registration at this early stage, find yourself a co-host, get some great photographs and build a fab listing.
You can have a discussion with a Tax Accountant when your listing is up and running, doing well and heading towards the Earnings threshold.