Thanks for all your suggestions, I'm looking into a few of them

Since I wanted to combine the SSEA rating with tailwheel I didn't know if it was as simple as just going to a place that did tailwheel conversions as I would have to do a GST and NST (and a ground exam) along with it since I'd be coming from NPPL, so didn't know if it was quite as straightforward..
Perth in Scotland is my home airfield anyway so it was the supercub syndicate there i was looking at getting into