After similar issues my local bike shop suggested DCR wheels, who are just outside Lewes. They'll build whatever you need/want from scratch and are a nice bunch of people.
https://www.instagram.com/dcrwheels?igsh=bXgyMHdkcjc1eW91
My ex-wife and I were living in different cities for our second valentine's day together, and she went mental because the card I'd carefully selected (and sent on time) got delayed in the post. I still look back on this as the moment I should have got out, instead of hanging around for another...