I used Kwik Fit twice for mobile tyre fitting. 1st time was perfect, no issues. 2nd time was a disaster and eventually, the car had to go to the Kwik Fit local garage... so 50/50.
Most tyre shops only fit what they supply, I found only a few in the Camberley area. You can try Yateley MOT and partworntyrewarehouse.co.uk in Aldershot. I used these guys a couple of weeks ago and they did a good job.
Thanks for the replies. I’ve now ordered the tyre through Black Circles and will take the wheel to one of their local fitters. (The car isn’t drivable).