Brockwell Bros. in King's Lynn did mine in red Mohair with white piping for £120 (iirc), which included fitting. After taking the car in for a quote and making an appointment, I just dropped my car off first thing in the morning and it was ready to collect at lunchtime.
They're always busy and, ahem, a little eccentric, but they're traditional craftsmen and do a really good job exactly to your specifications.
https://www.yell.com/biz/brockwell-s...-lynn-1365373/
They're a couple of hours away from Lincoln but the results would be worth the journey.