Looking for a set of rollers, ideally not overly pricy, not overly noisy (they’ll be in the house rather than in a garage) and which can be quickly adjusted for length for two user’s bike with different wheelbases.

First few sets I’ve looked at the front roller has to be un-bolted to adjust its position – are there any that adjust the length more easily?

Tacx Antares. Buy second hand of eBay you can probably get a bargain. You can also get a fork stand for them. They can get a rattle on when giving it the beans but use something to damp the sound like a rubber mat or carpet.