Originally Posted by
alcjphil
They might be a bit wide for the rim, but the bigger question is whether you have sufficient frame clearance. You mention a 2018 Boardman bike but no mention of the model or type of bike it is
32mm tires are fine for the rims. The only potential issue with a fat tire on a narrow rim is that it's more of a struggle to get it past the brake pads when you are removing the wheel from the bike.