All Crown 2.5Ltr emulsion paint is 3 for £30 in B&Q in store and online including their Fashion for Walls and Indulgence ranges. I went into buy a single tin from the Crown Fashion range and a single tin was £22. I saw the poster for Crown 3 for £30 but a staff member said it was only for the standard emulsion range usually price £18.99.
I checked online and all Crown paints were shown in the offer so picked up 3 tins, took them to the checkout and they went through for £30 giving me a massive discount of £36 effectively making each tin £10 each.
Definitely worth checking out if you're planning on a bit of decorating.