As above, if I were to buy genuing 16 inch octavia alloys, would they fit over the standard vRS front brakes???

Yes!

yes

yes they fit (just)

yes

Awesome! Cheers guys. Just about to buy some of the flat 6 spoke octavia alloys to pimp on whilst my spiders are in for a refurb and new tyres

i was just about to ask this same question but im lookin at some 9x16 borbet A's

312mm discs behind 16" L&K alloys.

vRS Estate's have 312mm disks and 16" Spiders as standard. So as said it’s a definite yes.