Hi, For what its worth I'm just on the last touches of a complete refit , here is what I used and where it was purchased from:-
Main items.
Kitchen cabinets with solid pine doors/drawers - Focus DIY - end of line with 70% discount.
SS Kitchen single bowl and drainer eBay / DSM Kitchens - £55
Mixer tap - Aldi £25
Vanity Unit with basin, taps, trap etc - local DIY store £99.99. They now have similar in B&Q for £70.
Shower tray 760 x 760mm high density foam lined/construction (light and easy to handle in confined space) B&Q - £33
Shower mixer taps and fitting (kit) eBay £25
Bathroom paneling white marble finish (interlocking 2.4M x 250mm x 5mm panels) very easy to fit - eBay shop - The B athroom Unit - £60
I have just completed a spread sheet of all my expenditure on the refit and it totals to £2,502. This includes electrics and full plumbing.
If your interested I'm happy to email you a copy.
Regards mac Man