I got all the wiring and odds and sods from 3 local shops (motorsave/ Motorworld and a local independent electrical shop...
2x 27 Amp cable £2.29 each (mini reel)
3x 8 amp cable £2.19 each
pack of scotch hooks £0.99
Blade fuse holder £0.99
Crimp Blue Ring terminals £2.19 (i got a big pack as spairs)
Crimp Blue Spade connectors £2.89 (big pack)
crimp Red 110 mini spade connectors £2.19 (big pack)
Relay £2.29
Switch I paid about £3
Heatshrink £5 (i got about 5 metres of 3 different sizes)
Small waterproof box £2
2 glands to suit box £1.50 each
all in all £30 in bits