More info. Here are some advisory new parts prices from Japan.
47101 Pedal Sub-assy, Brake
47101-14210
1
US $26.77
47101A Spring(for Brake Pedal Return)
90905-07004
1
US $4.44
47101B Bush(for Clutch Pedal)
90386-13015
2
US $1.63
47121 Pad, Clutch Pedal
31321-14020
1
US $2.51
47124 Shaft, Clutch Pedal
90101-10081
1
US $2.81
47124A Collar(for Brake Pedal Shaft)
90387-10135
1
US $5.92
47131 Cushion, No.1(for Clutch Pedal)
90541-06036
1
US $1.48
47264A Pin(for Push Rod)
90249-10064
1
US $2.81
55195 Stay, Pedal Bracket, No.1
55195-14020
1
US $25
Pedal Sub-assy, Clutch Toyota
31301-14120
US $34.16
If you certain of the £400 + shipping + duty that'd come in at close to £600 then its keenly priced.