Good price too

4-Gang =
Brush Chrome Faceplate       11.40 
4 * 10A SP 2Way Push Switch  15.96  
4-Gang grid mounting frame    1.52
2-Gang back box               0.75
                             29.63 (34.82 inc. VAT)

2-Gang =
Brush Chrome Faceplate        5.95
2 * 10A SP 2Way Push Switch   7.98
2-Gang grid mounting frame    1.07
1-Gang back box               0.59
                             15.59 (18.32 inc. VAT)