To make up a grid switch you need a cover plate, grid (or yoke) and switches. Collection available.
Crabtree 4170 Light Switch 1 Gang 2 Way SP 10 Amp
Selectric 5M Slim Chrome / Black 3 Gang. 10 Amp 2 Way.
2 x Crabtree 4306 Double Switch Socket 13 Amp 2 Gang Double Pole FREEPOST
4 x Crabtree 4000 Series Double Switch Socket 13 Amp 2 Gang Double Pole
3 x Crabtree 4170 Light Switches 1 Gang 2 Way SP 10 Amp
Selectric Smooth 10 Amp Plate Switch 3 Gang 2 Way SSL503 - (M238)