To make up a grid switch you need a cover plate, grid (or yolk) and switches. Collection is also available.
Crabtree 4460/FR Grid Switch 20a DP marked "fridge"
Crabtree 6902 Grid Yoke Mounting Frame - 2 Gang
Hob Grid Switch 20A DP Double Pole Grid Switch Marked HOB White - DETA G3552
5 x Crabtree 4306 Capital Switch Socket 2 Gang SP 13 Amp
10 x Crabtree 4306 Capital Switch Socket 2 Gang SP 13 Amp
2 x Crabtree 4306 Capital Switch Socket 2 Gang SP 13 Amp