Wow, do click support that configuration? pretty outstanding I thinks, if it works and looks good then a real winner for that situation I`m thinking.
Yes, they do whats called mini-grid which works just as interchangeable switch units on the back of the plate (no yoke as with 'proper' grid)
You can either buy a 6 gang plate and the mix of 2ways and intermediates you need, or get a 6 gang switch and 2 intermediates to swap out the middle modules for, depending on whatever works cheapest
Click | Wiring Accessories and Circuit Protection
Wiring Accessories and Circuit Protection for domestic, commercial and industrial use, including sockets, switches and Elucian Consumer Units.
scolmore.com
Mode is nice looking rounded white moulded, Polar is cheap looking sqaure corners, define are the fancy ones in a range of finishes