noob gigabit network question

[Harrigan]

Right there are 7 of us moving into a student house and between us were going to pay for an electrician to run ethernet cables from the 7 bedroom and the living room into the attic, so we can have a gigabit network between ourselves. Now because of the lack of an 8-port gigabit router (as far as I can see) I was wondering if this layout would work/be the best idea...
{gigabit switch}
[][][][][][][][]
| | | | | | | |
| | | | | | | |
| | | | | | | |
[][][][][][][][]
|{7 bedrooms}
|
[][][][]{wireless router} (some of us have laptops)
|
[]{cable modem}

Excuse my terrible diagram, hopefully it gets the concept across. Any suggestions/corrections?

 

[Harrigan]

hmm i was thinking 1 port for each pc (7) plus one port for the router. router's WAN port is then connected to the modem. I assume an 8 port switch would work

 

[Harrigan]

Should be:
7pcs and router connected to switch, modem connected to router.
And we want the wired network cos the house is pretty big, and has old well-built walls, wireless would be a nightmare. We might aswell make it gigabit as a switch only costs like £40.