Well - I am thinking of getting something like this:

Rittal 19" 6U Cabinet/Rack - 450mm Deep

And putting in a switch (which I already have, a patch panel, my WiFi and ADSL boxes.

I could always go for this: Silent Rack

The space I have to fill is around 12" tall and can be around 1 metre wide.

This it the Patch Panel I would get.

I guess I could save myself a heap of work and just get this:
One