I've never done a lager, but from my reading, I think you'd be looking at a minimum 3-4 weeks for primary. your secondary could be months, and even cooler temps.
of course a hydrometer is the only real way to know. also, make sure you read up on the diacetyl rest if you haven't already.
Primary: English Mild
On tap: Pale Ale, Lancelot's Wheat, English Brown Ale, Steam Beer, HoovNuts IPA
Bottled: MOAM, Braggot, Raspberry Melomel, Merlot, Apfelwein, Pyment, Sweet mead, Cabernet
Gal in 2009: 27, Gal in 2010: 34, Gal in 2011: 13, Gal in 2012: 10