Hi!

I hope this is not too late. Aside from flea markets as suggested, you can also try recycling furnitures and there's several organizations that could help. You can join such networks and look around for useful stuffs...

http://www.recycles.org/

http://www.free-cycling.co.uk/

http://www.crn.org.uk/about/cases/frn.shtml

http://www.almostfreefurniture.com/ ==> used and cheap