Building a bee house of your own is a great way to encourage some solitaty bees and other insects into your garden.
Here are some plans we have found around the internet that may help:
www.devon.gov.uk/ndccs-beebox.pdf
http://www.ehow.com/how_5620441_build-honey-bee-box.html
http://www.buglife.org.uk/getinvolved/gardening/beenestsforgardeners
Here is a great little video about how to build your own Masonry Bee house:

