Elizabeth & Malcolm's bluetit pages  Lots of useful information and live feeds from several nest boxes. Good quality pictures and an online diary to keep upto date on events.

RSPB   The RSPB has a fantastic website with lots of useful information including how to build your own nest box.

British Garden Birds   details of all British Garden Birds including bird song.
Gardenature   Manufacturer and supplier of wildlife camera kits including a range of bird boxes with cameras inside.Good quality products and fast friendly service.

Misc Sites

Style Glass   Information on Stained Glass including Charles Rennie Mackintosh Mirrors and stained glass windows.

Postcard from Timperley   Outdoor Blogger will lots of interesting information