The following links give access to the information contained in the Garden bird comparison (c. 0.7MB) and BTO Garden Birdwatch (c. 100kB) spreadsheets on this site (require MS Excel).
Bird records for two UK suburban gardens including all sightings in or from the garden
Weekly bird species lists (including counts) are set out here - NB all < 200kB:
Bird records for suburban garden in Watford UK recorded under rules of BTO Garden Birdwatch scheme