All you need to do is click on this link to have a look at the TARDIS sheds that have already … ermm … materialised.
You can then click add your shed to the site to fill out a form with details about your shed as well as any videos you have plus at least two pictures.
The closing date for entries is May 20 2010 with public judging running until June 20 2010.
The category winners and Shed of the Year finalists will be announced on June 21 2010 with the winner unveiled during National Shed Week which starts on July 9 2010.
That lucky winner will receive £1000 from Cuprinol, with the category winners receiving Cuprinol Sprayable products.
May the luck of the Time Lords go with you!