Housing charity Habitat for Humanity is calling on housebuilders to enter teams of three to six people in the Hope Challenge 2011 which will be held from July 1 to July 3 2011 in the Peak District. <br> <br> The Hope Challenge involves designing, building and sleeping out in your own shelter for two nights, and a 20 mile trek with 1,000m of hill ascent and various physical and mental challenges along the way. The event is sponsored by Lovell Partnerships and NHBC and supported by HBF and Rightmove. Past participants have included teams from Housebuilder magazine, Lovell, Bovis Homes, Taylor Wimpey, CB Richard Ellis and the HBF. <br> <br> To find out more visit www.habitatforhumanity.org.uk/hopechallenge. Register before February 28, 2011 to be in with a chance of winning a £75 Experience Day voucher. Or call 01295 264240 if you would like the charity to make a presentation to your staff.