By Phil Norris & Benedict Tetzlaff-Deas A pensioner has been dubbed the ‘King Canute’ of the River Severn after he built a huge wall to protect his £600,000 house from flooding. Repeated floods caused by Storms Gerrit and Henk have forced many out of their homes in recent days \- but one homeowner’s prevention efforts have drawn instant comparisons to the legend of the medieval English king. Nick Lupton, 60, and his wife Anne, 50, moved into their stunningly converted 17th-century house on the River Severn in Pixham, Worcestershire back in 2016. The couple have dealt with their home and its ac…