HBF’s monthly survey shows a slight increase in the number of site visitors during October, and net reservations up on the previous month. Housebuilders’ use of incentives also slowed during October, according to the survey. Activity in the month compared with the same month a year ago (balance&*) JulyAugSepOct Site visitors-29-33-19-18 Net reservations-15-1-15-12 Net house price change during the month …