Housing prices appreciated at an average of 10 per cent during the December quarter across eight major cities on strong demand, higher input cost, according to a report by CREDAI, Colliers and Liases Foras.Realtors' body CREDAI, real estate consultant Colliers India, and data analytic firm Liases Foras on Tuesday released their joint report, which showed that Delhi-NCR saw a maximum appreciation of 31 pc annually during the October-December period of 2024.