Housing market stalls as buyers brace for higher mortgage rates amid Iran conflict uncertainty StuffInterest rate jitters hit house-price confidence, but buyers still upbeat NZ HeraldNZ house sales in 2026 down 5% on last year as Iran war, economy weigh on market The PostMortgage fear: Rising fuel prices ‘making people think twice about more debt’ OneRoofWarnings property market softness likely to continue RNZ