Westpac NZ boss predicts when property investor rule change could start to bite 4 May, 2021 05:00 PM 5 minutes to read What impact has the LVRs and government property announcements had on lending? Photo / 123RF Clampdowns on property lending and government changes for investors are likely to dampen the housing market but the full effect won't be known until spring, Westpac's New Zealand CEO says. Loan to value lending restrictions on bank lending were brought back on March 1 while, in late March, the Government announced an extension of the brightline test and the removal of mortgage interest deductibility over the next four years for investors.