George Osborne introduced 'Help to Buy' in March 2013.
Here are the changes in dividends per share paid 2013 (or 2014 if I can't find 2013) vs dividend per share paid 2018 by the UK's biggest 'home builders'.
Barratts: 5.7p - 26.5p
Bellway: 37p - 227.5p
Berkeley (earnings per share): 221.8p - 562.7p
Bovis: 21.5p - 98.5p
Crest Nicholson: 10.6p - 33p
Persimmon: 65p - 110p
Redrow: 3p - 28p
Galliford Try: 53p - 77p
Taylor Wimpey: 0.6p - 4.8p
Telford Homes: 4.8p - 17p
Enough said?