![Mirvac has unveiled its new development at Sydney Olympic Park.](/web/20170427210541im_/http://www.theage.com.au/content/dam/images/g/u/k/j/i/f/image.related.wideLandscape.460x259.gvtihg.png/1493306107979.jpg)
Home affordability 'increasingly concerning', top developers say
Stockland and Mirvac, the country's two biggest residential developers,have pledged to focus on providing more affordable housing as the situation in Sydney and Melbourne gets "increasingly concerning".