An off-the-plan luxury penthouse in the heart of Fitzroy has smashed its suburb’s residential apartment price record by about $4m.

The amalgamation of three apartments at the Chapter Group’s Fitzroy Fitzroy project on Smith St was snapped up for about $10m.

There has only been 15 sales for all dwelling types above $10m since 2014 in Fitzroy.

This sale surpassed the area’s previous benchmark of $6m for an apartment, developed by Piccolo House at 385 Gore St which was offloaded in July last year, according to realestate.com.au.