Modular homes on vacant Kainga Ora land could be used to house people displaced by Cyclone Gabrielle.

It says it's early to know exactly how many of its 4500 houses have been signficantly damaged in Tai Rāwhiti, Wairoa and Hawke's Bay.

But it won't just be families already in state houses that need new roofs overhead, others who have lost everything will be joining an already long queue.

Kainga Ora deputy chief executive for Central Daniel Soughtton explains they haven't been able to assess properties in person yet.

He's urging any people in Kainga Ora homes in the Hawke's Bay or Tairāwhiti region to get in touch by calling 0800 801 601.