A two-storey apartment has been destroyed and numerous others damaged following a fire in Harrison this afternoon.

At about 4pm ACT Fire and Rescue responded to reports of a fire in an apartment block on Wimmera Street.

Upon arrival firefighters found one apartment well alight with fire beginning to spread into the roof space and other apartments.

Firefighters quickly contained the fire to the apartment of origin before it could spread further.

An ACT Emergency Services spokesperson said there were no reported injuries.

ACT Policing were also in attendance and are investigating the fire with the assistance of ACT Fire and Rescue.