It happened just after 5am when fire crews were called to a property on Wordsworth Drive in the north of the city.
A reported bin fire damaged the gas supply to the property, causing an explosion which blew out a window.
A crew from Elm Lane Fire Station rescued a person from the first floor, and brought the outside fire under control.
Surrounding properties were evacuated while crews worked.
A structural engineer and fire investigation officer were at the scene this morning, assessing damage.