Four fire engines and around 25 firefighters tackled a house fire on Lyndon Road in Belvedere.
The ground floor of the two-storey house was partially damaged by fire. Four adults left the property before the arrival of the Brigade and were taken to hospital by London Ambulance Service.
The Brigade's 999 Control Officers received a call regarding this fire at 0553 and mobilised crews from Erith, Bexley and Plumstead fire stations to the scene. The fire was under control by 0648.
The cause of the fire is under investigation.