Bedfordshire Police officers are keen to speak to a man seen leaving a suspected arson attack on a house in High Street, Clapham in the early hours of Saturday morning (10 April).
They would also like to speak to the driver of a Jeep style vehicle seen making a U-turn in the area at the same time.
At around 4.30am on Saturday 10 April, emergency services were called to the house following a report that the front door had been targeted with an accelerant and had caught fire.
Bedfordshire Fire and Rescue Service attended the scene and extinguished the flames. No one inside the property was injured.
Detective Sergeant Graham Williams, from the Bedfordshire Police Crime Investigation Team, said: “Luckily the occupants of the home were unharmed, but we take reports of arson very seriously.
“We are investigating the circumstances of this incident, and are treating this as deliberate.
“We are keen to find out who is responsible, and I would ask anyone with information to come forward.”
Anyone with information is asked to report via the force’s online reporting centre quoting reference 51 of 10 April.