Police are appealing for information after the children's playhouse at the Rose and Crown pub in Redmarley was set on fire last week.
Officers were contacted by the fire service at around 6.30am on Sunday where it was believed the fire was started shortly before.
The fire was extinguished and no one was injured.
The incident is currently being treated as an arson and anyone who was in the area and witnessed suspicious activity or has information on what happened is asked to please get in contact on 101.
Drug dealer with distinctive tattoo caught red-handed
New substation to boost reliability across Monmouthshire
Bridge repairs could begin soon says Monmouth MP
Raft Race raises more than £11,000 for hospice
Budget plan proposes council tax rise and hiking parking and other charges