Lower Sunbury is a part of the town of Sunbury-on-Thames, Surrey, England, which lies between the River Thames and the M3 Motorway. This part of the town has more of a village atmosphere and also property is generally more expensive than the rest of Sunbury-on-Thames. The main streets in this area are the Thames Street and Manor Lane, which runs parallel with the River Thames, and Green Street and The Avenue which run perpendicular.
There are a number of small shops mainly concentrated near the river and a large number of pubs. Also along the riverside are Sunbury Church and The Riverside Arts Centre. Part of Lower Sunbury next to the river is a conservation area.