Getty Images photographer Peter Macdiarmid flew over flood-affected areas of Berkshire and Surrey to document the extent of the crisis.
Commuter belt towns have been deluged after some parts of the river reached their highest levels in almost 30 years. Riverside homes in the wealthy stockbroker belt are surrounded by water.
The Thames is expected to rise further over the next few days, but forecasters predict largely fine weather for this week.
Houses in the village of Wraysbury are flooded after the Thames broke its banksGettyRiverside properties near Walton-on-Thames in SurreyGettyA large property in Wargrave sits in waterGettyProperties are surrounded by water in Wargrave, BerkshireGettyA Range Rover is driven along a flooded road in Laleham, SurreyGettyA flooded playground in Laleham, SurreyGettyA recently constructed wall of flood defences surrounds houses next to the river in Staines-Upon-ThamesGettyFlooded properties on Blackett Close in Staines-Upon-Thames, SurreyGettyPeople cross flooded ground in Runnymede, SurreyGettyA damaged cruise boat lies against a weir in the Thames at RunnymedeGettyA caravan park in Hurley, Berkshire, is inundated with flood waterGettyCars, boats, trucks and tractors are submerged in flood water near Datchet, BerkshireGettySunlight glints off a huge expanse of water surrounding houses in ChertseyGettyThe M3 motorway is flanked by water on both sides near ChertseyGettyAn aerial photo of the Abbey Fields caravan park in Chertsey, SurreyGetty