Allerton Bywater is a semi-rural village and civil parish in the south-east of Metropolitan Borough of Leeds in West Yorkshire, England. The village itself is 3 km (2 miles) north of Castleford and lies in the WF10 Castleford postcode area. The River Aire flows through the village to the south-west.
Allerton Bywater is built up of several smaller communities, mainly based around old mining villages including: Brigshaw, Hollinhurst and Bowers Row.
A recent development within Allerton Bywater is the Millennium Village. The Allerton Bywater Millennium Village, part of the Millennium Communities Program will provide 520 homes (including low cost housing) and 25,000 m² of commercial and community space.
In June 2007 residents and motorists were rescued from floodwaters by firefighters and RAF helicopter after torrential rain. Heavy rain in November 2000 also forced nearby residents from flooded homes. (Source: Yorkshire Post, 15/6/07 & 18/6/07)