New Britain Township is a township in Bucks County, Pennsylvania, United States. New Britain Township was founded in 1723. The Township was comprised more than 15,000 acres and included land which is now occupied by Chalfont Borough and New Britain Borough as well as the later established Doylestown Township. The Township currently encompasses 14.7 square miles (9900 acres). According to historical research conducted by Township volunteers, it is estimated that the Lenni Lenape Indians arrived in New Britain Township as early as 1397. The Morgan James Homestead and Pine Valley Covered Bridge are listed on the National Register of Historic Places.