There are five windows in the main facade with flat arch brick window hoods. Maidenhead Railway Bridge, known for its flat arch, was built in 1839 with 39-metre spans. The facade's other windows have stone sills and flat arch lintels. The north wall of the chancel contains a two-light window under a flat arch. The first floor bay windows are framed internally by a flat arch. The windows predominantly have a flat arch of bricks above. Maidenhead Railway Bridge is known for its flat arch, built in 1839 with 39-metre spans. A flat arch spans two columns, with a large cartouche beneath. Alternate names are "flat arch" and "straight arch".