The name 'Rasen' derives from the Old English ræsn meaning 'at the planks' probably indicating a bridge over the River Rasen.

[1] The parish church is a Grade I listed building dedicated to All Saints, dating from the 11th century, and built from ironstone.

The font is 15th-century, and the former north aisle chapel was a chantry founded in 1373 for John Pouger and dissolved in 1548.

[2] The churchyard cross is 14th-century, although it was restored in the 19th century, and is both Grade II listed and a scheduled monument.

[6] The Post Office is a Grade II listed former cottage, now shop and house, dating from the late 17th century with 20th-century alterations and additions.