Established in 1921, the club plays at Hawthornden in Lasswade parish and competes in Scottish National League Division Two.

In 2003 the club sold one of its three pitches to the Local Authority, Midlothian, to fund the improvement of the existing facilities.

Notable former players include the ex-Scotland national rugby union team and British and Irish Lions prop forward Peter Wright.

Lasswade won the final of the SHE National Shield which was held at Murrayfield on Saturday 24 April 2010, beating Greenock Wanderers 17–7.

In March 2015, Lasswade won the National League Division Three title but were relegated following just one season in the third tier.