Career
Born in Cambridge, Cambridgeshire, Coulson played for local side Cherry Hinton Lions before joining Cambridge United"s youth system. He made his first team debut for Cambridge on 6 October 2007, as a substitute in a 2–2 home draw with Halifax Town. Coulson scored his first senior goal on 16 March 2010, netting his side"s first of a 3–1 home success against Salisbury.
He featured regularly for the side in the following campaigns, also signing a new two-and-a-half-year deal on 12 February 2014.
On 9 August 2014 Coulson played his first match in the Football League, starting and scoring the game"s only goal against Plymouth Argyle.