Education
Scannell was educated at Oasis Academy Shirley Park, Croydon, between 1996 and 2001.
Scannell was educated at Oasis Academy Shirley Park, Croydon, between 1996 and 2001.
Earlier in his career he played for Fisher Athletic, Eastleigh, Southend United, Sutton United and Dagenham & Redbridge. Scannell made nine appearances from the bench in the 2007-2008 season as Southend United made the League One play-offs. Scannell had a very impressive pre-season and was rewarded with his first league start against Peterborough United on 9 August 2008.
Scannell joined League Two side Brentford on a two-month loan on 27 November.
He made just one start and one sub appearance before returning to Southend on 8 January 2009. His preparations for the 2009-2010 season took a blow when he contracted swine flu in July 2009.
On 24 June, Scannell rejected a new two-year contract with Southend, he instead signed a two-year contract with Dagenham & Redbridge on 29 June 2010. On 7 December 2011, after making 34 appearances and scoring two goals for Dagenham, Scannell made a return to Eastleigh.
A season at Sutton United followed, before Scannell joined Bromley.
On 16 January 2015, Scannell joined Sutton United on loan.
Southend won 1–0. After impressive substitute appearances Scannell was given only his second league start for Southend against Carlisle United on 21 March and scored his first professional goal in a 3–0 win. On 23 March 2010, Scannell"s season was prematurely cut short when he broke his fifth metatarsal in Southend"s 3–0 win over Walsall. Scannell joined Isthmian League Premier Division club Dulwich Hamlet for the second time in his career ahead of the 2015-2016 season, going on to score two goals on his second debut for the club in a 3-0 win over Canvey Island, and another goal in his next game, a 2-0 win over Merstham.