[citation needed] Homer was a regular for England at under-18 and 20 levels and is the all time leading scorer in the IRB Junior World Championships with 118 points.

He continued to be an important member of the London Irish first-team squad over the next two season and in December 2010 signed a two-year deal with the Exiles.

[5][6] At the start of the 2012-13 Premiership campaign Homer stated he wanted to be known for more than just his kicking and was looking to get more involved and to use the opportunity of the attacking blueprint of coach Brian Smith to do so.

[9] On 11 February 2015, Homer officially signed for Bath with immediate effect, following the departure of Gavin Henson to Bristol Rugby.

[11] In February 2021 it was announced Homer would leave London Irish to join French Pro D2 side Montauban ahead of the 2021–22 season.