He was reselected for the 2010 general election, but stood down in favour of independent Unionist candidate Rodney Connor. With the DUP, TUV, UKIP and the Conservatives not contesting the seat in 2015, Elliott, as the sole unionist candidate, won the seat at the 2015 election. He lost the seat in the 2017 general election, with 45.5% of the vote to 47.2% for Sinn Féin's Michelle Gildernew. He ran again in 2019, but lost to Gildernew by 57 votes, with 43.2% of the vote to Gildernew's 43.3%.