An election to the 56th Parliament of the United Kingdom for the constituency area of Brecon and Radnorshire, held as part of the general election on 7 May 2015.
Conservative gain from Liberal Democrats by Chris Davies with a majority of 5,102 - 12.7% - on a turnout of 73.6%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| DAVIES, Chris | Con | 16,453 | 41.1% | 4.5% |
| WILLIAMS, Roger | LD | 11,351 | 28.3% | -17.8% |
| DORRANCE, Matthew | Lab | 5,904 | 14.7% | 4.2% |
| THOMAS, Darran | UKIP | 3,338 | 8.3% | 6.1% |
| GREAVES, Freddy | PC | 1,767 | 4.4% | 1.9% |
| CARMICHAEL, Chris | Green | 1,261 | 3.1% | 2.3% |
Under section 13(b) of the Representation of the People Act 1985, a candidate gaining 5% or less of the vote share will forfeit their deposit.
An electorate of 54,441, having a valid vote count of 40,074 and an invalid vote count of 71.
Result declared at 02:53 on 8 May 2015.