"Performance-related pay is increasingly discredited elsewhere as a means of motivating employees and there has never been any evidence that it motivates teachers or improves their performance, " said NUT general secretary, Christine Blower.

BBC: Teachers' performance pay on pupil progress

The report highlighted the fact that the committee had raised concerns about the performance of the Housing Executive's management after issues were raised by a whistle-blower and that these reviews had been on-going since 2008.

BBC: PAC report says Housing Executive is 'out of control'