Ministers still do not know how much the concrete crisis will cost to repair, the schools minister has admitted, as he rejected accusations by the head of the UK spending watchdog that the government had adopted a “sticking plaster approach” to essential maintenance.
Nick Gibb said he and ministers were unable to come up with a figure because every school affected by the problem of crumbling reinforced autoclaved aerated concrete (Raac) experienced it in different ways.
