At a sentencing hearing on Friday at Isleworth Crown Court, Laing O’Rourke Infrastructure Limited was fined £75,000 and ordered to pay £75,000 in costs. SGB Services Ltd was fined £30,000 and ordered to pay £30,000 in costs.

The court heard that both men were part of a team building a multi-storey car park. On 3 August 2005, Mathew Gilbert,27, a joiner from Plymouth, and 21-year-old engineer’s assistant Parminder Singh, from Slough were standing on a concrete slab, when it collapsed and fell 17 metres to the level below.