Complex sentence: In the 1950s he designed two London primary schools from prefabricated pre-cast concrete with brick infill for the London County Council, one of which in Putney was considerably damaged by a rogue developer who was prosecuted for the damage in 2007 and failing to restore it in 2008.
Split into simpler sentences: In the 1950s he designed two London primary schools from prefabricated pre-cast concrete with brick infill for the London County Council in Putney. One of these buildings was considerably damaged by a rogue developer who was prosecuted for the damage in 2007 and failing to restore it in 2008.