Complex sentence: He specialised at first building houses and maisonettes, an example of his first build is "Karen Court" Blyth Road, Bromley and soon progressed to blocks of flats and then moved on to housing estates, building over forty major developments.
Split into simpler sentences: He specialised at first building houses and maisonettes, one of his first build's being "Karen Court" Blyth Road, Bromley. He soon progressed to blocks of flats and then moved on to housing estates, building over forty major developments.