Complex sentence: Grahame Park, located on the site of the old Hendon Aerodrome in north west London, is the largest housing estate in the London Borough of Barnet with 1,777 homes, and was built in the 1970s by the Greater London Council.
Split into simpler sentences: Grahame Park, located in north west London on the site of the old Hendon Aerodrome, is the largest housing estate in the London Borough of Barnet with 1,777 homes. It was built in the 1970s by the Greater London Council.