Original sentence: Large sections of land to the north of the town at Collier Row were developed in the 1930s and after World War II, the London County Council built the Harold Hill estate to the north east of the town.These developments significantly increased the population and reinforced Romford's position as a significant regional town centre
Edited sentence: Large sections of land to the north of the town at Collier Row were developed in the 1930s and after World War II, the London County Council built the Harold Hill estate to the north east.These developments increased the population and reinforced Romford's position as a significant regional town centre