Complex sentence: The company employed 5,000 people at Byfleet in the 1920s but towards the end of the decade the Depression reduced the demand for large expensive houses, but Tarrant continued to win contracts for many new council houses in the Woking area.
Split into simpler sentences: The company employed 5,000 people at Byfleet in the 1920s but towards the end of the decade the Depression reduced the demand for large expensive houses. However, Tarrant continued to win contracts for many new council houses in the Woking area.