Complex sentence: Despite being a relatively small area, the area has many good retail chains, mainly due to the presence of the tube station, including Sainsbury's, Tesco, Woolworths, Subway and KFC.
Split into simpler sentences: Despite being a relatively small area, the area has many good retail chains, mainly due to the presence of the tube station. Chains include a Sainsbury's, a Tesco, Woolworths, Subway and KFC.