To Let: Detached warehouse refurbished to suit your needs. Location Poyle 14 is an established well located business park close to the M25 and the Heathrow Cargo Terminal. Heathrow is located primarily in the London boroughs of Hillingdon and Hounslow and is part of the larger West London conurbation including Brent, Ealing, Harrow and Hammersmith & Fulham. West London is a vibrant and rapidly evolving commercial community where internationally and nationally renowned blue-chip companies work alongside small to medium sized enterprises, surrounded by thriving residential suburbs of educated workers and affluent consumers.