A.L. MECHANICAL LIMITED Company number 14834600 · Monitor this company Active Overview People 1 Financial Control Documents Analysis Location Related Registered office Address19 Sweet Briar, Welwyn Garden City, Hertfordshire, United Kingdom, AL7 3DU PostcodeAL7 3DU Companies at this postcode 8 Average house price in AL7 3DU £421,000 (20 sales) Map