JT3 UTILITIES LIMITED Company number 12420304 · Monitor this company Active Overview People 1 Financial Control Documents Analysis Location Related Registered office Address3 Holloways Lane, North Mymms, Hatfield, England, AL9 7NR PostcodeAL9 7NR Companies at this postcode 7 Average house price in AL9 7NR £606,000 (21 sales) Map