MUSHROOM GROUNDWORKS LIMITED Company number 07206088 · Monitor this company Active Overview People 5 Financial Control Documents Analysis Location Related Registered office AddressThe Cottage School Lane, Broomfield, Chelmsford, Essex, England, CM1 7HF PostcodeCM1 7HF Companies at this postcode 2 Average house price in CM1 7HF £593,000 (2 sales) Map