OSH ADVISORY LTD Company number 16263103 · Monitor this company Active Overview People 1 Control Documents Analysis Location Related Registered office AddressFirst Floor, 28 Whitehorse Street, Baldock, Hertfordshire, England, SG7 6QQ PostcodeSG7 6QQ Companies at this postcode 135 Average house price in SG7 6QQ £320,000 (5 sales) Map