Records starting with O
- O.S 4344 + 4334, Alongside, The Street
- O.S Parcel 6538
- Oak Grove, Land SW of the Old Gosfield Airfield
- Oak Hill (Wethersfield)
- Oak Hill, Blackmore End
- Oak Lodge, London Road
- Oak Meadow, Gore Road
- Oak Road
- Oakwood, Hedingham Road
- Oakwrights Hall, Braintree Road, Terling
- off Hatfield Road
- Off Lister Road
- Off Maltings Lane
- Off Maylands Drive
- Off Sunnyfields
- Old Deanery Bocking
- Old House Farm, Chapel End Way, Stambourne
- Old Parsonage Court, Guithavon Street, Witham TEMPORARY
- Old Pastures, Knowl Green
- Old Thatch, Ravens Hall Road Greenstead Green
- Old Thatch, Ravens Hall Road Greenstead Green
- Old Thatch, Ravens Hall Road Greenstead Green
- On the boundary of 4 Greenfields and 8 Ox Yard
- On the Boundary of the Old Deanery Nursing Home
- On the grass verge adjoining 2 Tanners Meadow and 52 Beckers Green and in between 35/37 Tenners Meadow, Braintree
- On the Southern site of 6 Barn Mead and 34 Brick Kiln Way, Braintree
- Opposite 1 Mill View, Coggeshall Road, Bradwell
- Opposite Hyde Cottages
- Orchard Cottage
- Ormonde House
- Ormonde Lodge, 103 High Street
- Outside 234 Witham Road NOT CONFIRMED
- Outside 234 Witham Road TEMPORARY
- Owls Hall