Date,Address,Postcode,Price,Type,Ownership,NewBuild,SaleType 2021-12-10,"85 Planet House, Upper Market Square, Sunderland",SR1 3LJ,55000,Flat,"Leasehold",No,Standard 2010-12-16,"52 Planet House, Upper Market Square, Sunderland",SR1 3LJ,59950,Flat,"Leasehold",No,Standard