Date,Address,Postcode,Price,Type,Ownership,NewBuild,SaleType 2017-07-04,"Unit 2B Dunhams Lane, Letchworth Garden City",SG6 1BE,3992500,Other,"Leasehold",No,Non-standard 2006-05-25,"Seymour House, Dunhams Lane, Letchworth Garden City",SG6 1BE,320000,Detached,"Leasehold",No,Standard