Date,Address,Postcode,Price,Type,Ownership,NewBuild,SaleType 2020-09-04,"22 Lower Mardley Hill, Welwyn",AL6 0UQ,610000,Detached,"Freehold",No,Standard 2019-10-16,"26 Lower Mardley Hill, Welwyn",AL6 0UQ,660000,Detached,"Freehold",No,Standard 2018-01-08,"24 Lower Mardley Hill, Welwyn",AL6 0UQ,705000,Detached,"Freehold",No,Standard 2016-01-29,"26 Lower Mardley Hill, Welwyn",AL6 0UQ,705000,Detached,"Freehold",No,Standard 2014-06-17,"24 Lower Mardley Hill, Welwyn",AL6 0UQ,580000,Detached,"Freehold",No,Standard 2007-03-29,"20 Lower Mardley Hill, Welwyn",AL6 0UQ,420000,Detached,"Freehold",No,Standard 1998-07-10,"26 Lower Mardley Hill, Welwyn",AL6 0UQ,242500,Detached,"Freehold",No,Standard