Date,Address,Postcode,Price,Type,Ownership,NewBuild,SaleType 2018-08-31,"16 Mardley Avenue, Welwyn",AL6 0UD,690000,Detached,"Freehold",No,Standard 2017-08-08,"18 Mardley Avenue, Welwyn",AL6 0UD,665000,Semi-detached,"Freehold",No,Standard 2016-06-16,"4 Mardley Avenue, Welwyn",AL6 0UD,475000,Detached,"Freehold",No,Standard 2014-10-13,"6 Mardley Avenue, Welwyn",AL6 0UD,625000,Detached,"Freehold",No,Standard 2009-06-16,"6 Mardley Avenue, Welwyn",AL6 0UD,289950,Detached,"Freehold",No,Standard 2009-05-26,"16 Mardley Avenue, Welwyn",AL6 0UD,377000,Detached,"Freehold",Yes,Standard 2009-05-05,"12 Mardley Avenue, Welwyn",AL6 0UD,242000,Detached,"Freehold",No,Standard 2009-04-21,"2 Mardley Avenue, Welwyn",AL6 0UD,275000,Detached,"Freehold",No,Standard 2006-01-20,"20 Mardley Avenue, Welwyn",AL6 0UD,332500,Terraced,"Freehold",No,Standard 2005-12-05,"18 Mardley Avenue, Welwyn",AL6 0UD,355000,Semi-detached,"Freehold",No,Standard 2002-03-13,"2B Mardley Avenue, Welwyn",AL6 0UD,220000,Detached,"Freehold",No,Standard 1998-10-09,"10 Mardley Avenue, Welwyn",AL6 0UD,220000,Detached,"Freehold",No,Standard