Date,Address,Postcode,Price,Type,Ownership,NewBuild,SaleType 2022-10-14,"28 Mardley Avenue, Welwyn",AL6 0TZ,1000000,Detached,"Freehold",No,Standard 2013-08-16,"24 Mardley Avenue, Welwyn",AL6 0TZ,490000,Detached,"Freehold",No,Standard 2000-12-01,"28 Mardley Avenue, Welwyn",AL6 0TZ,295000,Detached,"Freehold",No,Standard 2000-01-14,"24 Mardley Avenue, Welwyn",AL6 0TZ,165000,Semi-detached,"Freehold",No,Standard 1999-09-03,"24 Mardley Avenue, Welwyn",AL6 0TZ,99537,Semi-detached,"Freehold",No,Standard