Date,Address,Postcode,Price,Type,Ownership,NewBuild,SaleType 2018-09-18,"25 Park Avenue North, Harpenden",AL5 2EB,2650000,Detached,"Freehold",No,Standard 2015-10-09,"29 Park Avenue North, Harpenden",AL5 2EB,2550000,Detached,"Freehold",No,Standard 2009-06-05,"31 Park Avenue North, Harpenden",AL5 2EB,1800000,Detached,"Freehold",No,Standard 2008-12-03,"31 Park Avenue North, Harpenden",AL5 2EB,2275000,Detached,"Freehold",No,Standard 1995-05-05,"27 Park Avenue North, Harpenden",AL5 2EB,410000,Detached,"Freehold",No,Standard