Date,Address,Postcode,Price,Type,Ownership,NewBuild,SaleType 2022-09-09,"9 William House, Alwyn Walk, Northampton",NN3 5GW,46000,Flat,"Leasehold",No,Standard 2018-11-26,"17 William House, Alwyn Walk, Northampton",NN3 5GW,19592656,Other,"Freehold",No,Non-standard 2014-04-25,"2 Alwyn Walk, Northampton",NN3 5GW,40000,Semi-detached,"Leasehold",No,Standard