Date,Address,Postcode,Price,Type,Ownership,NewBuild,SaleType 2022-11-25,"Fourth Floor Flat, Gloucester House, 149 Old Park Lane, London",W1K 1QX,12700000,Flat,"Leasehold",No,Non-standard 2021-05-25,"Gloucester House, Old Park Lane, London",W1K 1QX,22000000,Other,"Freehold",No,Non-standard 2015-12-02,"Part Of, Gloucester House, 149 Old Park Lane, London",W1K 1QX,95900000,Other,"Leasehold",No,Non-standard