Grade I listed country house of exceptional architectural and historic significance…Grade I listed country house of exceptional architectural and historic significance…Retains rare original features including staircases, fireplaces, linenfold panelling and Tudor wall paintings…Retains rare original features including staircases, fireplaces, linenfold panelling and Tudor wall paintings…Set within mature, private grounds of notable charm, offering grandeur and seclusion…Set within mature, private grounds of notable charm, offering grandeur and seclusion…Fast rail access from Harpenden to central London (St Pancras)…Fast rail access from Harpenden to central London (St Pancras)…