<|start_header_id|>assistant<|end_header_id|> Here is a summarized version of the property description in a single paragraph: This luxurious period duplex apartment is set within a Grade II listed mansion house, surrounded by 10 acres of beautifully maintained parkland gardens with views over the River Mimram. The property boasts huge living space, including a large entrance hall, two reception rooms, and a kitchen/dining room. The apartment features four bedrooms, each with en-suite bathrooms, as well as a mezanine level with an office/study and a further double bedroom. The property is located within a mile of Welwyn North Station, offering easy access to London King's Cross, and is close to the historic towns of Welwyn Garden City and Hatfield. The property also benefits from a range of local amenities, including shops, restaurants, and sports facilities, as well as being within the catchment area for several good local schools.