<|start_header_id|>assistant<|end_header_id|> Here is a summary of the property description in a single paragraph: This first-floor one-bedroom flat, located in a mixed tenure block, is available for sale chain-free and offers a new 250-year lease. Situated centrally, it's close to London Euston and St Pancras International Stations, and within walking distance to the green spaces of Regent's Park and the bustling Camden Town market. The flat features a hallway, living room, kitchen, bedroom, and bathroom/WC. With zero ground rent and service charges of £1014 per annum, this property is an attractive option for those looking for a convenient and affordable London home.