<|start_header_id|>assistant<|end_header_id|> Here is a summary of the property description in a single paragraph: This stunning 4-bedroom house in Riverside Barking boasts a 991-year lease, making it a rare and attractive investment opportunity. The property features modern and energy-efficient living, with a mega flow water heating system and double glazing throughout. The ground floor includes a reception room, fitted kitchen, and additional toilet with potential to install a shower. The first floor has an ensuite bedroom with private balcony, while the second floor features two double bedrooms and a family bathroom. Outside, the property comes with a designated parking space and own rear garden, plus access to a communal garden. With a guide price of £475,000 to £500,000, this property offers a unique blend of modern living and long-term security.