Thank you Zach & Kenny for your kind help and good recommendation :)
The house is located in good location. There are many subway stations that you can walk within couple minutes. And, it is also located near Westfield London (The large mall which has many shops and restaurants)
The host, they prepare everything for us like staying in hotel. For example comfy bed, cable TV, bottles of water, coffee & tea, soap & shampoo, wifi internet.