I would definitely recommend the Westbury Hotel if you are looking for a budget hotel in central London!
Pros: The Westbury Hotel was very a nice budget option for us, super centrally located. The hosts were very welcoming and accommodating and always there to help if we needed anything. We even had a little patio out the back of our room. It took us 5 minutes on foot to get to Earl‘s Court Tube station and shops like Greggs or Pret A Manger. The beds were quite comfortable and we even got fresh towels every day! It is not a luxury hotel but that is also not what we payed for! You really got your moneys worth here! Cons: The room and bathroom were a bit small so if you have some sort of walking/m