Great location, unit, and host. Would recommend.
I was looking to stay a little over a week near my work, but the location would be perfect for visitors travelling to see London as well. Located about halfway between Oxford Circus and Tottenham Court Road, Donella's place is very central, close to transit options, restaurants/cafes, while not being directly in a commercial area. Note, there is a pub across the street, so there will be some noise at busy times like Friday nights.
The unit itself is a well-maintained ground floor 1-bedroom. Unlike other options in the area that are dedicated rentals (which tend to have things not working or are below ground level), Donella's place is set up to be a home away from home.
Donella was a great host. The place was sparkling clean and she was able to accommodate an unexpected early arrival when our flight came in an hour before expected. She also included thoughtful touches like milk in the fridge, fruit, and wine on arrival in addition to better than basic amenities like real coffee and a moka pot. Not having to do a supermarket run immediately on arrival because everything was on hand was a huge benefit after a long journey. Finally, the booking, arrival, and departure process was easy and efficient. Donella was quick to respond and clear in all communication.