TLDR; Jo's place and hospitality is amazing!!!
We had a wonderful time as a couple at Jo's centrally located flat (super connected by buses + tubes once you have it all figured out with the travel time, never had an issue with commuting) with the well-equipped kitchen and wonderful view from the balcony when we were working from home.
The flat is also extremely secure with a friendly concierge in a very livable + diverse neighborhood just a short walk from the canal! Jo herself as a host is super welcoming and is always there to resolve any issues or concerns, but is also happy to leave you alone, so don't hesitate to book a stay and grab a drink with her while you're at it (Jo gives out amazing recommendations as a Londoner for you to avoid rip-offs).
For couples/ duos, just do some organizing for your belongings and you'll have plenty of storage space ;)
love from Charmaine et Michel