South West London and St George's Mental Health NHS Trust was caring for 13 coronavirus patients in hospital as of Tuesday, figures show.
NHS England data shows the number of people being treated in hospital for Covid-19 by 8am on January 4 was up from 12 on the same day the previous week.
The number of beds at South West London and St George's Mental Health NHS Trust occupied by people who tested positive for Covid-19 decreased by 28% in the last four weeks – 28 days ago, there were 18.
Across England there were 9,332 people in hospital with Covid as of January 4, with 212 of them in mechanical ventilation beds.
The number of Covid-19 patients hospitalised nationally has increased by 70% in the last four weeks, while the number on mechanical ventilators has increased by 78%.
The figures also show that three new Covid patients were admitted to hospital in South West London and St George's Mental Health NHS Trust in the week to January 2. This was the same number as in the previous seven days.