Deaths of people in their own homes were still far above normal levels in July despite non-Covid-19 deaths falling to below-average levels in hospitals and care homes, figures show.
The Office for National Statistics says patients in England and Wales may not be being admitted to hospital or they are discharged earlier than usual.
People in older age groups may also be choosing to die at home.
Non-Covid deaths have been reducing since May, after peaking in April.
This is particularly true for the over-80s, who saw the biggest rise in deaths around the peak of the pandemic.
The ONS analysis suggests this may be due to a displacement effect caused by the virus, which results in deaths happening earlier than expected in some age groups.
In hospitals, deaths