Hospital bed occupancy

We analyse how NHS hospital bed occupancy has changed over time.

Indicator

Last updated: 26/04/2019

Capacity and staffing
Hospital care Emergency care

Background

High levels of hospital bed occupancy are an important indicator of a health system under pressure. Hospitals cannot operate at 100% occupancy, as spare bed capacity is needed to accommodate variations in demand and ensure that patients can flow through the system. Demand for hospital beds peaks at different times of the day, week and year. There must be a sufficient number of beds to accommodate these peaks.

A lack of available beds can have widespread consequences in a health system. For example, delays in emergency departments increase, patients are placed on clinically inappropriate wards, there is an increased rate of hospital acquired infections, and pressure on staff to free up beds could pose a risk to patient safety. Bed availability is also closely linked to staffing, as beds cannot be safely filled without appropriate staffing levels.


How has NHS hospital bed availability and occupancy changed over time? 24/04/2019

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Between Q1 2010/11 and Q3 2018/19, the total number of NHS hospital beds decreased by 12%, from 144,455 to 127,589. But the number of occupied beds only decreased by 8%, from 122,551 to 112,209. Therefore, the bed occupancy rate increased from 85% in Q1 2010/11 to 88% in Q3 2018/19. Bed occupancy tends to peak in Q4 (January to March) of each year. In Q4 2017/18, the bed occupancy rate reached a peak of 90%.


How has general & acute hospital bed availability and occupancy changed over time? 24/04/2019

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The number of overnight general and acute beds fell by 9% between Q1 2010/11 and Q3 2018/19, from 110,568 to 100,535. Over the same time period, the number of occupied general and acute beds decreased by 5%, from 95,430 to 90,706. Therefore, the rate of general and acute bed occupancy increased from 86% in Q1 2010/11 to 90% in Q3 2018/19. This is concerning as rising general and acute bed occupancy rates are associated with worsening A&E performance.


How has the number of available hospital beds changed over time by bed type? 24/04/2019

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The number of overnight NHS hospital beds has decreased over time for all bed types. Between Q1 2010/11 and Q3 2018/19, the number of general and acute beds decreased from 110,568 to 100,535 (a 9% decrease) and the number of mental health beds decreased from 23,515 to 18,407 (a 22% decrease). Pressures on the availability of mental health beds can occur because of delayed discharges, which may be a reflection of a lack of suitable community services. A consequence of pressures on these beds is that out of area placements occur, where mental health patients are sent far away from their home and support network.

The number of beds for people with learning disabilities decreased from 2,465 to 997 (a 60% decrease) and maternity beds decreased from 7,906 to 7,649 (a 3% decrease). A shortage of maternity beds can lead to closures of maternity wards.

In contrast, the number of day only beds increased by 7%, from 11,783 in Q1 2010/11 to 12,609 in Q3 2018/19. Clinical improvements have led to reductions in the average length of stay and have enabled many patients who once would have stayed in hospital overnight to undergo day surgery.


About this data

Quarterly bed availability and occupancy data has been collected since 1987/88 and has remained the same apart from slight changes in 1996/97.

For wards open overnight an occupied bed day is defined as one which is occupied at midnight on the day in question. For wards open during the day only, an occupied bed day is defined as a bed in which at least one day case has taken place during the day. Bed occupancy can't be more than 100%.

For more information, please see NHS England's Bed Availability and Occupancy Guidance.

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