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Andy Stein
May 1, 2026

What is the 4 Hour Accident and Emergency (A&E) target?

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A bold white and red "Accident and Emergency" sign is prominently displayed above the entrance on the East Wing facade of St Thomas' Hospital.
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What is the 4 Hour Accident and Emergency (A&E) target?

The 4-hour Accident and Emergency (A&E) target is one of the most significant NHS performance indicators. It serves as a daily barometer for “system flow”—measuring how efficiently patients move through the hospital from arrival to discharge or admission.

Under the NHS Constitution, patients in England have the right to receive timely emergency care. Here is everything you need to know about how the target works and the current state of emergency care in 2026.


1. How the 4-Hour Target Works

The standard states that 95% of emergency patients should be seen, treated, and either discharged or admitted within four hours of arrival at an Emergency Department (ED).

The “clock” starts the moment you register at reception and only stops when one of the following occurs:

  • You are admitted to a hospital bed.

  • You are transferred to another hospital.

  • You are discharged to go home.

Does it apply to Minor Injury Units?

Yes. This time limit applies to all emergency settings, including Minor Injury Units (MIUs) and hospital assessment units (such as AMU, MAU, or SAU) where patients are placed on chairs or trolleys.


2. The 12-Hour “Trolley Wait”

When hospitals are over capacity, the 4-hour target is often missed. This leads to what is known as a “12-hour trolley wait.”

This is a clinical limit stating that no patient should wait on a trolley in a corridor for more than 12 hours once a decision to admit them has been made.

At MyHSN, we recognise that these waits are distressing and indicate that the NHS needs to improve its infrastructure and social care integration. We humbly apologise for this performance.


3. Latest 2026 Performance Data

As of March 2026, the 4-hour 95% target has not been met nationally since July 2015. However, several shifts in policy and funding have occurred over the last year:

  • The “Intermediate” Target: Following the recovery plans of 2024-2025, the NHS has shifted focus toward a consistent 80% intermediate target for all-type A&E attendances as a stepping stone back to 95%.

  • Current Averages: In the first quarter of 2026, national performance for Type 1 (Major) EDs has hovered around 74-76%, showing a slight recovery compared to the post-pandemic lows of 2023.

  • Winter Pressures 2025/26: Increased integration with “virtual wards” and social caredischarge hubs” has slightly reduced the 12-hour wait peaks seen in previous years, though many urban centers still struggle during peak flu and RSV seasons.


4. Why is the Target Missed?

The delay is rarely just about the A&E department itself. It is usually caused by “exit block”:

  1. Lack of a NHS 7 Day Service: Most parts of most hospitals work 5 days a week. Few senior-led ward rounds happen at weekends and on bank holidays, when patients could be discharged. So, by Monday, most hospitals are clogged up and in a chaotic state.
    • Note. This is the choice of senior doctors (consultants). It is not imposed by the hospital, NHS or DHSC.
  2. Bed Shortages: Patients in A&E cannot move to a ward because the ward beds are full.

  3. Social Care Delays: Ward beds are full because medically fit patients cannot be discharged until social care packages are in place.

  4. Staffing: Shortages in nursing and junior doctors (resident doctors) can slow down the initial assessment process.


Summary

The 4-hour target remains the “gold standard” for measuring hospital efficiency. While the 95% goal remains elusive in early 2026, understanding your rights under the NHS Constitution can help you navigate the system.

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