A&E data for September 2026, published 8 October 2026 · Diagnostics (DM01) data for August 2026, published 8 October 2026 · Referral to treatment (RTT) data for August 2026, published 8 October 2026
Imperial College Healthcare NHS Trust waiting times
Latest NHS England figures for A&E, diagnostic tests and planned treatment at Imperial College Healthcare NHS Trust, in the London region, which serves Westminster.
A&E
In September 2026, 75.5% of the 25,063 people attending A&E at Imperial College Healthcare NHS Trust were admitted, transferred or discharged within 4 hours. That is 1.1 points above the England average of 74.4% and 1.5 points below the London average of 77.0%. It ranks 37 of 120 trusts with a major A&E in England and 7 of 17 in London (1 = highest share within 4 hours). At the main emergency department (type 1), 57.3% spent 4 hours or less, against 60.6% across England. 3,776 patients were admitted as emergencies through A&E, and 0 waited more than 12 hours from the decision to admit them to being admitted.
Over the last 13 months the 4-hour figure has ranged from 75.0% (September 2025) to 80.1% (March 2026); it is up 0.5 points since September 2025.
Imperial College Healthcare: % within 4 hours of arrival England
Month by month
| Month | Within 4 hours | Attendances | 12-hour waits (decision to admit) | England within 4 hours |
|---|---|---|---|---|
| September 2026 | 75.5% | 25,063 | 0 | 74.4% |
| August 2026 | 76.4% | 23,999 | 0 | 75.0% |
| July 2026 | 77.4% | 25,253 | 0 | 75.4% |
| June 2026 | 77.2% | 24,790 | 0 | 75.0% |
| May 2026 | 78.0% | 24,635 | 0 | 75.7% |
| April 2026 | 78.6% | 23,236 | 0 | 76.9% |
| March 2026 | 80.1% | 23,795 | 0 | 77.1% |
| February 2026 | 77.0% | 21,413 | 0 | 74.1% |
| January 2026 | 75.5% | 23,299 | 0 | 72.5% |
| December 2025 | 76.2% | 22,712 | 0 | 73.8% |
| November 2025 | 77.7% | 23,245 | 0 | 74.2% |
| October 2025 | 76.0% | 24,754 | 0 | 74.2% |
| September 2025 | 75.0% | 23,330 | 0 | 75.1% |
Diagnostic tests
| Test | Waiting list | Waiting under 6 weeks | Waiting 13+ weeks | England under 6 weeks |
|---|---|---|---|---|
| MRI | 4,902 | 82.3% | 31 | 78.0% |
| CT | 1,636 | 97.3% | 3 | 88.8% |
| Ultrasound | 4,160 | 84.4% | 80 | 78.3% |
| Endoscopy | 2,106 | 98.8% | 2 | 69.6% |
MRI: % waiting under 6 weeks England
CT: % waiting under 6 weeks England
Ultrasound: % waiting under 6 weeks England
Endoscopy: % waiting under 6 weeks England
Planned treatment (referral to treatment)
At the end of August 2026, 84,392 people were waiting to start consultant-led treatment at Imperial College Healthcare NHS Trust. Half had waited less than 10.8 weeks (England: 12.2 weeks) and 70.4% had waited under 18 weeks, 5.2 points above the England figure of 65.2%. The NHS constitution standard is 92% within 18 weeks.
| Specialty | Waiting | Median weeks | Under 18 weeks | Over 52 weeks | England median weeks |
|---|---|---|---|---|---|
| Other - Medicals | 13,389 | 8.9 | 77.7% | 0 | 10.7 |
| Other - Surgicals | 9,366 | 12.5 | 64.3% | 5 | 11.4 |
| Cardiology | 8,185 | 12.0 | 66.9% | 1 | 11.9 |
| Ear Nose and Throat | 7,922 | 13.2 | 62.4% | 3 | 15.4 |
| Gynaecology | 7,051 | 9.5 | 73.2% | 1 | 14.2 |
| Ophthalmology | 5,384 | 9.6 | 75.7% | 0 | 10.4 |
| Dermatology | 4,140 | 10.4 | 71.7% | 0 | 10.5 |
| Other - Paediatrics | 4,076 | 8.4 | 85.2% | 1 | 12.3 |
Imperial College Healthcare: median RTT wait (weeks) England
Other trusts in London
| Trust | A&E within 4 hours | MRI under 6 weeks | RTT median weeks |
|---|---|---|---|
| The Hillingdon Hospitals NHS Foundation Trust | 81.9% | 86.2% | 12.6 |
| Barking, Havering and Redbridge University Hospitals NHS Trust | 81.7% | 57.9% | 11.8 |
| Royal Free London NHS Foundation Trust | 80.1% | 84.4% | 13.2 |
| Homerton Healthcare NHS Foundation Trust | 78.5% | 100.0% | 9.7 |
| St George's University Hospitals NHS Foundation Trust | 78.2% | 98.8% | 12.6 |
| Chelsea and Westminster Hospital NHS Foundation Trust | 78.0% | 82.0% | 11.9 |
| Guy's and St Thomas' NHS Foundation Trust | 75.4% | 76.8% | 11.3 |
| London North West University Healthcare NHS Trust | 75.4% | 87.6% | 11.9 |
| University College London Hospitals NHS Foundation Trust | 74.7% | 72.2% | 12.0 |
| Barts Health NHS Trust | 74.0% | 65.1% | 12.5 |
| Croydon Health Services NHS Trust | 72.4% | 99.2% | 10.7 |
| Whittington Health NHS Trust | 72.1% | 97.4% | 11.6 |
| Lewisham and Greenwich NHS Trust | 71.1% | 96.9% | 12.5 |
| Epsom and St Helier University Hospitals NHS Trust | 70.8% | 99.1% | 11.9 |
| Kingston and Richmond NHS Foundation Trust | 69.4% | 100.0% | 12.2 |
| King's College Hospital NHS Foundation Trust | 69.2% | 75.7% | 12.3 |
Towns served
- Westminster · A&E · MRI
Frequently asked questions
What are A&E waiting times like at Imperial College Healthcare NHS Trust?
In September 2026, 75.5% of A&E attendances were admitted, transferred or discharged within 4 hours, against 74.4% across England and the 95% standard.
How long is the waiting list at Imperial College Healthcare NHS Trust?
84,392 people were waiting to start consultant-led treatment at the end of August 2026, with a median wait of 10.8 weeks. 22 had waited over a year.
How long is the MRI scan wait at Imperial College Healthcare NHS Trust?
82.3% of the 4,902 people on the MRI scan waiting list had waited under 6 weeks at the end of August 2026.
How often are these figures updated?
NHS England publishes A&E, diagnostics (DM01) and referral to treatment (RTT) statistics every month, usually on the second Thursday. A&E figures cover the previous month; diagnostics and RTT figures are a month further behind. This site refreshes when new files are published.