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
Chelsea and Westminster Hospital NHS Foundation Trust waiting times
Latest NHS England figures for A&E, diagnostic tests and planned treatment at Chelsea and Westminster Hospital NHS Foundation Trust, in the London region, which serves Westminster.
A&E
In September 2026, 78.0% of the 28,769 people attending A&E at Chelsea and Westminster Hospital NHS Foundation Trust were admitted, transferred or discharged within 4 hours. That is 3.6 points above the England average of 74.4% and 1.0 points above the London average of 77.0%. It ranks 24 of 120 trusts with a major A&E in England and 6 of 17 in London (1 = highest share within 4 hours). At the main emergency department (type 1), 72.6% spent 4 hours or less, against 60.6% across England. 2,966 patients were admitted as emergencies through A&E, and 44 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 76.9% (June 2026) to 80.7% (August 2026); it is up 0.2 points since September 2025.
Chelsea and Westminster Hospital: % 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 | 78.0% | 28,769 | 44 | 74.4% |
| August 2026 | 80.7% | 26,609 | 61 | 75.0% |
| July 2026 | 78.8% | 28,422 | 74 | 75.4% |
| June 2026 | 76.9% | 28,466 | 50 | 75.0% |
| May 2026 | 77.6% | 28,580 | 53 | 75.7% |
| April 2026 | 78.2% | 26,890 | 34 | 76.9% |
| March 2026 | 79.1% | 28,011 | 45 | 77.1% |
| February 2026 | 78.4% | 24,590 | 43 | 74.1% |
| January 2026 | 77.3% | 27,617 | 54 | 72.5% |
| December 2025 | 78.3% | 27,319 | 51 | 73.8% |
| November 2025 | 78.7% | 27,504 | 59 | 74.2% |
| October 2025 | 77.8% | 27,424 | 45 | 74.2% |
| September 2025 | 77.8% | 26,267 | 46 | 75.1% |
Diagnostic tests
| Test | Waiting list | Waiting under 6 weeks | Waiting 13+ weeks | England under 6 weeks |
|---|---|---|---|---|
| MRI | 2,711 | 82.0% | 7 | 78.0% |
| CT | 1,425 | 74.5% | 150 | 88.8% |
| Ultrasound | 7,008 | 73.5% | 32 | 78.3% |
| Endoscopy | 1,713 | 94.0% | 6 | 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, 72,142 people were waiting to start consultant-led treatment at Chelsea and Westminster Hospital NHS Foundation Trust. Half had waited less than 11.9 weeks (England: 12.2 weeks) and 69.3% had waited under 18 weeks, 4.1 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 - Paediatrics | 8,747 | 12.1 | 70.9% | 43 | 12.3 |
| Other - Surgicals | 7,058 | 13.8 | 60.9% | 178 | 11.4 |
| Gynaecology | 6,958 | 8.3 | 86.8% | 1 | 14.2 |
| Urology | 6,635 | 12.1 | 68.5% | 27 | 12.2 |
| Other - Others | 5,889 | 9.7 | 80.8% | 3 | 8.7 |
| Ear Nose and Throat | 5,478 | 17.5 | 51.4% | 109 | 15.4 |
| Trauma and Orthopaedic | 5,459 | 15.9 | 55.7% | 153 | 13.9 |
| Dermatology | 5,115 | 9.8 | 77.8% | 3 | 10.5 |
Chelsea and Westminster Hospital: 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 |
| Imperial College Healthcare NHS Trust | 75.5% | 82.3% | 10.8 |
| 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 Chelsea and Westminster Hospital NHS Foundation Trust?
In September 2026, 78.0% 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 Chelsea and Westminster Hospital NHS Foundation Trust?
72,142 people were waiting to start consultant-led treatment at the end of August 2026, with a median wait of 11.9 weeks. 846 had waited over a year.
How long is the MRI scan wait at Chelsea and Westminster Hospital NHS Foundation Trust?
82.0% of the 2,711 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.