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
A&E – Imperial College Healthcare NOT LIVE
3 in 4 (75.5%)
people at A&E were admitted, transferred or discharged within 4 hours. At the main (type 1) A&E it was 6 in 10 (57.3%).
Official monthly figure for Sep 2026 · published 8 October 2026 · NHS England
Live waits are not published for Westminster. Not sure you need A&E? Use NHS 111 online or call 111.
Nearby A&E and how Westminster compares →Westminster, Greater London, is served mainly by Imperial College Healthcare NHS Trust, Chelsea and Westminster Hospital NHS Foundation Trust. This page brings together the latest published NHS England figures for A&E, scans and tests, and planned hospital treatment at those trusts, with trends and comparisons against the London region and England.
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
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
Full A&E page for Westminster: 13-month history, nearby A&E departments and what to do if it is not an emergency.
| 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% |
| 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% |
Detailed pages: MRI scan waiting times in Westminster · CT scan waiting times in Westminster · Ultrasound waiting times in Westminster · Endoscopy waiting times in Westminster.
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
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 |
Chelsea and Westminster Hospital: median RTT wait (weeks) England
ADHD: in June 2026 there were 55,860 open referrals that may be for an ADHD assessment in NHS West and North London Integrated Care Board. 30,070 (53.8%) had been open for a year or more, compared with 57.8% across England. 41,205 had no first contact recorded yet. ADHD waits by area.
Autism: in June 2026, 6,845 people had an open suspected autism referral in this ICB area, and 5,275 (77.1%) had been waiting at least 13 weeks (England 86.8%). Autism waits by area.
NHS England counts open referrals that may be for ADHD. It describes these figures as management information and experimental statistics, so they are approximate and depend on how services record referrals. See also mental health waiting times.
A&E performance at the main trust for the nearest towns on this site.
| Nearby town | Distance | Main trust or board | Within 4 hours |
|---|---|---|---|
| Camden | 3 miles | Royal Free London NHS Foundation Trust | 80.1% |
| Hackney | 5 miles | Homerton Healthcare NHS Foundation Trust | 78.5% |
| Greenwich | 7 miles | Lewisham and Greenwich NHS Trust | 71.1% |
| Croydon | 9 miles | Croydon Health Services NHS Trust | 72.4% |
| Epsom | 13 miles | Epsom and St Helier University Hospitals NHS Trust | 70.8% |
| Dartford | 16 miles | Dartford and Gravesham NHS Trust | 80.1% |
| Slough | 19 miles | Frimley Health NHS Foundation Trust | 75.3% |
| Woking | 22 miles | Ashford and St Peter's Hospitals NHS Foundation Trust | 67.1% |
The 4-hour A&E figure is the share of people who were admitted, transferred or discharged within 4 hours of arriving. The NHS constitution standard is 95%. The diagnostics figures show how long people on the waiting list for a test had waited at the end of the month; the standard is that fewer than 1% wait 6 weeks or more. The referral to treatment (RTT) figures cover people waiting to start consultant-led treatment, against a standard of 92% within 18 weeks. These are averages for a whole trust and do not predict how long any one person will wait.
In September 2026, 75.5% of A&E attendances at Imperial College Healthcare NHS Trust were admitted, transferred or discharged within 4 hours, against 74.4% across England. 0 patients waited more than 12 hours from decision to admit. Actual waits depend on how urgent your condition is.
At the end of August 2026, 82.3% of the 4,902 people waiting for an MRI scan at Imperial College Healthcare NHS Trust had waited under 6 weeks (England 78.0%).
At the end of August 2026, 97.3% of the 1,636 people waiting for a CT scan at Imperial College Healthcare NHS Trust had waited under 6 weeks (England 88.8%).
The median wait for consultant-led treatment at Imperial College Healthcare NHS Trust was 10.8 weeks at the end of August 2026, and 70.4% of patients had waited under 18 weeks.
Westminster is mapped to Imperial College Healthcare NHS Trust, Chelsea and Westminster Hospital NHS Foundation Trust on this site, based on the nearest major hospitals. Some patients may be treated by other trusts depending on where they live and are referred.
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.