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Chelsea and Westminster Hospital NHS Foundation Trust

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How to read these chartsEach measure uses its own NHS England standard

Against the national standards

Each measure is drawn against its own NHS England standard: 95% for A&E within four hours, 85% for urgent cancer treatment within sixty-two days and 99% for diagnostic tests within six weeks. The charts do not share a standard and the three cancer measures are never added together.

Care Quality Commission

When CQC last rated this body

CQC has not rated Chelsea and Westminster Hospital NHS Foundation Trust since 31 January 2020. Its judgements from then are still on CQC’s own site and are not shown here, because a rating more than 3 years old is not what CQC currently says about a body.

Read what CQC publishes on its own site

Monthly performance against national standards

Hover or use the arrow keys to read any month, with the figures the percentage was worked out from. Every chart opens as a table.

A&E Wait Times

Patients seen within four hours

80.7%

Aug 2026

21,463 of 26,609 attendances

+1.8 pts since Jul 2026

Below the 95% standard · −14.3 points

70%85%100%95% standardMay 2025Aug 2025Nov 2025Feb 2026May 2026Aug 2026

August 2026: 80.7 per cent, 21,463 of 26,609 attendances. Below the 95% standard.

All 17 months as a table
A&E Wait Times by month, with the figures each percentage was worked out from.
MonthPerformanceOf attendances
Aug 202680.7%, Below the 95% standard21,463 of 26,609
Jul 202678.8%, Below the 95% standard22,403 of 28,422
Jun 202676.9%, Below the 95% standard21,895 of 28,466
May 202677.6%, Below the 95% standard22,167 of 28,580
Apr 202678.2%, Below the 95% standard21,026 of 26,890
Mar 202679.1%, Below the 95% standard22,149 of 28,011
Feb 202678.4%, Below the 95% standard19,286 of 24,590
Jan 202677.3%, Below the 95% standard21,352 of 27,617
Dec 202578.3%, Below the 95% standard21,396 of 27,319
Nov 202578.7%, Below the 95% standard21,651 of 27,504
Oct 202577.8%, Below the 95% standard21,348 of 27,424
Sept 202577.8%, Below the 95% standard20,429 of 26,267
Aug 202576.8%, Below the 95% standard18,957 of 24,677
Jul 202579.0%, Below the 95% standard21,023 of 26,596
Jun 202580.4%, Below the 95% standard21,461 of 26,688
May 202579.5%, Below the 95% standard21,705 of 27,313
Apr 202581.8%, Below the 95% standard20,936 of 25,589
Dips every January are national, not local. NHS England monthly A&E data

Waiting times (RTT)

Referral to treatment: waiting under eighteen weeks to start treatment

68.2%

Jul 2026

49,923 of 73,258 people waiting

+0.2 pts since Jun 2026

Below the 92% standard · −23.8 points

50%75%100%92% standardJul 2025Sept 2025Nov 2025Jan 2026Mar 2026May 2026Jul 2026

July 2026: 68.2 per cent, 49,923 of 73,258 people waiting. Below the 92% standard.

All 14 months as a table
Waiting times (RTT) by month, with the figures each percentage was worked out from.
MonthPerformanceOf people waiting
Jul 202668.2%, Below the 92% standard49,923 of 73,258
Jun 202667.9%, Below the 92% standard50,009 of 73,615
May 202667.4%, Below the 92% standard50,889 of 75,533
Apr 202666.4%, Below the 92% standard50,612 of 76,176
Mar 202666.0%, Below the 92% standard49,923 of 75,645
Feb 202663.5%, Below the 92% standard47,453 of 74,749
Jan 202661.8%, Below the 92% standard45,805 of 74,145
Dec 202561.2%, Below the 92% standard44,926 of 73,399
Nov 202561.5%, Below the 92% standard45,951 of 74,721
Oct 202561.3%, Below the 92% standard46,568 of 75,966
Sept 202561.1%, Below the 92% standard46,005 of 75,290
Aug 202560.0%, Below the 92% standard43,401 of 72,327
Jul 202559.0%, Below the 92% standard41,030 of 69,487
Jun 202560.4%, Below the 92% standard42,458 of 70,323
Incomplete pathways: people still waiting, not those already treated. NHS England monthly RTT data

Diagnostic tests (DM01)

Waiting under six weeks for a scan, a scope or a test

81.4%

Jul 2026

13,650 of 16,774 people waiting

+0.7 pts since Jun 2026

Below the 99% standard · −17.6 points

60%80%100%99% standardApr 2026May 2026Jun 2026Jul 2026

July 2026: 81.4 per cent, 13,650 of 16,774 people waiting. Below the 99% standard.

All 4 months as a table
Diagnostic tests (DM01) by month, with the figures each percentage was worked out from.
MonthPerformanceOf people waiting
Jul 202681.4%, Below the 99% standard13,650 of 16,774
Jun 202680.7%, Below the 99% standard13,710 of 16,986
May 202679.4%, Below the 99% standard13,544 of 17,066
Apr 202673.6%, Below the 99% standard12,954 of 17,609
Fifteen test types together, from MRI to endoscopy. NHS England monthly diagnostics data

Cancer diagnosis (FDS)

Faster diagnosis standard: told the outcome within twenty-eight days

83.2%

Jul 2026

2,435 of 2,926 referrals

+1.3 pts since Jun 2026

Meets the 75% standard · +8.2 points

70%80%90%75% standardJan 2026Feb 2026Mar 2026Apr 2026May 2026Jun 2026Jul 2026

July 2026: 83.2 per cent, 2,435 of 2,926 referrals. Meets the 75% standard.

All 7 months as a table
Cancer diagnosis (FDS) by month, with the figures each percentage was worked out from.
MonthPerformanceOf referrals
Jul 202683.2%, Meets the 75% standard2,435 of 2,926
Jun 202681.9%, Meets the 75% standard2,377 of 2,901
May 202682.0%, Meets the 75% standard2,036 of 2,484
Apr 202679.2%, Meets the 75% standard2,073 of 2,619
Mar 202678.1%, Meets the 75% standard2,283 of 2,924
Feb 202681.7%, Meets the 75% standard2,084 of 2,551
Jan 202679.1%, Meets the 75% standard1,999 of 2,527
Told whether they have cancer, not treated for it. NHS England monthly cancer waiting times

Cancer (31-day)

Decision to treat to first treatment within thirty-one days

97.6%

Jul 2026

203 of 208 treatments

−2.4 pts since Jun 2026

Meets the 96% standard · +1.6 points

90%95%100%96% standardJan 2026Feb 2026Mar 2026Apr 2026May 2026Jun 2026Jul 2026

July 2026: 97.6 per cent, 203 of 208 treatments. Meets the 96% standard.

All 7 months as a table
Cancer (31-day) by month, with the figures each percentage was worked out from.
MonthPerformanceOf treatments
Jul 202697.6%, Meets the 96% standard203 of 208
Jun 2026100.0%, Meets the 96% standard200 of 200
May 202699.3%, Meets the 96% standard139 of 140
Apr 202699.0%, Meets the 96% standard190 of 192
Mar 202698.9%, Meets the 96% standard180 of 182
Feb 202699.3%, Meets the 96% standard136 of 137
Jan 2026100.0%, Meets the 96% standard163 of 163
Starts at the decision to treat, so it excludes the wait to diagnose. NHS England monthly cancer waiting times

Cancer (62-day)

Urgent referral to first treatment within sixty-two days

90.4%

Jul 2026

188.5 of 208.5 treatments

+5.1 pts since Jun 2026

Meets the 85% standard · +5.4 points

70%85%100%85% standardJan 2026Feb 2026Mar 2026Apr 2026May 2026Jun 2026Jul 2026

July 2026: 90.4 per cent, 188.5 of 208.5 treatments. Meets the 85% standard.

All 7 months as a table
Cancer (62-day) by month, with the figures each percentage was worked out from.
MonthPerformanceOf treatments
Jul 202690.4%, Meets the 85% standard188.5 of 208.5
Jun 202685.3%, Meets the 85% standard176.5 of 207
May 202692.3%, Meets the 85% standard131 of 142
Apr 202689.0%, Meets the 85% standard166.5 of 187
Mar 202682.2%, Below the 85% standard156.5 of 190.5
Feb 202683.0%, Below the 85% standard122 of 147
Jan 202679.8%, Below the 85% standard134 of 168
The standard usually meant by 'the cancer target'. NHS England monthly cancer waiting times