A&E

St Mary's Hospital (Hq) (London) A&E Waiting Times

Imperial College Healthcare NHS Trust

Latest report
1 hr 15 min
08 Oct 20:20
Average
5 hr 47 min
7 reports
Reported by visitors, not the hospital. Waits shown here are typical for non-urgent cases. Patients are seen in order of clinical priority, so the most seriously ill are always seen first no matter how busy the department is.
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0 minutes total
Community reported wait times

These times are reported by visitors and may not reflect current conditions.

Nearby A&E & urgent care
Princess Alexandra Hospital A&E
20.8 mi away
Long wait
Princess Alexandra Hospital Children's A&E
20.8 mi away
Long wait
Princess Alexandra Hospital Same Day Emergency Care A&E
20.8 mi away
Long wait
Sittingbourne MIU
41.2 mi away
Long wait
Sheppey MIU
42.2 mi away
Long wait

There are also other nearby A&Es which collect wait times from the community, including University College Hospital, Chelsea And Westminster Hospital and Royal Free Hospital.

Contact & location
Praed Street, London, W2 1NY
Opening times
Monday TodayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
Getting here
Train stations
Paddington Station3 min walk to A&E
Marylebone12 min walk to A&E
Bond Street Station23 min walk to A&E
Kilburn High Road Station32 min walk to A&E
South Hampstead Station34 min walk to A&E
Metro / tram
Paddington Underground Station2 min walk to A&E
Paddington (H&C Line)-Underground4 min walk to A&E
Edgware Road (Bakerloo) Underground Station6 min walk to A&E
Edgware Road (Circle Line) Underground Station7 min walk to A&E
Lancaster Gate Underground Station9 min walk to A&E
Bus stops
8 routes·5 operators·5 stops within walking distance
Paddington Station (Stop H, eastbound)2 min walk to A&E
16Metroline TravelPaddington ↔ Church End
23London TransitKensal Town ↔ Temple
27Abellio LondonHammersmith ↔ Camden Town
36Go-AheadKilburn ↔ New Cross Gate
7Metroline TravelNorth Acton ↔ Oxford Circus
N205StagecoachPaddington ↔ Leyton
N27Abellio LondonHammersmith ↔ Camden Town
N7Metroline TravelNortholt ↔ Oxford Circus
St Marys Hospital (Stop P, eastbound)2 min walk to A&E
16Metroline TravelPaddington ↔ Church End
23London TransitKensal Town ↔ Temple
27Abellio LondonHammersmith ↔ Camden Town
36Go-AheadKilburn ↔ New Cross Gate
7Metroline TravelNorth Acton ↔ Oxford Circus
N205StagecoachPaddington ↔ Leyton
N27Abellio LondonHammersmith ↔ Camden Town
N7Metroline TravelNortholt ↔ Oxford Circus
St Marys Hospital (Stop G, northbound)2 min walk to A&E
23London TransitTemple ↔ Kensal Town
27Abellio LondonPrimrose Hill ↔ Hammersmith
36Go-AheadNew Cross Gate ↔ Queens Park
7Metroline TravelOxford Circus ↔ North Acton
N205StagecoachLeyton ↔ Paddington
N27Abellio LondonPrimrose Hill ↔ Hammersmith
N7Metroline TravelOxford Circus ↔ Northolt
Paddington Station (->S1, southbound)3 min walk to A&E
Paddington Station (Stop F, westbound)4 min walk to A&E
23London TransitTemple ↔ Kensal Town
27Abellio LondonPrimrose Hill ↔ Hammersmith
36Go-AheadNew Cross Gate ↔ Queens Park
7Metroline TravelOxford Circus ↔ North Acton
N205StagecoachLeyton ↔ Paddington
N27Abellio LondonPrimrose Hill ↔ Hammersmith
N7Metroline TravelOxford Circus ↔ Northolt
Plan journey by public transport
What’s available here
Accessibility
Disabled ParkingDisabled WcInduction LoopSigning Service AvailableStep Free AccessWheelchair Access
Accommodation
Access To TvFamily AccommodationInternet AccessMobile Phones PermittedPublic TelephoneSingle Sex Accommodation Only
Parking
Car ParkingDisabled Parking
Faith Services
On-Site ChapelPrayer Area
Food and Amenities
CafePharmacyShop

About St Mary's Hospital (Hq)

St Mary's Hospital (Hq) runs a 24-hour accident and emergency department, open to all ages, on Praed Street in London, Greater London, part of Imperial College Healthcare NHS Trust. The wider site runs 74 listed departments and services, from Allergy services in hospital to Weight loss services.

The Care Quality Commission rates it Requires Improvement. It rated the hospital's urgent and emergency services Requires Improvement when they were last inspected in February 2018. The site lists 106 parking spaces, and patient and visitor parking is free.

Official NHS performance

57.3%seen within 4 hours
12,877attendances in September 2026
60.4%England average for major A&Es

NHS England publishes these figures for Imperial College Healthcare NHS Trust as a whole, covering every A&E the trust runs rather than this site alone. That is below the England average of 60.4% for major A&E departments over the same month.

In the NHS Friends and Family Test for August 2026, 88% of 168 patients who responded at this site reported a positive experience. The trust's general and acute wards averaged 97.1% overnight bed occupancy in the quarter to March 2026 - full wards are the main reason admitted patients queue in A&E.

Attendances by year

NHS yearA&E attendancesMonthly averageWithin 4 hours12hr+ waits to admit
2023-24145,28712,10763.4%1,060
2024-25142,02111,83558.1%3,374
2025-26145,30912,10958.0%756
2026-27 (6 months)73,99912,33358.9%0

Between 2023-24 and 2025-26, monthly A&E attendances stayed broadly flat and the share seen within four hours fell by 5.4 percentage points.

Frequently asked questions

How do I check the current A&E wait time at St Mary's Hospital (Hq)?

The live waiting time for the A&E at St Mary's Hospital (Hq) is shown at the top of this page, together with when it was last updated. Times are reported by recent visitors and carry a community badge - after your own visit you can submit your wait time in a few seconds to help the next person.

When is the A&E at St Mary's Hospital (Hq) quietest?

Patterns vary by hospital, but across UK urgent and emergency care the quietest window is usually the early morning, roughly 4am to 7am, with demand building through the afternoon and peaking in the evening. Friday and Saturday nights and Monday mornings are typically the busiest periods. See our guide to the best time to visit for more detail.

How long will I wait at St Mary's Hospital (Hq) A&E?

Patients are triaged on arrival and the most urgent cases are always seen first, so your wait depends on how serious your condition is and how busy the department is. Hospitals in England work to the NHS four-hour standard - the aim is to admit, transfer or discharge patients within four hours of arrival. The live figure on this page shows how St Mary's Hospital (Hq) is doing right now. NHS England's most recent figures (September 2026) show 57.3% of patients across the trust's A&E departments were seen within four hours.

How often are the waiting times on this page updated?

This page updates whenever a visitor submits a new wait time, so freshness depends on recent reports - each entry shows when that person visited. If you have been to St Mary's Hospital (Hq) recently, submitting your wait takes a few seconds and helps others plan.

Is the A&E at St Mary's Hospital (Hq) open 24 hours?

Yes - the A&E at St Mary's Hospital (Hq) is open 24 hours a day, every day of the year. In a life-threatening emergency always call 999.

Where is St Mary's Hospital (Hq) and how do I get there?

St Mary's Hospital (Hq) is at Praed Street, London, W2 1NY. For general enquiries call 020 3312 6666. Enter your postcode in the Getting here section for a door-to-door route.

Is parking free at St Mary's Hospital (Hq)?

Yes - the trust lists patient and visitor parking at this site as free (NHS estates return, 2024-25). There are 106 parking spaces.

What is the CQC rating for St Mary's Hospital (Hq)?

St Mary's Hospital (Hq) is rated Requires Improvement overall by the Care Quality Commission (CQC), the independent regulator of health and social care in England. It rated the hospital's urgent and emergency services Requires Improvement when they were last inspected in February 2018. You can read the full CQC report.

Can children be treated at St Mary's Hospital (Hq) A&E?

This A&E serves: All ages. If your child's age group is not treated here, the nearby section on this page lists alternatives - or call NHS 111 for urgent advice and 999 in an emergency.
About this data
This hospital does not currently have a live data source. The waiting times shown here are reported by visitors and may not reflect current conditions. You can see how we source data for every hospital on our data sources page. Department labels shown (e.g. A&E, MIU, UTC) are our interpretation of the source data and may not match the hospital’s own terminology. If any information is incorrect, please let us know.
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