20m pool

The 20m pool at St Mary's Hospital 

Whether you simply want a relaxing swim at the end of a hard day or whether you're training for a competitive event, 20m swimming pool, set in bright and modern surroundings, provides an ideal swimming environment. With weekend family swim sessions, swimming lessons, there is something for everyone. The pool is available for lane swimming, scuba diving, water polo, synchronised swimming and also to hire for special events. 

Please note: Only staff with Club Imperial membership will have access to Pinnacle Gym at St Mary's which is now run by the NHS trust. If you wish to get access, please email hayley.osborn@imperial.nhs.uk with confirmation of your Club Imperial membership status.

Any students who wishing to use a gym facilities at the hospital should use the gym run by the Students' Union. For more information please contact marys.gym@imperial.ac.uk

Swimming pool

Opening hours

The pool is open:

Monday: 07.00 - 09.00; 12.15 - 13.30; 15.30 - 19.00
Tuesday: 12.15 - 13.30; 15.30 - 19.00
Wednesday: 07.00 - 09.00; 12.15 - 13.30; 15.30 - 19.00
Thursday: 12.15 - 13.30; 15.30 - 19.00
Friday: 07.00 - 09.00;  12.15 - 13.30; 15.30 - 19.00
Saturday: 09.00 - 17:00
Sunday: Closed

The last entry is half an hour before closing time. 

Using the pool

All users are reminded to present their ID or 10's card to staff on duty and to sign-in before using the pool. Swims may be purchased from the pool office from the staff on duty.

Lockers are available to store all personal Items, and if you require one a combination  padlock can be brought from the pool office for £5.

We do not supply towels for use at the pool.

Please shower before entering the pool.


Students - the swimming pool is free of charge to all Imperial students.

Staff -  staff are required to pay a fee £5 per swim, buy a 10’s card, join for a 12 months or 6 months or join Club Imperial and pay a monthly fee.

Children - children (3-16 years old) are not permitted to swim, except during family lane swim times, from 12.00 - 2.00 on a Saturday and accompanied by an adult member for £3 per child. Or as part of FastFin lessons or a school. 

Children must be accompaniedby a parent/guardian whilst at poolside who are responsible for them during this time.

Please use the overshoes provided whilst at the pool side if you are not swimming

Swimming lessons

Fastfin logo

Swimming lessons – Fast Forward with FastFins®

FastFins® are the exclusive provider of educational swimming lessons and coaching at Imperial College London. FastFins® use accelerated teaching methods developed by professional swimmers and expert coaches, which instill in its pupils the requisite skills, knowledge and understanding of the sport to ensure a lifetime of swimming pleasure.

For further course information, contact FastFins® on:

Tel: +44 (0)7967 660 050 | Email: info@fastfins.co.uk | Website: www.fastfins.co.uk

Swimming Prices

Membership OptionsStudentsImperial StaffNHS and St Mary's StaffPrivate MembersNon IC Students
 Annual membership  N/A  £156.00  £156.00  £261.00  £166.00
 6 Month membership  N/A  £86.00  £86.00  £146.00  £96.00
 Casual swim*  Free  £4.50   £4.50  £5.00  £5.00

* During Saturday family swim session, children's swimming price is £3.00

Imperial students can use the pool for free.