Younger teen girl sipping water on treadmill

For kids that want to get into the gym, we run sessions where they can use the cardiovascular equipment, under the supervision of one of our specially trained instructors.

Our Under 16s gym sessions will prepare teens for full-time use of the gym from 16 years old.

Those aged 10 to 13 will follow a set programme.

Those aged 14 and 15 will follow their own bespoke programme set by our gym staff at their induction.


  • Monday to Friday (inclusive): 4pm to 5.30pm
  • Saturdays and Sundays: 11.30am to 1pm
  • Bank holidays: 10.30am to 12pm


  • ourChelmsford Lite card: £5.30
  • ourChelmsford Plus card: £4.30
  • ourChelmsford Premium Members: included

Save money by upgrading to an ourChelmsford Plus or monthly Premium membership for teens. 

  • You must have an ourChelmsford account to book and attend Under 16s gym, even if you are not a monthly member and you don't live in Chelmsford.

You can book in advance:

Advanced booking

  • If you are a monthly member, you can book up to 10 days in advance

  • If you are an ourChelmsford Plus cardholder, you can book seven days in advance

  • If you are an ourChelmsford Lite cardholder, you can book two days in advance


  • If you can't attend a class that you have booked onto, you must cancel at least two hours before it starts.
  • You can cancel online or via the app, or by calling 01245 605666
  • We will charge you the full amount for the class if you do not cancel in time, or if you do not attend. 

First time attendees

All first-time attendees must be accompanied by a parent or guardian as we require a signature on a Physical Activity Readiness Questionnaire (PAR-Q).  

Attendees aged 12 years

If an attendee is aged 12 years old, we also ask that a parent or guardian collect them from the gym or provide written agreement allowing them to leave the centre unaccompanied.  

Lockers and changing rooms

  • If you want to use a locker, you will need a £1 token from reception to release the key. You will get the £1 back when you return the token.
  • There is a male group changing area and a female group changing area.
  • Accessible changing facilities are available.

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