A group exercise class lift weights

We offer classes for beginners who want to have fun while toning, or more intensive classes for the serious athlete.


This is a strength workout using barbells and weight plates. The weights help to increase muscle mass and build strength. Using specific reps and moves during the workout helps to develop your body the way you want it. This exercise mainly focuses on burning calories and building muscle. Classes are structured to focus on specific muscle groups in separate tracks to ensure a precise workout. It’s great for all levels as you can control the amount of weight you use.

Les Mills Shapes

This is a dynamic, full-body, targeted workout that uses small, controlled movements and repetition to isolate muscles, sculpting and strengthening all areas of the body. Suitable for all fitness levels, we find the hot spot and stay there for as long as possible to develop core strength and flexibility.

Les Mills Strength Development

This is a comprehensive group training workout that combines slow and controlled movements, functional exercises, and dynamic core training to enhance strength, power, and athleticism.

A full body workout focusing on every muscle group utilising weighted bar and plates. This class is designed for muscle definition and tone.

Standard prices

  • 30 minutes: £8.10
  • 45 minutes: £8.90
  • 60 minutes: £10.20


  • 30 minutes: £7.60
  • 45 minutes: £8.40
  • 60 minutes: £9.40

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

Standard prices

  • 30 minutes: £6.80
  • 45 minutes: £7.90
  • 60 minutes: £8.90


  • 30 minutes: £6.30
  • 45 minutes: £7.10
  • 60 minutes: £8.10

Save money by upgrading to a monthly Premium membership

Our exercise classes are very popular, we advise booking in advance. 

You can:  

You can book onto classes: 

  • ten days in advance if you have a monthly membership  
  • seven days in advance if you have an ourChelmsford Plus card     
  • two days in advance if you have an ourChelmsford Lite card
  • You will need to book a session in advance to guarantee your space.
  • If you do not check-in, we will charge you the full amount for the session.
  • Please make sure that you have registered your email address with us in order to book online.
  • 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, by calling 01245 615050 or in person. 
  • We will charge you the full amount for the class if you do not cancel in time, or if you do not attend.
  • You will need to collect a ticket from reception when you arrive for your class.  
  • Monthly members can swipe through the barrier and register their attendance. 
  • You will not be allowed entrance to any class if it has already started.  
  • To allow time for changeovers, classes will finish five minutes before the advertised time.  
  • If you want to use a locker on poolside, you will need a £1 coin to release the key. You will get the £1 back when you return the key.   
  • There is a male group changing area and a female group changing area located on poolside. 
  • Accessible changing facilities are located on poolside.
  • The pools complex, including the changing area is a shoe-free zone, this includes the removal of flip flops.

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