About Southend

The Southend gym has been carefully created to give the local community everything it could possibly need from a gym. We’re confident that our blend of 24/7 access, extensive gym equipment, multiple classes and elite personal trainers make us a gym like no other in the Southend area.

Day Passes are available too and cost £7.00. Click the join now button and look for the day pass option. Day passes are only valid during staffed hours.


All New Equipment Coming Soon

This December(2018) we will be replacing all of the equipment in the Gym with the latest Life Fitness and Hammerstrength equipment!

It’s part of our ongoing commitment to our members to ensure that Simply Gym is the best Gym in Southend and that you have everything you need to achieve your goals. Check out the Video below to see the plans for our new Simply Gym Southend!


Join Simply Gym Southend

Simply Gym App
Download the Simply Gym app from the App Store and Google Play.
  • Download on the app store
  • Download on the app store

Where To Find Us

Simply Gym Southend
Thamesgate House
33-41 Victoria Ave
Southend on Sea
(“Opposite the Police Station on Victoria Ave”)

Tel: 01702 335 797

Opening Times

Mon-Sun: Open 24/7

Christmas Opening Times

24th - Christmas Eve: Open 24/7

25th - Christmas Day: Open 24/7

26th - Boxing Day: Open 24/7

31st - New Year's Eve: Open 24/7

1st - New Year's Day: Open 24/7


Simply Gym Southend
Thamesgate House
33-41 Victoria Ave
Southend on Sea
(“Opposite the Police Station on Victoria Ave”)

The Simply Gym Difference

Achieve Your Goals With Us
  • Guaranteed Results in 6 weeks

  • Access to the 24 hour secured gym

  • Safe and secure lockers for your personal belongings

  • Extensive, state of the art cardio equipment

  • A free weight training area with weights from 1-50kg

  • Broad range of fitness classes

  • Group functional area

  • Spinning exercise studio

  • Individual training programmes designed just for you

  • Complimentary fitness evaluation

  • Ongoing and unrivalled member care

  • Free parking

Find out more

Enter your details below and one of our Trainers will get in touch to chat about your fitness goals

Simply Gym Southend, Southend-on-Sea

Free Simply Gym Classes

All our daily classes are free when you become a member
Synrgy Starter

If you haven’t done many circuit classes before, Synrgy Starter is your perfect place to start.  This fully coached introductory session aims to coach and develop your techniques on various exercises.

Synrgy LBT

The name says it all! The focus of this class is to tighten and shape your legs, bums and tums with specific exercises.

Synrgy Core/Abs

The body’s core constitutes a whole range of muscles between the hips and shoulders. In addition to well defined abs and flat stomach, a strong core will provide support for your back and help safeguard against injury.


The Spinning coach takes you to various mountains and valleys. Within the group you will reach goals you might not have reached by yourself. Within one hour of spinning up to one complete meal can be burned. No matter if you would like to burn fat or simply feel fantastic: Spinning is the ideal workout for you.

Synrgy Max

Synrgy Max is the intense full body workout with a focus on muscle body shape. Synrgy Max workouts include great music, with step, strength, endurance and optimizing fat burning.


A fun and dynamic workout designed to improve your body shape using bodyweight exercises through an interval based program.


This class consists of 50% weight based training, 50% high intensity interval training. The class has two main focus': Learning about training alone and having fun getting fit! With 50/50 you will learn how to train independently, both with competence and confidence, while having an interactive and challenging workout!

Synrgy Circuit

A fun and dynamic workout designed to improve your body shape using various exercises on and off the Synrgy 360 frame through an interval based program.