Flex Fitness Henderson - 24hr / 7day Gym

gym — Henderson · Auckland

About Flex Fitness Henderson - 24hr / 7day Gym

Flex Fitness Henderson is a 24-hour, seven-day gym on Ratanui Street in the heart of Henderson — the Flex Fitness network's West Auckland club and, in its own words, an all-in-one wellness hub. Members can train around the clock on premium Life Fitness equipment, supported by experienced fitness professionals, ensuite bathrooms and free on-site parking.

Recovery gets the same billing as training here. The club's dedicated recovery space pairs a traditional Finnish sauna running between 80 and 100 degrees with two cold plunge pools set at 8 and 12 degrees — reflecting the club's view that recovery is just as important as the workout itself.

Beyond the floor, there's personal training with expert coaches to help you reach goals faster and come back from injury, group fitness on the club schedule, an in-club smoothie bar, and a supplements range covering protein powder, pre-workout and vitamins. The MyFlex app ties it together, letting you book and pay for PT, record biometrics, connect other fitness apps and follow daily workouts. New visitors can grab a free trial pass or take the virtual tour online.

Flex Fitness Henderson: Henderson's 24/7 Gym with Sauna, Cold Plunges and a Smoothie Bar

Late-night shift finishers, dawn-patrol trainers and weekend warriors all share one thing at Flex Fitness Henderson: the gym is effectively always open. This Ratanui Street club is the Flex Fitness network's West Auckland outpost, and it bills itself as more than just a gym — an all-in-one wellness hub where premium gear, first-class facilities and experienced fitness professionals sit under one roof, twenty-four hours a day, seven days a week.

A floor built for real training

The training floor is kitted out with Life Fitness equipment, one of the most recognisable names in gym gear, so whether you're working through a strength programme or grinding out cardio, you're on kit designed to take a pounding. Ensuite bathrooms mean you can shower and head straight to work or home, and free on-site parking removes the usual excuse for skipping a session.

If you'd rather not go it alone, the club's personal trainers are there to maximise your workout, speed up progress towards your goals and help you come back from injury under expert guidance. Group fitness is part of the mix too — the Henderson class timetable was listed as coming soon, so it's worth checking the club's page or asking the team in person for the latest schedule.

Recovery, taken seriously

What sets this club apart from a basic weights-and-treadmill operation is its dedicated recovery space. There's a traditional Finnish sauna running between 80 and 100 degrees for those who like their heat honest, alongside two cold plunge pools set at 8 and 12 degrees. The club's own philosophy puts it plainly: your recovery is just as important as your physical training. Many members alternate between the heat and the cold, turning a workout into a proper wellness session.

Refuel without leaving the building

Post-session, the smoothie bar covers the refreshment side of things, and an in-club supplements range stocks the protein powder, pre-workout and vitamins you need — to borrow the club's phrase — to perform at your absolute best. It means you can walk out refuelled rather than detouring across Henderson for a shake.

The MyFlex app ties it together

Flex's digital companion, the MyFlex app, lets you book and pay for personal training, build a personal profile, record biometrics and connect to other fitness apps, and access daily workouts and exclusive promotional offers. The club suggests seeing the team in-club to get set up and download it.

Visiting Flex Henderson

Flex Fitness Henderson is at 10-12 Ratanui Street, Henderson, Auckland. Staffed hours run 7am to 7pm Monday through Friday and 7am to 2pm on Saturday; Sundays are unstaffed, although as a 24/7 club the gym itself stays open around the clock. You can reach the club on 09 280 4552 or 020 4462 428, or email henderson@flexfitnessgym.co.nz.

New to the brand? Flex Fitness operates clubs right across New Zealand, from Airport Oaks to Queenstown, and the Henderson club offers a free trial pass you can grab online — plus a virtual tour if you want to walk the floor before you visit. Whether your reason for change is strength, recovery or simply a routine that fits around real life, this Ratanui Street hub is built to still be open whenever you get there.

Signature items

  • 24/7 Access
  • Finnish Sauna
  • Cold Plunge Pools
  • Life Fitness Floor
  • Personal Training
  • Smoothie Bar

Menu

Digital

  • MyFlex App — Book and pay for PT, record biometrics, connect fitness apps, access daily workouts and offers
  • Virtual Tour — Walk through the club online before your first visit

Recovery

  • Finnish Sauna — Traditional sauna with a temperature range of 80 to 100 degrees
  • Cold Plunge Pools — Two plunge pools set at 8 and 12 degrees for post-session recovery

Training

  • Personal Training — One-on-one coaching to maximise workouts, reach goals faster and recover from injury
  • Group Fitness Classes — Led classes on the club schedule — Henderson timetable listed as coming soon

Facilities

  • Life Fitness Equipment — Premium cardio and strength gear across the gym floor
  • Ensuite Bathrooms — Full changing and shower facilities on site
  • Free Parking — On-site parking at no cost

Fuel & Retail

  • Smoothie Bar — In-club smoothies for before or after training
  • Supplements — Protein powder, pre-workout and vitamins to support performance

Frequently asked questions

Is Flex Fitness Henderson really open 24 hours?
Yes — it's a 24-hour, 7-day club. Staffed hours are 7am-7pm Monday to Friday and 7am-2pm Saturday; Sundays are unstaffed, but the club remains open to members.
Can I try the gym before joining?
Yes, Flex offers a free trial pass you can grab online via the free trial page on its website.
Is there parking at the Henderson club?
Yes, there is free on-site parking.
What recovery facilities are available?
The club has a traditional Finnish sauna running between 80 and 100 degrees, plus two cold plunge pools set at 8 and 12 degrees.
How do I book a personal trainer?
You can book and pay for personal training through the MyFlex app, or organise it with the team in club.
Does the Henderson club run group fitness classes?
Group fitness is part of the offering; the Henderson timetable was listed as coming soon, so check the club page or ask staff for the current schedule.
How do I contact the club?
Phone 09 280 4552 or 020 4462 428, or email henderson@flexfitnessgym.co.nz.

Tips

  • {"body":"Staff are on site 7am-7pm Mon-Fri and 7am-2pm Saturday — the best times for a tour or membership help. Sunday is unstaffed.","title":"Visit during staffed hours for sign-up"}
  • {"body":"Finish your session in the 80-100 degree Finnish sauna, then rotate through the 8 and 12 degree cold plunge pools.","title":"Try the sauna-to-plunge loop"}
  • {"body":"A free trial pass is available online, and there's a virtual tour if you'd like a look around the club first.","title":"Start with the free pass"}
  • {"body":"The app handles PT bookings and payments, biometrics, third-party app connections and daily workouts — see the in-club team to get it set up.","title":"Set up MyFlex before your first visit"}

Good to know

  • {"parking":"Free on-site parking","payments":"Book and pay for personal training via the MyFlex app"}