jumpflex flex 12 ft trampolines
jumpflex FLEX trampoline ladder
Picture of FLEX 12ft Trampoline
jumpflex trampoline colour play
mum and daughter playing on jumpflex trampoline

FLEX 12ft Trampoline

4.8 out of 5 star rating
4.8 star rating|1,390 reviews
Clearpay
Estimated Delivery

3–5 day delivery

Warranty

5 year warranty

The FLEX™ 12 ft Trampoline is an excellent all-rounder for jumpers of all ages. Featuring a 4m diameter and a 3.2m jumping mat, it fits well in medium-sized yards. With a robust construction that supports up to 150kg, this model is perfect for young families. Its versatile design and strong build make it a perfect 12 ft trampoline for versatile fun in the United Kingdom, combining safety, great value and enjoyment for everyone.

Ladder included (valued at £39)

Real Reviews From Real Customers

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4.8 out of 5 star rating
4.8 star rating|13,116 reviews
Harriet T. Verified Buyer22 October 2024
5.0 out of 5 star rating
1 reviews
Great and good quality!
Kim J. Verified Buyer22 October 2024
5.0 out of 5 star rating
1 reviews
Great addition for more fun.
Kim J. Verified Buyer22 October 2024
5.0 out of 5 star rating
1 reviews
Kids are loving it! Very easy to set up too.
Valerie F. Verified Buyer18 October 2024
5.0 out of 5 star rating
1 reviews
Perfect, glad we bought it, the boys use it as their camp as well
Michelle H. Verified Buyer14 October 2024
5.0 out of 5 star rating
1 reviews
Very good customer service when telephoned them due to an issue I had
Michelle H. Verified Buyer14 October 2024
5.0 out of 5 star rating
1 reviews
My 3 young grandsons love the 12ft trampoline I bought for my grandson that lives with me so I ordered a 10ft one for my other grandson for Christmas as he needs a new one. I’m really happy with the q...
Michelle H. Verified Buyer14 October 2024
5.0 out of 5 star rating
1 reviews
I first got a 12ft one for my grandson that lives with me and my other grandson loves it as well and he needed a new one so I got him a 10ft one. All my grandchildren love the one at my house and I’m ...
Kim D. Verified Buyer9 October 2024
5.0 out of 5 star rating
1 reviews
Excellent service & product
Nicholas A. Verified Buyer8 October 2024
5.0 out of 5 star rating
1 reviews
Hours of fun and exercise for three generations!
Priscilla T. Verified Buyer7 October 2024
5.0 out of 5 star rating
1 reviews
The product is very quality and it was easy to assemble. My kids are enjoying it very much. Worth buying it.
Emily H. Verified Buyer6 October 2024
5.0 out of 5 star rating
1 reviews
My sons absolutely love their new trampoline and slide. We put it up a few days ago and they have spent hours and hours having fun. Their friends have been coming round to play in it too!
Brett B. Verified Buyer1 October 2024
5.0 out of 5 star rating
1 reviews
Nice addition to the trampoline and gets well used.

The perfect starter

The trampoline for a growing family

flex trampoline range 8ft 10ft
flex logo white

Our FLEX™ 12 ft trampoline has been built with young families in mind, delivering a great bouncing experience + full safety features + a great low price! Choose Jumpflex® and play for life!

jumpflex flex trampoline in garden
trampoline pole clearance

More space between you and the poles

200% more clearance dramatically softens any pole contact

With our unique patented design, the poles curve away from the trampoline, so you can go crazy! Flip, spin, twirl and do all the stuff that makes bouncing so much fun, with less risk.

jumpflex anti-rust frame treatment video

Built to last

Protection from Mother Nature

As well as looking great in your backyard, Jumpflex™ 12 ft trampolines are designed to stand the test of time. Jumpflex™ metal components undergo a 6-layer rust-proofing and durability process.

All metal components are galvanised inside and out with a hard-wearing zinc coating. Visible sections are finished with a UV-resistant black powder coating. This ensures Jumpflex™ trampolines will remain a property feature you'll be proud of.

kids bouncing

150 kg total weight rating

Built for a growing family

Well-built trampolines equal bigger, smoother bouncing for your family. Good thing our new Jumpflex® FLEX™ 12 ft trampoline features our zero-bolt, zero-weld approach, that not only looks fantastic, but also improves frame strength and stability. This trampoline easily caters for a young family, handling up to a 150 kg load!

* Max individual user weight 100 kg.

trampoline safety testing astm

Designed for safety

Built to last

We’ve made our 12 ft FLEX™ trampolines with safety in mind! Built to global safety certification standards: ASTM & CE, Jumpflex® trampolines are recognised as the ultimate in trampoline design.

360-degree protection

SafeSeal™ technology

360 degree trampoline safety net

Our 12 ft trampolines feature a 360-degree net safety enclosure to prevent the chance of accidents. Jumpflex® nets securely clip down to the jumping mat all the way around the trampoline. This unique SafeSeal™ system ensures that there is no possibility for kids to fall out once the trampoline door is zipped shut.

top of trampoline net flex
trampoline safety net

A tight weave nylon safety net that’ll last

TightWeave™ technology

Our 12 ft trampolines are built to last, with nets made from 100% high-strength nylon and woven using the TightWeave™ system. A protective UV additive protects the nets against sun damage, allowing your new 12 ft trampoline to weather all seasons.

Grade 6 Intertek UV Testing
6
More durable than standard nets
250%
trampoline parts

World's first weld-free, bolt-free trampoline

Patented FrameFusion™ technology

Our 2024 model’s patented eco-friendly design has zero-bolts and no welds, meaning it takes half the assembly time of traditional trampolines.

FrameFusion™

T E C H N O L O G Y

fusion frame

Whatsmore, the way our engineers have designed the trampoline, means that less nasties are required in the manufacturing process, which makes our trampolines the most eco-friendly around, removing pollutants that can impact our trampoline builders and the environment.

5 Year Warranty

Play for life

Jumpflex® currently offers an awesome 5 year warranty on the FLEX™ frame, so years of carefree bouncing are guaranteed. We also have an excellent customer support team to assist you with any questions or concerns about your new 12 ft trampoline. So choose Jumpflex® and play for life!

jumpflex colourful balls

Dimensions / Specs

Image showing dimensions for the FLEX 12ft Trampoline
Yard space
4.1 m diameter at widest point. 1 m recommended free space around the trampoline.
Number of springs
70
Spring length
140 mm
Total weight rating
150 kg
Frame tube diameter
42 mm
Floor to mat height
88 cm
Trampoline height
2.7 m
Box dimensions
  • Box 1 - 25.7 kg
    L: 121 cm, W: 38 cm, H: 25 cm
  • Box 2 - 25.5 kg
    L: 118 cm, W: 32 cm, H: 18 cm
  • Box 3 - 23.4 kg
    L: 103 cm, W: 45 cm, H: 20 cm

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