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BERG Grand Champion Inground with & without net

BERG Grand Champion Inground with & without net

(8 products)
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BERG Grand Champion InGround range offers the perfect balance of control, power and garden-friendly design.
When BERG use the name “Grand”, it means oval - giving jumpers the long, fast bounce of a rectangular trampoline with the softer landing zones of a round model. It’s the ideal shape for families who want great performance across the whole mat.

These InGround versions sit low and neatly into the lawn, reducing visual impact while keeping the frame strong and stable. Choose between models with a Safety Net Deluxe for enclosed family play, or Sport versions (no net) for open jumping, trick practice and training.

All Grand Champion InGround trampolines use TwinSpring Gold springs and the AirFlow Pro mat, letting up to 150% more air pass through for higher, smoother and more comfortable jumping. The extra-wide pads and heavy-duty frame offer long-term durability for year-round outdoor use.

Key Features

  • Oval “Grand” shape - long, fast bounce with excellent control
  • InGround design - sits low in the garden for a tidy, discreet look
  • Available with Safety Net Deluxe or as Sport (no net) models
  • TwinSpring Gold springs for smoother, more powerful bouncing
  • AirFlow Pro mat for up to 150% better airflow
  • Extra-wide UV-protected pads for long-term protection
  • Strong, powder-coated steel frame for outstanding durability
  • A great choice for families and teens wanting performance + stability

Frequently Asked Questions

What is the difference between Grand Champion and Grand Favorit?

The Champion is the higher-spec model and offers:

  • TwinSpring Gold springs (Favorit uses SoloSprings)
  • AirFlow Pro mat with up to 150% more airflow
  • Wider, stronger pads
  • A heavier, more stable frame

The result is higher, smoother jumps, longer lifespan, and better performance for regular or older jumpers.

Which Trampoline Shape Is Best?

Round

  • Best for younger children and shared family play
  • Creates a natural central bounce point
  • A great all-round choice for most gardens

Oval (Grand)

  • Offers a longer jumping area
  • Ideal for siblings or multiple users at the same time
  • Encourages movement, balance and coordination

Rectangle (Ultim)

  • Provides a more controlled and defined jumping space
  • Well suited to older children, teenagers and skill development
  • Fits neatly into corners or narrower garden layouts

Can I only buy BERG Trampoline Online?

Visit our display or order online

You can see and try the Favorit range at our
Wicken Toys outdoor display site, Wicken, Milton Keynes.

Prefer to order online?
We offer fast UK delivery and in-house installation (no subcontractors).

Does water build up underneath sunken trampolines?

Most in-ground trampolines have built-in drainage holes in the pads to allow water to escape. However, soil type and weather conditions can affect drainage. For high water tables or clay soil, a soak-away with gravel or a permeable membrane may be needed to prevent water pooling.

Does sinking a trampoline into the ground affect bounce quality?

No. In-ground trampolines are designed to direct airflow so the mat isn't compressed by trapped air. Vented pads allow air to escape, reducing 'pad slap' noise and maintaining bounce quality. The frame is more stable, which can improve overall bounce compared to above-ground trampolines.

Which trampoline shape is the best?

Round trampolines offer even spring tension and central bounce, suitable for most domestic gardens. Rectangular trampolines provide more bounce for serious users, but multiple jumpers are not recommended. Square trampolines fit neatly into certain spaces, and oval trampolines offer multiple bounce areas and fit narrow yards. All shapes require a surrounding safety zone.

Is an in-ground trampoline worth it?

It depends on usage. If your children use it frequently, a robust in-ground trampoline can provide many years of fun. With proper maintenance, it can last 5–8 years or more. Teach kids to bounce responsibly, check and tighten screws, and use anti-rust spray on springs. Weatherproofing with a trampoline cover is recommended.

Monitor growth; replace with a larger model if performance decreases or the mat wears out.

How do I install an in-ground trampoline myself?

If you prefer a DIY approach, you'll need shovels or spades and at least one helper. For a flat-ground trampoline, dig a hole slightly wider than the trampoline and deep enough for the frame. 

In-ground trampolines actually need a hole smaller than the trampoline frame, as the trampoline frame will sit around the outside of the hole on top of the ground. You should dig a bowl-shaped hole, as per the trampoline manual.

Level the bottom and assemble the frame according to the product manual. Fit the structure into the hole, ensure it is level and secure, and fill any gaps with soil.

Attach any safety nets, if required, and allow at least 2 metres of clear space around the trampoline with shock-absorbing ground material like grass, sand, or bark chips.

Are in-ground trampolines safer than above-ground?

Safety is paramount when it comes to outdoor play equipment for children. Above-ground trampolines have an additional risk of falling due to their raised structure. Sunken trampolines are generally seen as safer, as a fall from a few inches above ground is less likely to cause serious injury.

With an in-ground trampoline, kids can walk directly onto or off the trampoline, avoiding falls while climbing on and off. However, always supervise children, keep the trampoline dry, and consider a safety net enclosure for added protection.

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