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Stairlift Weight Capacity – How Much Weight Can a Stairlift Hold?

If you’re thinking about getting a stairlift, you might be wondering about the stairlift weight capacity; particularly if you’re heavier than average weight.

The good news is that modern stairlifts are built to be strong, safe and reliable. Many, too have higher-than-expected weight limits. At UK Stairlifts, we install a range of high-quality models from trusted brands like Stannah, ThyssenKrupp, Bruno and Platinum. Each one comes with its own maximum weight capacity.

In this guide, we’ll walk you through the typical limits for each model and help you understand which stairlift will be the best fit for your needs.

Stairlift Weight Capacity ⭐ Why Weight Capacity Matters

Weight capacity affects:

  • Safety – the stairlift must operate smoothly under the correct load

  • Longevity – using the right model prevents strain on the motor

  • Comfort – wider seats and reinforced rails offer better support

  • Suitability – some models are better for straight stairs, others for curved

Choosing the right weight rating ensures your stairlift is safe, dependable, and built to last.

Stairlift Weight Capacity – Popular Stairlift Models

Below are the typical weight capacities for the stairlifts we most commonly install at UK Stairlifts.

🔵 Stannah 260 (Curved Stairlift)

Weight capacity: 120kg (19 stone)

The Stannah 260 is designed specifically for curved staircases. It offers a solid weight rating, smooth ride, and reliable safety features. It is ideal for most users who need a robust curved stairlift.

Stannah 260 stairlift

🔵 Stannah 600 (Straight Stairlift)

Weight capacity:

  • Standard version: 120kg (19 stone)

  • HD (Heavy Duty) version: 160kg (25 stone)

The Stannah 600 is built for straight staircases and is well-known for its sturdiness and comfort. If you need additional support, the heavy-duty version offers one of the highest capacities available for straight rails.

stannah 600 stairlift

Stairlift Weight Capacity – ThyssenKrupp Flow X (Curved & Narrow Stairs)

Weight capacity: 125kg (19.5 stone)

The Flow X is one of the most advanced curved stairlifts in the world. Designed to handle narrow, steep, or awkward staircases, it also has a reassuringly strong weight limit for its size, thanks to its powerful motor and ASL (Advanced Swivel Technology). See also stairlifts for narrow stairs.

stairlift weight capacity

🔵 ThyssenKrupp Flow 2A

Weight capacity: 125kg (19.5 stone)

A trusted predecessor to the Flow X, the Flow 2A still offers excellent performance. It’s widely used in homes with very tight staircases, delivering reliability and strength where other stairlifts simply can’t fit.

stairlift weight capacity

🔵 Bruno Stairlifts (Straight & Curved Models)

Weight capacity:

  • Straight models: 136kg (21 stone)

  • Curved models: 136kg (21 stone)

  • Heavy-duty options: 190kg (30 stone)

Bruno is an American manufacturer known for high-strength engineering. Their stairlifts often provide higher weight limits than most UK brands, making them an excellent choice for users looking for extra support or stability.

stairlift weight capacity

🔵 Platinum Ultimate (Curved Stairlift)

Weight capacity:

  • Standard version: 120kg (19 stone)

  • HD version: 160kg (25 stone)

The heavy-duty version matches some of the highest capacity curved stairlifts on the market.

stairlift weight capacity

Which Stairlift Is Best for Higher Weight Limits?

If weight capacity is your main consideration, we generally recommend:

Top Picks for Higher Capacity

  • Bruno Heavy-Duty Models – up to 30 stone

  • Stannah 600 HD – up to 25 stone

  • Platinum Ultimate HD – up to 25 stone

For homes with curved staircases, the Platinum Ultimate HD and Bruno curved stairlift provide excellent strength without compromising on comfort or safety.

Do Heavier Users Need a Different Type of Stairlift?

This will depend on:

  • The shape of your staircase (straight/curved/narrow)

  • The rail type

  • The seat width needed

  • Whether the stairlift requires reinforced components

We carry out a free assessment to ensure your chosen stairlift is totally safe and suitable for your needs.

Other Considerations

If you have a very narrow or tight stairlift, you may need one which can cope with difficult turns and awkward doorways. We would usually recommend a Flow X or a Flow 2a for such a situation which has a weight limit of 19 stone.

If you are heavier than this, the Platinum Ultimate heavy weight would be our next go-to for a difficult or narrow staircase but which caters for the heavier user at 25 stone weight capacity.

📞 Need Help Choosing the Right Stairlift?

If you’re unsure which model is best for your staircase and weight requirements, our friendly team is here to help.

📞 Call us on 0800 046 3438
Or send us a message → https://ukstairlifts.com/contact/

We’ll recommend the safest, most comfortable, and most reliable option based on your home.

You can also view some o four installations on our YouTube channel here.

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