In the UK What is the Minimum Width for a Stair Lift?

The answer to the question regarding the minimum width for a stairlift can vary depending on several factors, including the type of stair lift, the layout of your stairs, and the individual needs of the user. In this article, we’ll explore the key considerations and offer practical guidance to help you understand if your staircase is suitable.

Standard Minimum Staircase Width

In general, the minimum width required for a stair lift is around 71cm (28 inches). This allows enough space for the rail to be securely mounted and for the seat to travel safely up and down the staircase. However, this is a general guide, and the actual requirement may be slightly more or less depending on the stair lift model and features.

Find out what is the standard minimum staircase width

Many Customers have poor posture and a lack of core control when seated, this could lead to slouching or leaning. This can place a customer’s knees closer to the wall or handrail. The recommended space from the end users knee to any obstacle is 50mm but it’s possible to safely decease this by 10-15mm.

Some modern stair lifts are specifically designed to suit narrow staircases and can operate on stairs as narrow as 66cm (26 inches), using slimline rails and compact seat designs. In particularly tight spaces, a perch or standing stair lift can be a viable option, as it requires less space than a seated model.

Measuring a curved stairlift

Straight vs. Curved Staircases

The shape of your staircase plays an important role.

• Straight staircases are typically easier and cheaper to fit with a straight stair lift. The track is straightforward, and there’s often more room to accommodate a wider range of models.
• Curved staircases require custom-built rails to follow the curve or turn of the stairs. These curved stair lifts often need a slightly wider staircase and more detailed planning.
• Turn & Go -off set seat: With curved stairs there is an option to travel up and down the stairs at an off-set angle of 45 degrees but this option is only available on certain models like Handicare freecurve. Devi Up. Platinum Ergo Ultimate.

If your staircase includes a landing, quarter turn or spiral section, a survey will be essential to determine the best possible solution.

Other Stair Lift Considerations

Wall Clearance and Obstructions

It’s not just the width of the stairs that matters – obstructions like handrails, radiators, window sills or low ceilings can also impact installation. These will be assessed during your home survey to ensure the stair lift can operate safely and comfortably.

User Comfort and Safety

Wider staircases naturally offer more room for manoeuvrability and seating comfort, especially for users who need extra support. If space is limited, compact or fold-away models can help maximise usable space when the stair lift is not in use.

Tailored Stair Lift Solutions from Newbury Mobility Ltd

At Newbury Mobility Ltd, we understand that no two homes are the same, or indeed no two customers have the same needs. That’s why we offer free home assessments to accurately measure your staircase and the end-user, then recommend the most suitable stair lift for your situation. Whether you have a compact cottage staircase or a sweeping curved design, we’ll work with you to find a safe and stylish solution.

We also stock a wide range of models, including slimline, perch, and custom curved stair lifts, ensuring there’s something to suit virtually any space.

Need Stairlift Advice?

If you’re unsure whether your staircase is wide enough, don’t hesitate to get in touch with our friendly team. With decades of experience in stair lift installation across Berkshire and beyond, we’re here to help you stay safe and independent at home.

Call us on 01635 905478 – Newbury Mobility Ltd, “Close Enough to Care”.

Posted on 17th June 2025 in Stair Lifts, Stairlifts, Tips by Lee Bullen Leave a comment