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Guide
Straight vs Curved Stairlifts
Which one you need is decided by your staircase, not your budget — and it is the single biggest factor in what you will pay.
How to Tell Which You Need
If your staircase runs in one straight line from bottom to top with no bends, turns or half-landings, you need a straight stairlift.
If it turns a corner, has a half-landing, curves, or changes direction at any point, you need a curved stairlift. Even a single small turn at the top usually requires a curved rail.
A survey will confirm it. Be wary of any quote given without someone seeing the staircase.
The Cost Difference
A straight rail is cut to length from stock. A curved rail is manufactured specifically for your staircase, measured bend by bend. That bespoke engineering is why curved lifts cost substantially more.
It also affects lead time: straight lifts are often fitted within days, while curved lifts typically take weeks because the rail has to be made first.
The Compromise to Watch For
Occasionally a supplier will propose a straight lift that stops at the half-landing on a staircase that really needs a curved rail. It is cheaper, but it leaves the user managing the remaining steps unaided — often the very steps causing the difficulty.
If that is suggested, ask directly what it would cost to run the full staircase, and compare that against other suppliers before deciding.
FAQs
Frequently Asked Questions
No. A turn requires a curved rail built to that shape.
Usually not. Slimline models exist for narrow staircases; a survey will confirm clearance.
No. The mechanism is much the same; only the rail differs.
Rarely. The rail was built for one specific staircase, so it has little value elsewhere.