Stairlift types
Curved Stairlifts: Custom Bespoke Rail Solutions & UK Costs
If your staircase turns a corner, has winder steps or a landing part-way up, you need a curved stairlift. Each rail is made to measure for your stairs, so curved models cost more — typically £3,500 to £8,000 or more — and usually take a few weeks from survey to fitting.
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Staircase shapes that need a curved rail
| Layout | Description | What it means for the rail |
|---|---|---|
| Quarter landing (90°) | Stairs turn one corner via a flat landing or winders | One bend; the most common curved install |
| Half landing (180°) | Stairs double back on themselves | A tight U-turn bend; check landing space |
| Double winder | Two separate turns in one flight | Two bends; more rail sections |
| Spiral / helical | Stairs turn continuously | Highly bespoke; fewer models suit |
| Inside vs outside curve | Rail can run on the inner or outer side of the turn | Inside is shorter and cheaper; outside is gentler |
A rail can also extend beyond the top step onto the landing (an "overrun") so the user can get off away from the stairs, or curve round at the bottom (a "park bend") to keep the seat clear of a doorway.
How curved rails are measured and made
Because every curved staircase is different, the rail is manufactured for your home. Most UK installers now use digital photogrammetry: the surveyor places small markers on the stairs and takes a set of photographs, from which software builds an accurate 3D model. Older methods used manual measurements and templates.
The rail is then bent or assembled from pre-formed sections to match. Lead times commonly range from about two to six weeks, depending on the manufacturer.
Single rail vs twin rail
Curved stairlifts use one of two broad rail designs. Neither is better for everyone; they suit different staircases and personal preference.
| Single (mono) rail | Twin rail | |
|---|---|---|
| Look | One slim tube; often less visible | Two parallel tubes |
| Tight bends | Can hug the inside of tight turns | Good stability through steep sections |
| Space taken | Often slimmer | Can sit close to the wall |
| Examples | Several major makes | Several major makes |
See our brand comparison for an overview of the rail systems different manufacturers use.
Curved stairlift costs
Price depends mainly on rail length and the number of bends. As a broad guide, a single-bend rail on a standard staircase is at the lower end of the range, while long rails, double bends and landing overruns push towards £6,000–£8,000 or more.
- Reconditioned curved stairlifts exist, but only the carriage and seat are reused — a new rail must still be made, so savings are smaller than for straight models.
- VAT: eligible users can buy VAT-free. See VAT relief on stairlifts.
- Grants: the Disabled Facilities Grant can contribute towards a curved stairlift where the council agrees it is needed.
For a fuller breakdown see the stairlift cost guide.
Common questions
Can a curved stairlift be moved to a new house?
Usually not. The rail is made for one staircase. The carriage may be reusable by the installer, but you would normally need a new rail.
Is two straight stairlifts cheaper than one curved one?
Sometimes, where two straight flights meet at a large landing. It requires the user to transfer between seats safely, which the surveyor should assess.
Ready to take the next step?
Our buying guide walks you through choosing a stairlift, checking funding, comparing installers and avoiding pressure selling.