Key Takeaways
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Retracting stair lifts solve accessibility challenges where traditional ramps or enclosed lifts cannot be used
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Bespoke engineering allows entrance stairs to remain visually unchanged when not in use
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Early modelling and authority engagement reduce planning and approval risk
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Safety systems, operational control, and regulatory compliance are designed in from the outset
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Each installation is site-specific rather than a standard product solution
Introduction
Architects and building managers are increasingly searching for ways to make entrance stairs wheelchair accessible without compromising architectural integrity. This challenge is particularly acute in listed buildings, heritage façades, and constrained urban sites where permanent alterations are restricted.
Retracting stair lifts provide a discreet, people-first accessibility solution by allowing the stairs themselves to temporarily transform into a lift platform. When not in use, the staircase functions exactly as intended, preserving the building’s character and everyday use.
This article explains how retracting stair lift systems work, when they are appropriate, and how Sesame Access engineers them for complex environments.
What problem do retracting stair lifts solve?
How do you make entrance stairs wheelchair accessible without ramps?
Many buildings face overlapping constraints:
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Insufficient space for compliant ramps
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Planning restrictions on permanent external alterations
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Structural elements beneath the staircase
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Heritage requirements to preserve original materials and proportions
Retracting stair lifts address these issues by embedding accessibility into the stair itself, rather than adding visible infrastructure around it.
Solutions such as the Westminster Equality Act Lift and the Seattle ADA Lift are engineered to remain hidden until required.
How do retracting stair lift systems work?
What is the difference between horizontally and vertically retracting stairs?
Horizontally retracting stair systems allow the treads to slide back beneath the upper landing. This creates space for a lift platform to rise through the stair void. This approach is often used where there are structural constraints behind the stairs.
Vertically retracting stair systems lift the entire stair assembly upward as a single unit. This can reduce the need for gates or visible barriers at the top landing and is often preferred where visual simplicity is critical.
Both approaches are bespoke and adapted to the site rather than selected as off-the-shelf products.
How do retracting stairs meet heritage building regulations?
Heritage and listed building entrances often require:
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No permanent loss of original stair fabric
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Reversible interventions where possible
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Minimal visual impact when the lift is not in use
Because retracting stair lifts spend the majority of their life as a staircase, authorities often view them more favourably than permanent ramps or enclosed lift structures.
Early engagement and clear visualisation are essential. Sesame Access supports this process through detailed modelling and structured technical preparation, as outlined in
https://www.sesameaccess.com/knowledge-hub/how-sesame-prepares-for-client-meetings
How are safety and user protection managed?
All retracting stair lift systems incorporate multiple layers of protection, including:
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Touch-sensitive safety edges on moving barriers
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Pressure-sensitive platform edges to prevent pinch hazards
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Controlled movement sequences that prioritise user safety
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Emergency stop and manual override provisions
These systems ensure safe operation for wheelchair users, pedestrians, and staff alike.
Who controls the lift and how is independence maintained?
Operational strategies vary depending on building use:
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Staff-assisted operation using call points
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Key-controlled or fob-controlled independent access
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Remote or supervised activation for public-facing entrances
The goal is always to balance dignity, independence, and risk management. These operational decisions are discussed early in the design process rather than treated as an afterthought.
How does Sesame deliver bespoke systems internationally?
Retracting stair lifts are frequently used on international projects where local codes, servicing expectations, and operational models differ.
Sesame Access works with trusted international lift partners to ensure systems are installed, commissioned, and maintained correctly, as described in
https://www.sesameaccess.com/about/articles/how-sesame-access-works-with-international-lift-partners-to-sell-sesame-lifts-internationally
This approach allows consistent design intent while respecting local regulations and long-term servicing needs.
Technical Specifications (Indicative)
The following values are indicative and vary by site:
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Typical platform capacity: 300–400 kg
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Clear platform size: tailored to wheelchair turning requirements
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Maximum travel: 3000 mm
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Power supply: single-phase or three-phase depending on configuration
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Operation: hydraulic or electromechanical depending on site constraints
Final specifications are confirmed during detailed design and authority consultation.
Product Integration Summary
| Scenario | Suitable Solution |
|---|---|
| Tight structural depth behind stairs | Westminster Equality Act Lift |
| Minimal visual impact required | Seattle ADA Lift |
| Heritage or listed entrances | Bespoke Lift |
| External public access stairs | Site-specific retracting stair system |
Frequently Asked Questions
What is the typical installation timeframe?
Installation time varies depending on structural preparation, but most retracting stair lift systems are installed once building works are complete and approvals are in place.
Do retracting stair lifts require planning permission?
This depends on the building and jurisdiction. Listed buildings and conservation areas often require consent, which is why early engagement is critical.
Are retracting stair lifts considered passenger lifts?
No. These systems are classified as platform lifts or machinery-based accessibility solutions rather than conventional passenger lifts.
Can existing stairs be reused?
In many cases, original stair materials can be retained or reinstalled, subject to structural and safety requirements.
How are these systems maintained long-term?
Maintenance is typically handled by trained local partners, with specialist support from Sesame Access when required.
Can retracting stair lifts be used externally?
Yes, provided drainage, weather protection, and material selection are engineered correctly.
Image and Diagram Alt Text Guidance
If diagrams or visuals are added to this page, recommended alt text includes:
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“Technical diagram of a horizontally retracting stair lift platform”
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“Sectional drawing showing vertically retracting stairs in heritage entrance”
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“Bespoke retracting stair lift integrated into listed building entrance”
Call to Action
If you are exploring accessibility solutions for complex or listed building entrances, early technical discussion can significantly reduce risk and redesign.
Book a Teams Meeting with one of our Project Managers to discuss your project:
https://www.sesameaccess.com/book-a-meeting