Stairlift costs in the UK cover more than the lift itself. The final price can also include the rail, fitting, electrical work, delivery, removal of an existing stairlift and ongoing aftercare, depending on the property and supplier.
A low initial price may not represent the lowest overall cost if essential work, servicing or suitable warranty cover is excluded. Check whether the quotation is fully installed, whether it covers the complete staircase and what support is available if the lift needs attention later.
A home assessment is the most reliable way to identify these costs before you commit. Ask for a written, itemised quotation based on your staircase and mobility requirements, then compare what is included rather than comparing headline prices alone.