Glossary · UK
What is Shared Ownership Staircasing?
The process by which a shared ownership leaseholder buys additional shares in their property from the housing association over time, increasing their equity stake and reducing the rent paid on the remaining share.
Full Definition
Shared ownership is a form of part-buy, part-rent home ownership in which a buyer purchases a share of a property -- typically between 10% and 75% under current scheme rules -- from a housing association, pays a mortgage on that share, and pays subsidised rent (usually around 2.75% per year) on the remaining share owned by the housing association. Staircasing is the mechanism that allows the leaseholder to buy further shares in the property over time, increasing their ownership percentage and correspondingly reducing the rent charged on the association's remaining share. Each staircasing transaction requires an up-to-date valuation of the property, usually carried out by a RICS surveyor and paid for by the leaseholder, since the price of the additional share is based on the current market value rather than the original purchase price. On new-build shared ownership leases granted under the reformed model introduced in 2021, leaseholders can staircase in smaller increments of as little as 1% per year (subject to a minimum 5% purchase) rather than the traditional minimum 10% tranche, making it more affordable to increase ownership gradually. Some leases allow staircasing to 100% ownership, at which point the leaseholder typically acquires the freehold (for houses) or an extended lease (for flats) and stops paying rent to the association; other leases, particularly in certain rural or designated protected areas, cap ownership below 100%. Stamp Duty Land Tax on shared ownership purchases can be paid either as a single lump sum based on the full market value at the outset (electing to pay SDLT on 100% upfront, which then exempts future staircasing transactions from further SDLT) or in stages as each additional share is bought, with SDLT becoming payable once cumulative staircasing purchases push total consideration paid past the relevant threshold. Buyers should factor staircasing costs -- valuation fees, legal fees, and potential SDLT -- into the long-term affordability of shared ownership.