What Is Shared Ownership?
Shared ownership lets you buy a share of a property — typically between 25% and 75% — and pay rent to a housing association on the remaining share. You can usually increase your share over time in a process called staircasing, eventually owning 100%.
The appeal: you only need a mortgage (and deposit) on your share, not the full property price. On a £300,000 property, buying a 50% share means your mortgage is on £150,000 — potentially much more achievable.
The Genuine Benefits
- Lower deposit required — you only need 5–10% of your share, not the full property
- Get onto the property ladder sooner — useful in expensive areas where full ownership is unaffordable
- Benefit from property price growth — on the share you own
- Can staircase to full ownership — over time, buy more shares as your finances improve
The Hidden Costs — What Brochures Don't Tell You
Rent that increases annually
The rent you pay to the housing association on their share typically increases every year — usually by RPI (Retail Price Index) plus 0.5%. In a high-inflation environment this can increase your monthly costs significantly year-on-year.
Service charges
As a leasehold property (most shared ownership is leasehold), you'll pay a service charge for building maintenance. These can range from £100 to £500+ per month depending on the building — and they can increase unpredictably.
Staircasing costs
Every time you buy an additional share (staircase), you pay: a new valuation, legal fees, and potentially stamp duty. These costs are borne entirely by you — they're not covered by the housing association.
Selling restrictions
When you sell, the housing association typically has a nomination period — often 8 weeks — where they can find a buyer themselves. You can't freely sell on the open market until this period expires. This can slow down a sale significantly.
The "80% ownership" trap
On many shared ownership schemes, once you own below 80%, you're subject to the housing association's rules on alterations, subletting, and pets. Some buyers find this more restrictive than renting.
Is Shared Ownership Right for You?
Shared ownership tends to work well if:
- You live in an expensive area where full ownership is out of reach for now
- You have a stable job and income likely to grow over time
- You plan to staircase to full ownership within 5–10 years
- You understand and have budgeted for the full monthly costs including rent and service charge
Shared ownership tends to be less suitable if:
- You could stretch to full ownership with a small amount more saving
- You want flexibility to move in 2–3 years
- The service charge is high — making monthly costs comparable to full ownership
- You want to make significant alterations to the property
Our Honest Verdict
Shared ownership is a legitimate route onto the property ladder for people in expensive areas who genuinely cannot afford full ownership. It is not, however, the straightforward "best of both worlds" it is sometimes marketed as.
Before proceeding, always: get a full breakdown of all monthly costs (mortgage + rent + service charge + ground rent), understand the staircasing process and costs, read the lease carefully, and speak to a mortgage broker who has experience with shared ownership transactions.