For many people in the UK, the dream of owning a home feels increasingly out of reach. Rising house prices, higher interest rates, and the cost-of-living squeeze have pushed buyers to explore alternative routes onto the property ladder. Two of the most common paths are Shared Ownership and 100% Ownership, but the differences between them aren’t always clear.
If you’re weighing up your options, this guide breaks down the pros, cons, costs, and long‑term considerations of each approach so you can make a confident, informed decision.
What Is Shared Ownership?
Shared Ownership is a government‑supported scheme that allows you to buy a percentage of a property, usually between 10% and 75%, and pay subsidised rent on the remaining share. Over time, you can buy more of the property through a process called staircasing, eventually owning 100% if you choose. It’s designed to help people who can afford monthly payments but struggle to save a large deposit.
What Is 100% Ownership?
This is the traditional route: you buy the entire property outright with a mortgage or cash. You’re responsible for all costs, but you also benefit from full control, full equity growth, and no rent payments.
The Pros of Shared Ownership
- Lower Deposit Requirements: Because you’re only buying a portion of the property, your deposit is based on the share you purchase not the full market value. For example, a 5% deposit on a 25% share of a £250,000 home is far more achievable than 5% of the full price.
- Lower Initial Monthly Costs: Your mortgage is smaller, and the rent you pay on the remaining share is subsidised. For many buyers, Shared Ownership offers a more affordable monthly payment than renting privately.
- A Way Into Areas You Couldn’t Otherwise Afford: Shared Ownership can open doors to locations where full ownership would be out of reach, especially in cities or high‑demand regions.
- The Option to Staircase Over Time: As your income grows or circumstances change, you can buy more of the property. This flexibility appeals to buyers who want to build equity gradually.
The Cons of Shared Ownership
- You Still Pay Rent: Even though the rent is subsidised, it’s still an ongoing cost and it can increase annually. This means your monthly outgoings may rise over time.
- You Pay 100% of Service Charges: This is a big one many buyers don’t realise. Even if you only own 25% of the property, you’re responsible for 100% of service charges, maintenance fees, and ground rent (if applicable). In new-build flats, these costs can be significant.
- Selling Can Be More Complicated: Shared Ownership properties often come with resale restrictions. Housing associations usually have the right to find a buyer first, which can slow down the process.
- Staircasing Can Be Expensive: Each time you staircase, you’ll pay valuation fees, legal fees, mortgage fees and potential admin charges. These costs add up, making it harder to reach full ownership than many expect.
- Limited Choice of Lenders: Not all mortgage lenders offer Shared Ownership products, which can reduce your options and sometimes increase costs.
The Pros of 100% Ownership
- Full Control of Your Home: You decide what to do with the property, from renovations to renting it out. There are no restrictions from housing associations.
- No Rent Payments: Your monthly payments go entirely towards your mortgage (and equity), not a landlord or housing association.
- Simpler to Sell: You can sell on the open market at any time, with no restrictions or first refusal clauses.
- Full Benefit From Property Value Growth: If your home increases in value, you benefit from 100% of that growth not just your share.
- More Mortgage Options: You can choose from a wider range of lenders, products, and interest rates, giving you more flexibility and potentially better deals.
The Downsides of 100% Ownership
- Higher Deposit Requirements: Saving a deposit for the full value of a property can be challenging, especially for first‑time buyers.
- Higher Monthly Mortgage Payments: Because you’re borrowing more, your monthly payments will be higher than Shared Ownership, at least initially.
- You’re Responsible for All Costs: Maintenance, repairs, service charges, insurance, everything falls on you. There’s no shared responsibility.
- Harder to Buy in High‑Demand Areas: In cities like London, Manchester, or Bristol, full ownership may be out of reach for many buyers without significant savings or income.
How Is the Equity Split If You Decide to Sell?
When you sell a Shared Ownership property, the increase in value is divided according to the percentage you own not the amount you originally paid. So, if you own 40% of the home and its market value has risen since you bought it, you’ll receive 40% of the new valuation, while the housing association receives the remaining 60%. This can feel counter‑intuitive at first, especially if you’ve paid 100% of the service charges and maintenance along the way, but the scheme is structured so each party benefits proportionally from any growth in the property’s value. It’s also worth noting that the sale price is based on an independent valuation, not the open market, which helps keep the process fair and consistent for everyone involved.
Cost Comparison: Which Is Cheaper?
There’s no one‑size‑fits‑all answer. It depends on the property, location, and your financial situation. But here’s a general rule of thumb:
- Shared Ownership is usually cheaper upfront: Lower deposit + smaller mortgage = easier entry.
- 100% Ownership is usually cheaper long‑term: No rent + full equity growth = better value over time.
Shared Ownership and 100% Ownership both offer valid, valuable routes into homeownership, but they serve different needs. Shared Ownership can be a lifeline for buyers who feel locked out of the market, while full ownership offers long‑term stability and financial freedom.
The key is understanding the true costs, restrictions, and benefits of each option so you can choose the path that aligns with your goals, budget, and lifestyle. If you’re unsure which route is right for you, speaking to a mortgage broker or financial adviser can help you map out your options clearly and confidently.
At 3mc, we have a team of expert advisers who can discuss all your mortgage requirements. If you would like to discuss your options, give the 3mc team a call on 0161 962 7800.
All calls are recorded for training and monitoring purposes. 3mc for intermediaries only.
*Your home may be repossessed if you do not keep up repayments on your mortgage. 3mc (UK) Ltd is authorised and regulated by the Financial Conduct Authority and is entered on the Financial Services Register https://register.fca.org.uk/s/ under reference 302992. Please note: The FCA do not regulate Business Buy to Let Mortgages.