Understanding Co-Ownership

What is Co-Ownership?

We help you buy the home that’s right for you by sharing the cost. You buy the part you can afford, and we buy the rest.

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Buying a home in Northern Ireland can feel challenging, especially if the full purchase price or deposit is out of reach. Co-Ownership offers an affordable home ownership solution through shared ownership, helping you move into a home sooner without needing to buy it all at once.

With Co-Ownership, you purchase the share of the property you can afford. We purchase the remainder. You pay a mortgage on your share and a low rent on ours. This reduces the upfront cost of buying and keeps monthly payments manageable.

Over time, if your circumstances change, you can increase your share, even up to full ownership if that’s your goal. There’s no pressure and no fixed timeline. You move at a pace that works for you.

Who we are

Co-Ownership is Northern Ireland’s shared ownership provider and a not-for-profit organisation regulated and part-funded by the Department for Communities. Since 1978, we’ve helped more than 35,000 households across Northern Ireland step onto the housing ladder.

As a not-for-profit organisation, our focus is simple: making home ownership more achievable. Every pound we receive is reinvested to help more local people buy a home.

How shared ownership works

Shared ownership makes buying a home more affordable. You buy the share you can afford now, and pay a low rent to us on the share that we own. Here's how it works:

  1. You choose a property within your approved price range.

  2. You buy a percentage share that suits your budget (between 50% and 90%).

  3. Co-Ownership buys the remaining share.

  4. You pay a mortgage on your share and rent on ours.

  5. If you decide to buy more of your home in the future, you can do so in steps or buy us out completely.

Our products

Co‑Ownership offers two products, each designed for a different stage of life and a different way of financing your move. 

They work differently, but together they make home ownership possible for many people, and you can choose the option that best fits you based on your age, finances, and the kind of support you need.

For a full comparison and individual criteria, see Our products.

Whether you’re buying your first home, returning to the market or planning for later life, Co-Ownership can help you take the next step.

Weighing up your options

Here’s how Co-Own compares with the alternative of buying or renting.

Renting

Value £170,000
Mortgage £0
Deposit £943
Total Monthly Rent £943

Co-Own

For Sale £170,000
Mortgage on 50% share £85,000
Deposit £0
Total Monthly
Mortgage £566 + Rent £177
£743

Buying

For Sale £170,000
Mortgage £161,500
Deposit £8,500
Total Monthly Mortgage £1074

Figures are for illustration purposes only. Average rent in NI Q4 2025. The average Co-Ownership house price from April to December 2025 was £169,350.
Co-Own example is based on 7% interest rate, repayment mortgage over 30 years. Buying example is based on a 7% interest rate, repayment mortgage over 30 years, with a Loan-to-Value (LTV) of 95%.

Criteria and LTV rates may vary depending on the lender. We recommend that you seek independent financial advice before applying for a mortgage. The cost of buying your home will depend on your circumstances, property price and the mortgage product you choose.

"From beginning to end, my experience was outstanding. If I had questions, help was just a phone call away. They exceeded my expectations, and I'm grateful to Co-Ownership for turning my dream home into a reality."

Cassandra, January 2026
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