Shared Ownership Mortgages

Buying a Share of Your Home? Expert Mortgage Advice

Shared ownership can get you onto the property ladder years sooner than saving for a full deposit. You buy a share of the property, pay rent on the remaining share to the housing association and increase your ownership over time. We help you find a shared ownership mortgage with a lender that works with your housing association, and we explain every cost before you commit.

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What Is a Shared Ownership Mortgage?

A shared ownership mortgage is a residential mortgage for the share of the property you are buying. Under the shared ownership scheme you typically buy between 10% and 75% of a home from a housing association or local authority, and you pay rent on the share you do not own. Your mortgage only covers your ownership share, so the loan and the deposit are much smaller than if you bought the whole property outright.

The scheme is a government scheme aimed at first time buyers and people who cannot afford to buy on the open market. Most shared ownership homes are new build properties, although pre owned properties (resales) come up too. Every shared ownership property is sold on a shared ownership lease, which sets out your rent, service charge and how you can buy more shares.

How Do Shared Ownership Mortgages Work?

Say a flat has a full market value of £250,000 and you buy a 40% share. Your ownership share is worth £100,000. With a 5% deposit of £5,000, you would borrow £95,000 on a shared ownership mortgage, then pay rent to the housing association on the remaining 60%. Your monthly costs are your mortgage payment, the rental payment and any service charge.

Lenders look at all three when they assess affordability, so the amount you can borrow is not just a multiple of your household income. Not all lenders offer shared ownership mortgages, and many lenders only lend where the housing association has approved them. That is why speaking to a mortgage broker early saves a lot of wasted applications.

Over time you can buy a bigger share through a process called staircasing, which lowers your rent. Many people staircase to 100% and end up owning the whole property.

How Much Deposit Do You Need for Shared Ownership?

Because you only borrow against your share, the deposit is based on the share price, not the full value of the home. Most lenders ask for at least 5% of the share you are buying, and some housing associations ask for 10%.

A smaller deposit is the main reason shared ownership appeals to first time buyers, but a lower deposit can mean fewer lenders and higher rates. As a general guide:

Young couple holding the keys to their shared ownership home outside a new build house
  • 5% of your share: the usual minimum, accepted by a number of high street lenders
  • 10% of your share: opens up more mortgage options and better fixed rate deals
  • Savings for costs: legal fees, a valuation and the housing association's own fees on top

We will work out exactly how much deposit you need for the share you want, and show you how a bigger share or a bigger deposit changes your monthly costs.

How Much Can You Borrow?

With shared ownership, lenders add your rent and service charge to your outgoings before they decide how much you can borrow. Two buyers on the same household income can be offered very different amounts depending on the share they buy and the rent they pay.

We run the numbers with lenders that offer shared ownership mortgages and show you the share you can realistically afford, so you apply with confidence.

Who Is Eligible for Shared Ownership?

In England you can usually apply if your household income is £80,000 or less (£90,000 or less in London) and you cannot afford to buy a suitable home on the open market. You do not have to be a first time buyer in every case, but you cannot own another property when you complete.

Housing associations run their own affordability checks too, and some give priority to local people, key workers or members of the armed forces.

What Is Staircasing?

Staircasing means buying more shares in your home. Each time you staircase, the price is based on the current market value, so a rise in value makes each new share more expensive. You will need a valuation from a RICS surveyor and you may pay legal fees.

Most people remortgage or borrow more from their existing lender to fund staircasing. We arrange shared ownership remortgages for this, including the final step to owning the home outright.

Eligibility: What Do Lenders Look At?

Lenders that offer shared ownership mortgages look at the same core things as any other mortgage, plus the details of your lease.

Income and Affordability: your income, the rent, the service charge and your other commitments.

Credit History: a clean record gives you the widest choice. Credit issues do not always rule you out, but the options are narrower. If you have adverse credit, you could be referred to our sister company, Alexander Southwell Mortgages, as this may fall under the specialist category.

The Lease: lenders check the lease length, the rent review terms and that the housing association is on their approved list.

Your Share: some lenders have a minimum share, so a very small share can limit your choice.

With shared ownership, lenders add your rent and service charge to your outgoings before they decide how much you can borrow. Two buyers on the same household income can be offered very different amounts depending on the share they buy and the rent they pay.

We run the numbers with lenders that offer shared ownership mortgages and show you the share you can realistically afford, so you apply with confidence.

In England you can usually apply if your household income is £80,000 or less (£90,000 or less in London) and you cannot afford to buy a suitable home on the open market. You do not have to be a first time buyer in every case, but you cannot own another property when you complete.

Housing associations run their own affordability checks too, and some give priority to local people, key workers or members of the armed forces.

Staircasing means buying more shares in your home. Each time you staircase, the price is based on the current market value, so a rise in value makes each new share more expensive. You will need a valuation from a RICS surveyor and you may pay legal fees.

Most people remortgage or borrow more from their existing lender to fund staircasing. We arrange shared ownership remortgages for this, including the final step to owning the home outright.

Lenders that offer shared ownership mortgages look at the same core things as any other mortgage, plus the details of your lease.

Income and Affordability: your income, the rent, the service charge and your other commitments.

Credit History: a clean record gives you the widest choice. Credit issues do not always rule you out, but the options are narrower. If you have adverse credit, you could be referred to our sister company, Alexander Southwell Mortgages, as this may fall under the specialist category.

The Lease: lenders check the lease length, the rent review terms and that the housing association is on their approved list.

Your Share: some lenders have a minimum share, so a very small share can limit your choice.

The Shared Ownership Mortgage Process: Step by Step

01

Initial Conversation

We talk through your income, savings and the homes you are looking at, and check you are eligible for the shared ownership scheme.

02

Decision in Principle

We get a decision in principle from a lender that accepts your housing association, so you can show you are a serious buyer.

03

Housing Association Approval

The housing association runs its own affordability assessment and confirms the share you can buy and the rent you will pay.

04

Full Mortgage Application

We submit your mortgage application with your payslips, bank statements and the property details, and keep it moving.

05

Valuation and Legal Work

The lender values the property and your solicitor checks the shared ownership lease and the rent terms.

06

Mortgage Offer

Once the lender is happy you receive your mortgage offer and your solicitor works towards exchange.

07

Completion and Keys

You pay your deposit, the mortgage completes and you get the keys to your shared ownership home.

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What Are the Costs of Shared Ownership?

‍Rent: paid on the share you do not own. On many newer leases it starts at up to 3% of the value of that share each year and rises every year.

Service Charge: shared ownership homes are leasehold, so you usually pay a service charge and ground rent where it applies.

Stamp Duty: you can usually choose to pay stamp duty on your share now or on the full market value, and first time buyer relief may apply.

Legal and Valuation Fees: you will need a solicitor who understands shared ownership, and some lenders charge for a valuation.

Our Advice: fee free. We are paid by the lender when your mortgage completes.

Can I Get a Shared Ownership Mortgage With Bad Credit?

Sometimes. It depends on what is on your credit file, how recent it is and which lenders the housing association works with. Missed payments from a few years ago are far easier to place than recent defaults or a CCJ.

If you have adverse credit, you could be referred to our sister company, Alexander Southwell Mortgages, as this may fall under the specialist category.

Why Choose Fee Free Mortgage Broker for Shared Ownership?

‍No broker fees. Our advice is free to you because the lender pays us when your mortgage completes.

We know the lender lists. We check which lenders accept your housing association before we apply, so you do not waste a credit search.

Experience you can lean on. Our team has over 20 years of combined experience, and our founder Jamie Alexander has 15 years in mortgages, including four years as a specialist new build broker working with government schemes.

Help after you move in. When you want to staircase or remortgage, we are here for that too.

Shared ownership questions

Shared Ownership Mortgage FAQs

These are the questions first time buyers ask us most about shared ownership homes and the mortgages behind them.

Is shared ownership the same as shared equity?

No. With shared ownership you own a share and rent the rest. With a shared equity scheme, like the old Help to Buy equity loan, you own the whole property and part of the price is covered by a loan, with no rent to pay.

Can I remortgage a shared ownership home?

Yes. You can remortgage when your fixed rate ends, and you can remortgage to buy more shares. The new lender must accept the housing association, just like on your first purchase.

Can I sell a shared ownership property?

Yes. The housing association usually gets the first chance to find a buyer for your share, and after that you can sell on the open market. If you have staircased to 100% you can sell like any other home.

Do I pay rent once I own 100%?

No. Once you staircase to 100% the rent stops. If the home is a flat you will still pay a service charge.

Can I use a shared ownership mortgage calculator?

A calculator gives you a rough idea, but lenders treat rent and service charges differently. We can work out the real figures for the share you want in one call.

Can I make home improvements?

You can usually make home improvements, but you may need permission from the housing association first, so check your lease before you start.

Related guides: first time buyer mortgages · new build mortgages · stamp duty calculator

Your home may be repossessed if you do not keep up repayments on your mortgage. Fee Free Mortgage Broker is a trading style of Alexander Southwell Mortgage Services Ltd, authorised and regulated by the Financial Conduct Authority, firm reference 1011890.

Written by Jamie Alexander CeMAP, mortgage adviser with 15 years' experience. Last reviewed October 2026.

Speak to a Shared Ownership Mortgage Adviser Today

Whether you are buying your first share or staircasing to 100%, our mortgage advisers will find the right shared ownership mortgage and explain every step, with no broker fees to pay.

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