If you're on a low income or struggling to save a large enough deposit to buy a home, shared ownership could be a great option. A broker can help you understand your options and decide whether this is the right path for you.

How do shared ownership mortgages work?
With shared ownership, you’ll still need a mortgage and a deposit, but only for the share of the home you’re buying. That makes it more affordable than buying outright. Your deposit is usually at least 5% of your share, not the full property price.
You’ll normally start by buying between 25% and 75% of the home, although in some cases you can begin with as little as 10%.
For example, if a property costs £200,000 and you buy a 50% share (£100,000):
- You’d need a deposit of at least £5,000 (5% of your share)
- You’d take out a mortgage for the rest – £95,000 in this case
The housing association owns the other half, so you’ll pay them rent on that share. Rent is usually capped at around 3% of the unsold portion each year, and you may also need to cover service charges for things like communal areas or building maintenance.
Your mortgage works like any other, typically repaid over 25 - 30 years. At the end of the term, you’ll own the same share you started with. But the scheme is flexible: over time, you can buy more shares in your home when you can afford to, a process called staircasing. In many cases, you can eventually buy the property outright and stop paying rent altogether.
What are the advantages and disadvantages of shared ownership?
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You don't need to borrow as much, so the deposit and affordability criteria are easier to meet
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It's often cheaper than private rental - even though you’re paying rent and a mortgage
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You can usually buy the full property in stages when you can afford to
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If the value of your home increases, the value of your share increases too
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Not all lenders offer a mortgage for this scheme, so there are fewer options than buying a home the traditional way
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You can’t buy any property you want and are bound to those available in the scheme
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Properties are leasehold, and usually include service charges as well as rent
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Not all housing associations allow you to buy 100% of the property - always check the terms
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You may need to offer the property back to the housing association first if you want to sell. This can slow down the home-selling process
What our expert says
Mojo's customer says:
Shared-ownership mortgages FAQ
Can I buy a bigger share of my home at a later date?
Yes, usually you can buy as much as you want to - up to 100%. This is known as staircasing and you can increase ownership by as little as 1% at a time.
Some lenders limit the amount you can buy, for example, the over 55’s shared ownership scheme only allows you to buy 75% of the property. Always make sure you understand any ownership limits before you select a home.
Can I get a shared ownership remortgage?
Yes, but only from those lenders that also offer shared ownership mortgages - not all lenders offer remortgages to shared ownership scheme customers.
Can I make home improvements on a shared ownership mortgage?
Yes, you can, but there may be limits to what you can do - which vary from one housing association to the next.
Most allow redecoration and minor changes like a new bathroom suite. If you want to add to or change the property’s structure, you’ll need permission from your housing association.
What happens if the value of my house changes?
If you want to buy more shares in your home and the value has gone up, you’ll need to buy them at the higher cost. Likewise, if the property value falls, it could be a good time to buy a bigger share in your home more cheaply.
Can I sell my shared ownership home?
Yes, but most housing associations have a clause that offers them first refusal. This means you can’t advertise on the open market until they’ve had an opportunity to buy it back.
If you don’t yet own 100% of the property, you can only sell it via the housing association. Also you’ll only be entitled to profit that matches the percentage of your ownership.
So if you own 50% and the sale brings in a profit of £20,000, only £10,000 of that is yours. The other 50% belongs to the housing association.
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Page last reviewed: 19 September 2025
Reviewed by: Yousif Khaleel
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