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Author: Carl Shave-Director
Updated on January 30th, 2024

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Shared Ownership Mortgage Calculator

Over time, the Shared Ownership scheme has enabled many individuals to purchase a property when they might not have been able to otherwise. With the conclusion of the Help to Buy Shared Equity scheme, Shared Ownership has continued to grow in popularity.

Our Shared Ownership calculator will assist you in checking the level of borrowing you could obtain, helping you understand your mortgage affordability for a Shared Ownership application.

Fill out our quick and easy Mortgage Affordability calculator below. We only require a few details to see how much you may be able to borrow.


How does a Shared Ownership mortgage calculator work?

In terms of how they work, there is no real differences between a Shared Ownership mortgage affordability calculator and a mortgage affordability calculator. There is a difference when you are filling them out though. With the Shared Ownership calculator, you will need to include the monthly rent payable, as you will have to pay rent on the share you do not own.

Including rent is an often-forgotten element when people are assessing their affordability. However, when omitted, it can provide a false result and potentially lead to disappointment later in your journey.

Please note that the amount you are given is only a guideline; borrowing amounts will vary from lender to lender. If you need assistance with your Shared Ownership mortgage needs, experienced advisers are on hand to help.

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How much rent do you pay on a Shared Ownership mortgage?

The rent is calculated against the share owned by the landlord, meaning the more you purchase, the lower the rent will be. If you have a specific property in mind, you should be able to obtain the rent information from the agent or landlord.

If this is not possible or you simply wish to budget, there is a typical calculation you can use to get you started. While rent can vary, a good rule of thumb is to calculate 3% of the landlord’s share. The following gives an example using a purchase price of £250,000:

Percentage ownership               Landlord share

50% share = £125,000                     £125,000   x 3% = £3,750 pa or £312pm

25% share = £62,500                       £187,500      x 3% = £5,625 pa or £469pm

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