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Savings products - In preparation of the launch of our new and improved Online Service we have temporarily withdrawn online applications for all our savings products. You can still apply for these products by post or in branch. All savings products will be available to apply online from 12 May. We apologise for any inconvenience this may cause.
- Savings customers: Your 2024 / 2025 Annual Interest Savings Summary are currently being processed and are due to be delivered by 30 April 2025.
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Online Service update. Due to planned essential maintenance our Online Service will be unavailable from 6pm until 12am on Wednesday 7 May. Our Online Service will also be unavailable between 5.30pm on Friday 9 May until 9am on Monday 12 May. We apologise for any inconvenience this may cause.
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Joint Borrower Sole Proprietor
A great solution for young borrowers and parents who want help to increase their borrowing capacity.What is a Joint Borrower Sole Proprietor (JBSP) arrangement?
A Joint Borrower Sole Proprietor (JBSP) mortgage allows family members to help a borrower secure a mortgage by adding their income to the affordability assessment, without being named on the property deeds. This means the borrower owns the home outright, while the joint borrowers share responsibility for the mortgage repayments.
What are the benefits?
- You can increase your mortgage affordability and secure a larger loan than you could on your own
- Even if you're an older borrower, we offer mortgage terms up to the age of 95, taking various retirement income streams into account to support long-term affordability
- You may be able to borrow up to 90% of the property's value through the mortgage, depending on the Loan to Value (LTV) of your mortgage.
What is 'Loan to Value'?
This is the size of your mortgage loan divided by the value of your property. For example, if you’re buying a £100,000 property with a £10,000 (10%) deposit, you’ll need a 90% LTV mortgage.
You can see the maximum loan amounts we can offer, depending on the loan to value and the repayment method, for JBSP arrangements below:
Owner Occupier Capital & Interest Repayment
Loan to value | Maximum loan amount |
75% | £1,000,000 |
80% | £750,000 |
90% | £500,000 |
Owner Occupier Interest-Only
Loan to value | Maximum loan amount |
80% | £500,000 |
We have a number of mortgage products available. Take a look at our current range of mortgage products below.
Joint Borrower Sole Proprietor case study
Our case studies show how our mortgage products have helped real life customers. Find out how we helped Greg get on the property ladder via our Joint Borrower Sole Proprietor offering.

JBSP mortgage brochure
Find out more about our JBSP mortgage and how it can work for you.
Any questions?
If you have any questions and are unsure what mortgage product would be suitable for you, you can arrange an appointment or speak to a New Business Representative. You can get in touch in the following ways:
Our mortgage products available for Joint Borrower Sole Proprietor
Initial interest rate | Current follow on rate | Overall cost for comparison | Repayment or Interest-Only? | Max % Loan to Value (LTV) | Product fees |
Additional benefits |
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5.19% JBSP 5 Year Fixed Rate to 31/08/2030 (XF1011) |
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5.19% | 7.94% |
7.0% |
|
80% | £0~ |
£500 cashback for Remortgage applications^ |
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Some key features of this mortgage
See full details for fee details, documents you'll need, and more. |
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5.29% JBSP 5 Year Fixed Rate to 31/08/2030 (XF1012) |
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5.29% | 7.94% |
7.0% |
|
90% | £0~ |
£500 cashback for Remortgage applications^ |
||||
Some key features of this mortgage
See full details for fee details, documents you'll need, and more. |
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5.29% JBSP 2 Year Fixed Rate to 31/08/2027 (XF1007) |
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5.29% | 7.94% |
7.7% |
|
80% | £0~ |
£500 cashback for Remortgage applications^ |
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Some key features of this mortgage
See full details for fee details, documents you'll need, and more. |
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5.39% JBSP 2 Year Fixed Rate to 31/08/2027 (XF1008) |
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5.39% | 7.94% |
7.7% |
|
90% | £0~ |
£500 cashback for Remortgage applications^ |
||||
Some key features of this mortgage
See full details for fee details, documents you'll need, and more. |
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5.69% JBSP 2 Year Fixed Rate to 31/08/2027 (XF0984) |
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5.69% | 7.94% |
7.9% |
|
60% | £599~ |
£500 cashback for Remortgage applications^ |
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Some key features of this mortgage
See full details for fee details, documents you'll need, and more. |
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6.09% JBSP (1.85% discounted rate from follow on rate) for 2 years (XD0215) |
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6.09% | 7.94% |
8.0% |
|
60% | £599~ |
£500 cashback for Remortgage applications^ |
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Some key features of this mortgage
See full details for fee details, documents you'll need, and more. |
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6.34% JBSP (1.60% discounted rate from follow on rate) for 2 years (XD0216) |
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6.34% | 7.94% |
8.0% |
|
80% | £599~ |
£500 cashback for Remortgage applications^ |
||||
Some key features of this mortgage
See full details for fee details, documents you'll need, and more. |

Comparing two mortgage products
Note that products are subject to additional terms and subject to change. See a product's full details to find out more.