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Lowest rate is currently 4.34% - 25 years tracker interest only mortgage at 60% LTV
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27 March 2026
Lowest rate is currently 4.34% - 25 years tracker interest only mortgage at 60% LTV
21 March 2026
Lowest rate is currently % - 0 year interest only mortgage
20 April 2020
First Published
The Co-operative Bank is a well-established high-street bank and a mainstream mortgage lender in the UK, but with a crucial difference: it is driven by a unique, customer-led Ethical Policy.
They are a strong choice for a wide range of everyday borrowers who are looking for competitive mortgage rates from a bank that aligns with their personal values.
You can view the latest rates available from them by using our free mortgage-sourcing tool below:
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About these rates
Rates shown are illustrative based on the property value, mortgage amount, and term you entered above. Actual rates and total cost depend on your credit profile, deposit, and lender assessment. APR figures include product fees where applicable. Early repayment charges may apply. Rates are not guaranteed and may change before you apply - speak to an adviser to confirm what's available to you today. For a per-product representative example, open Show full details on any card above.
Who are The Co-operative Bank?
With roots going back to 1872, The Co-operative Bank has a long history of providing banking services in the UK. While it is no longer part of the wider Co-operative Group, it has maintained its commitment to an Ethical Policy that has been shaped by its customers for over 30 years.
In the mortgage market, they operate as a direct competitor to other major high-street banks. They offer a full range of products and services, allowing customers to apply directly or through a mortgage broker. It's also important to note that the historic Britannia Building Society is now fully part of The Co-operative Bank.
What are they known for?
The Co-operative Bank's reputation is built on two key pillars: its ethical stance and its position as a reliable mainstream lender.
A Customer-Led Ethical Policy
This is their most distinctive feature. The bank will not provide services to any business whose activities conflict with the values of its customers. This policy covers issues such as:
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Human Rights and Fair Trade
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Environmental Impact and Fossil Fuels
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International Development and Animal Welfare
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Not investing in oppressive regimes or the arms trade
For many borrowers, choosing The Co-operative Bank means their mortgage money is with a bank that actively avoids causing social and environmental harm.
Mainstream Mortgage Products
They offer a comprehensive range of products for standard borrowers:
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First-Time Buyers: They consistently offer 95% Loan-to-Value (LTV) mortgages, requiring just a 5% deposit.
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Home Movers and Remortgagers: A wide selection of competitive fixed and tracker rates.
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Product Transfers: A straightforward process for existing customers (including former Britannia customers) to switch to a new deal.
Sainsbury's Bank Customers
Sainsbury's Bank stopped offering new mortgages in 2019. In August 2023, they agreed to sell their entire mortgage portfolio to The Co-operative Bank.
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Changes: If you had a Sainsbury's Bank mortgage, you should have received a new account number. Your terms and conditions (interest rate, margin) remain protected, but you are now a customer of The Co-operative Bank.
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Service: You must contact The Co-operative Bank for all enquiries, redemption statements, or payment changes.
Speak to one of our brokers if you wish to find a new lender and explore the options available.
Compare today's best mortgage rates
We work with 90+ UK mortgage lenders, including The Cooperative Bank. You can use our service to compare mortgage rates from across the market to find the right deal.
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Pros and Cons of a Co-operative Bank Mortgage
Pros:
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Unique Ethical Stance: The only UK high-street bank with a customer-led ethical policy, which is a major draw for many.
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Competitive Mainstream Rates: They offer competitive rates that often rival the biggest names on the high street.
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Full Banking Service: You can have your mortgage, current account, savings, and credit cards all with one institution.
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Good for Standard Cases: A reliable and straightforward choice for borrowers with a good credit history.
Cons:
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Less Flexible on Complex Cases: As a mainstream bank, their largely automated underwriting process is less suited to borrowers with complex incomes or minor credit issues compared to a specialist lender.
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Not a Mutual: Unlike a building society, the bank is owned by private investors, not its members.
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Customer Service can be variable: Like many large banks, the service experience can differ across departments.
How to apply
The Co-operative Bank provides multiple ways to apply for a mortgage:
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Directly: You can apply yourself online, over the phone, or by booking an appointment in one of their branches.
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Through a Mortgage Broker (recommended): You can also use an independent mortgage adviser who can manage the application on your behalf.
If you want to explore whether The Co-operative is the right lender for you, get in touch here and we will arrange a free, no-obligation chat with a mortgage broker who specialises in their products.
It means the bank's profits and business activities are guided by ethical principles. For example, they will not invest in fossil fuel extraction or the arms trade. While it doesn't change the terms of your mortgage, it ensures your money is held by a bank with a strong ethical framework.
Yes, they are a competitive option for first-time buyers, regularly offering 95% LTV mortgages and a range of deals to suit different needs.
Yes. Britannia Building Society fully merged with The Co-operative Bank. All existing Britannia mortgages are now managed by The Co-operative Bank, and you will be offered a new deal from their product range when your current one expires.