Bank of Ireland UK offers mortgages directly with the provider for borrowers in Northern Ireland and via a broker for borrowers in Britain.
Here, you can find out what Bank of Ireland UK mortgage customers thought about its service, what our expert analysis uncovered about its range of deals and the best Bank of Ireland UK mortgage rates on the market right now.
Please note that the information in this article is for information purposes only and does not constitute advice. Please refer to the particular terms and conditions of a provider before committing to any financial products.
Why you can trust our mortgage lender reviews
Real customer views
We've asked 54 Bank of Ireland UK mortgage customers about their experiences of the lender.
Expert mortgage rate analysis
We've analysed Bank of Ireland UK's mortgage rates to work out if it's a lender that offers competitive deals.
Is Bank of Ireland UK a good mortgage lender?
Bank of Ireland UK
Bank of Ireland UK came bottom of our customer satisfaction table. It scored three stars in all categories, including customer service and online access. It also performed poorly in our interest rate analysis.
21out of 21 mortgage lenders ranked on customer score
To see how Bank of Ireland compares to other mortgage providers, head to our guide to the best mortgage lenders.
Does Bank of Ireland UK offer the best mortgage deals?
Which? analysed thousands of mortgages, using Moneyfacts data, over eight weeks in the summer/autumn of 2025. We compiled a series of top-10 cheapest deals tables based on a variety of borrowing scenarios and counted how many times each lender appeared in a table.
The average was five table appearances per week. Bank of Ireland made no appearances in our tables. Our research showed that you could typically find a better rate from other mortgage lenders, such as HSBC, Santander or NatWest, during our analysis.
You can see the mortgages Bank of Ireland is currently offering to first-time buyers, home movers and remortgagers in the tables below.
To see how Bank of Ireland compares with other mortgage providers, head to our guide to the best mortgage rates and deals, which is updated every day.
Bank of Ireland UK mortgage rates for first-time buyers
Table notes: Data from Moneyfacts, updated daily. Customer score is based on a combination of overall satisfaction and likelihood to recommend the provider. The average customer score is 74%. The results are based on an online survey of 5,016 members of the public conducted in August/September 2025 and are representative of the GB/UK population (aged 18+). Providers must receive a minimum sample size of 40 for inclusion in the results. Bank of Ireland UK had a sample size of 54.
Bank of Ireland UK mortgage rates for home movers
Table notes: Data from Moneyfacts, updated daily. Customer score is based on a combination of overall satisfaction and likelihood to recommend the provider. The average customer score is 74%. The results are based on an online survey of 5,016 members of the public conducted in August/September 2025 and are representative of the GB/UK population (aged 18+). Providers must receive a minimum sample size of 40 for inclusion in the results. Bank of Ireland UK had a sample size of 54.
Bank of Ireland UK mortgage rates for remortgaging
Table notes: Data from Moneyfacts, updated daily. Customer score is based on a combination of overall satisfaction and likelihood to recommend the provider. The average customer score is 74%. The results are based on an online survey of 5,016 members of the public conducted in August/September 2025 and are representative of the GB/UK population (aged 18+). Providers must receive a minimum sample size of 40 for inclusion in the results. Bank of Ireland UK had a sample size of 54.
How did customers rate Bank of Ireland UK mortgages?
We asked Bank of Ireland UK mortgage customers about their experience with the lender.
Here's how customers rated Bank of Ireland UK in various areas of service:
Table notes: Star ratings are out of five. The results are based on an online survey of 5,016 members of the public conducted in August/September 2025 and are representative of the GB/UK population (aged 18+). Providers must receive a minimum sample size of 40 for inclusion in the results. Bank of Ireland UK had a sample size of 54.
What do customers think about Bank of Ireland UK?
We not only produce customer scores and star ratings, but also collect comments from real customers.
Many of the comments we got from Bank of Ireland UK mortgage customers were positive, but there were more negative comments than lenders with higher customer scores.
A common theme of responses was that customers hadn't had any issues with the lender.
One consumer's feedback reflected our interest rate analysis. The customer noted that they could have found a lower rate if they had shopped around for a different lender.
Most of the things said about customer service were positive. One customer told us that Bank of Ireland UK is 'easy to deal with', while another said it is 'very straightforward and honest'.
Bank of Ireland UK mortgage lender FAQs
What types of mortgage does Bank of Ireland UK offer?
When we checked in September 2025, there were 54 mortgages available from Bank of Ireland UK. All of these were fixed-rate deals, meaning your interest rate stays the same for a set initial period.
Bank of Ireland UK mortgages had initial periods of two, three, five and seven years.
How much could I borrow from Bank of Ireland UK?
Bank of Ireland doesn't publish its borrowing caps, but you can use its affordability calculator to check the size of a mortgage you qualify for.
Does Bank of Ireland UK offer green mortgages?
Currently, Bank of Ireland UK doesn't offer green mortgage products.
How long can the mortgage term be?
All of Bank of Ireland UK's mortgages have a maximum term length of 35 years.
- Find out more: mortgage calculator toolkit – use our range of calculators to compare mortgage deals, work out how much you can borrow and more
Key Information
Why should you trust Which? research? We’re not influenced by third parties. We work entirely on behalf of you, the consumer – nobody else. See our statement of editorial independence