Mortgage broker vs going to your bank: which is better?

This is one of the most common questions we hear from people about to buy or remortgage: do I just walk into my own bank, or is a broker worth the bother? It is a fair question, and the honest answer is not a sales pitch in either direction.

I'm Max, I founded Bright Box and advise on mortgages and protection, and we arrange mortgages for people across Hertfordshire and North London every week. Below is the straight version: what a bank can and cannot do for you, where a broker genuinely adds value, and the handful of cases where you are better off going direct.

The short answer: it depends on your case

A bank is one shop selling its own products. A broker is the person who walks you round the whole high street and tells you which shop fits. Neither is automatically right for everyone.

The deciding factor is how straightforward your situation is. If you are an employed first-time buyer with a clean credit file and a healthy deposit, plenty of lenders want your business and the gap between routes is narrow. The more there is going on, such as self-employment, contract income, a smaller deposit, a past credit blip or an unusual property, the more a broker tends to earn their keep.

• A bank can only offer its own range of mortgages.
• A broker compares deals across 90+ lenders and handles the paperwork.
• The simpler your case, the smaller the difference between the two routes.
• The more complex your case, the more a broker usually saves you in time, stress and money.

What your bank can and can't do

Going direct to your own bank has real attractions. They already hold your current account, so some of the admin is quicker, and existing customers are sometimes offered loyalty or retention rates that look very competitive.

The limit is simple: a bank can only ever sell you a mortgage from its own shelf. If a different lender has a sharper rate, a more generous affordability calculation, or rules that suit your income better, your bank will not tell you. It is not their job to. They also will not tell you if you have been declined because of a quirk in their own criteria rather than anything wrong with you.

That matters more than people expect, because lenders vary enormously in who they will lend to and how much. One bank might cap what you can borrow while another, looking at the exact same income, offers tens of thousands more.

What a broker does differently

A mortgage broker sits between you and the whole market. Instead of one shelf, they compare deals from 90+ lenders, including some that only work through brokers and never deal with the public directly.

The comparison is only part of it. A good broker also does the work that quietly decides whether your application succeeds:

• Matches you to the right lender first time, so you are not applying blind and collecting hard credit checks that mark your file.
• Reads the affordability rules behind each lender, which is where the difference between a yes and a no usually sits.
• Packages your case, so self-employed accounts, bonuses or commission are presented the way that particular lender wants to see them.
• Handles the chase, dealing with the lender, the valuation and the paperwork while you get on with your life.

For anyone with an income that is not a flat monthly salary, this is where a broker repays the fee several times over. We spend a lot of our week simply knowing which lender treats which kind of income kindly.

Do brokers actually get better rates than banks?

Here is the honest version, because the forums are full of half-truths on this one. Brokers do not get a secret cheaper price on the same product. If a bank's rate is 4.5%, it is 4.5% whether you walk in yourself or a broker arranges it.

What a broker gets you is the best rate you actually qualify for across the whole market, rather than the single deal one bank happens to be promoting. The saving comes from matching you to the right lender, not from a magic discount. Two things drive it:

1. Range. Seeing 90+ lenders at once means the lowest suitable rate is far more likely to surface than if you check one or two yourself.
2. Total cost, not headline rate. A 4.4% deal with a £1,500 product fee can cost more than a 4.6% deal with no fee, depending on your loan size. A broker compares the true cost over the deal period, which is the number that matters.

So "do brokers get better rates" is the wrong question. The better question is whether you have seen the best deal you personally qualify for, and on that, one bank simply cannot answer.

What you want	Going direct to your bank	Using a broker
Choice of lenders	One (your bank only)	90+ across the market
Whole-of-application help	You do the legwork	Handled for you
Help if your case is complex	Limited to their rules	Placed with a lender that fits
Cost to you	Usually no direct fee	A broker fee may apply

When going straight to your bank makes sense

I would not be giving you the honest answer the title promises if I pretended the bank never wins. Sometimes it does, and a good broker will tell you so.

Going direct can be the right call when:

• You are an existing customer being offered a retention or loyalty rate that genuinely beats the open market, which does happen.
• Your case is very straightforward, your deposit is large, and you are simply switching to a new deal with the same lender at the end of your fixed term.
• You have already compared the wider market and your bank's offer stands up.

The catch is that you usually cannot know your bank's deal is the best one without seeing what else is out there. That is the bit a broker does in an afternoon and you would spend a fortnight on. If you want to understand how rates are built before you compare, our guide to mortgage rates breaks it down.

What each route costs you

Cost is where a lot of people decide, so let me be plain about it. Going to your bank usually carries no direct advice fee. Some brokers charge a fee, some are paid only by the lender, and a few do both. There is no single industry rule, which is exactly why you should ask any broker how they are paid before you start.

For the record, here is how we do it at Bright Box, because transparency is the whole point of an article like this:

• We do charge a client fee, and it varies with how complex your case is.
• We only charge once your mortgage offer has been issued. Nothing upfront, and nothing at all if your case does not complete.
• If a better rate appears before you complete, we re-rate it for free.
• You become a client for life, which means your future remortgages with us are free.

The point is not that a fee is good or bad. It is that you should weigh the fee against what it saves you. A broker fee that secures a better-fitting deal, or simply gets a tricky case approved at all, can be the cheapest money you spend on the whole purchase. For what a broker itself costs, see how much a mortgage broker costs and whether a broker fee is worth paying; to see how the rest of the buying costs stack up, our guide to mortgage fees and costs lays them out in full.

How we help

If you are weighing up your bank's offer against the wider market, that is precisely the conversation we have all day. We will look at your situation, compare it across 90+ lenders, and tell you honestly whether your bank is already giving you a good deal or whether you can do better. If they have got it right, we will say so.

Still getting your bearings? It helps to know that "adviser" and "broker" mean the same thing, and exactly what a mortgage broker does for you. Otherwise, read more about how we work and who we help, or simply get in touch with the team for a no-pressure chat.

Last updated: 18 June 2026. This article is general information, not personal advice. Your home may be repossessed if you do not keep up repayments on your mortgage.

Frequently asked questions

Is it better to go to a bank or a mortgage broker?

For most people a broker is the safer bet, because a bank can only offer its own products while a broker compares deals from across the market and handles the application. Going direct can suit you if your case is simple and your own bank happens to be offering one of the sharpest rates that week.

Do mortgage brokers get better rates than banks?

Brokers don't get secret discounts, but they do see the whole market at once, so they can find the lowest rate you actually qualify for rather than just the one deal a single bank is promoting. The saving usually comes from matching you to the right lender, not from a special broker-only price.

Is it cheaper to go direct to a bank for a mortgage?

It can look cheaper if you avoid a broker fee and your bank's rate is competitive. But a slightly higher rate from the wrong lender, or a deal with a large product fee, can cost far more over the term than a broker fee would. Compare the total cost, not just the headline rate.

Can a mortgage broker get me a mortgage my bank turned down?

Often, yes. A decline from one bank only reflects that lender's rules. A broker knows which lenders are more flexible on things like self-employment, contract income, smaller deposits or past credit issues, and can place your case with one likely to say yes.

Does using a mortgage broker affect my credit score?

A good broker uses soft searches and your details to narrow down the right lender before any full application, so you avoid leaving several hard credit checks across multiple banks. Applying to lots of lenders directly is far more likely to mark your file.