Two questions determine almost everything about whether a specific mortgage broker is right for you, and neither is "how much do they charge." This guide covers how brokers are actually paid, what "whole-of-market" genuinely means versus a restricted panel, realistic fee ranges for 2026, and how to verify a broker is properly regulated before handing over any paperwork.
Figures below reference published 2026 market data from FCA-regulated brokers and consumer finance guidance, current to mid-2026. This is general education, not a personal recommendation; always verify a specific broker's current fees and status directly.
1. How brokers are actually paid
Every UK mortgage broker is paid through one or both of two mechanisms, and understanding the split is the key to the whole topic.
Regardless of the model, a regulated broker must tell you exactly how much commission they'll receive, and what fee (if any) you'll be charged, before recommending a specific mortgage, and they're required to recommend the most suitable product for your circumstances regardless of which lender pays the highest commission. This disclosure typically appears in your Key Facts Illustration or Initial Disclosure Document; read it, and ask directly if anything isn't clear.
2. Whole-of-market versus restricted access
| Type | What it means |
|---|---|
| Whole-of-market | Can recommend from the vast majority of UK residential mortgage lenders, not restricted to a panel chosen for commission reasons |
| Restricted / multi-tied | Works from a limited panel, often somewhere in the range of 8 to 20 lenders; common with estate agents' in-house mortgage desks and some national broker chains |
| Single-lender restricted | Can only offer products from one specific lender, typically bank branch staff; occasionally the right answer if that lender happens to suit you, but they can't tell you when it doesn't |
The terms "mortgage broker" and "mortgage adviser" are used interchangeably in the UK and don't themselves indicate which category a specific firm falls into. Ask directly, or check the specific wording a firm uses: "we offer mortgages from the whole of the market" is a genuinely different claim to "we offer mortgages from a panel of lenders," and the difference matters.
3. The direct-only gap even whole-of-market brokers can't close
A small number of UK lenders, historically including names like First Direct, only offer their mortgage products directly to consumers and don't pay commission to brokers, meaning even a genuinely whole-of-market broker's "whole of market" claim excludes these lenders by definition, not through any failing on their part. If you want genuine belt-and-braces coverage, it's worth independently comparing a broker's best recommendation against a small number of direct-only lenders yourself before committing, particularly for a large mortgage where even a small rate difference is financially significant.
4. Realistic fee ranges in 2026
For a standard, straightforward residential purchase or remortgage, published 2026 market data points to a client fee, where one is charged at all, most commonly landing around £500, with a broader typical range of roughly £400 to £700 and a market average cited around £623 to £640 depending on the specific data source and whether it's a purchase or remortgage. Percentage-based fees typically run from 0.3% to 1% of the loan amount, and complex cases, significant adverse credit, complex self-employed income, portfolio landlord assessments, guarantor or income-boost products, commonly attract a higher fee, sometimes £750 to £2,000 or more, reflecting the genuinely greater underwriting effort involved.
Reputable brokers typically only charge their fee once a formal mortgage offer is issued and you choose to proceed, meaning you pay nothing if the case doesn't go ahead. Be cautious of any broker asking for a substantial fee upfront, before any work has demonstrably progressed your case, and always get the fee structure confirmed in writing before engaging a broker.
5. When a broker is genuinely worth paying for
The right question isn't "is there a fee," it's whether the fee (plus any commission the broker retains) is outweighed by what the broker actually secures for you: a meaningfully better rate than you'd find yourself, access to a lender or product you wouldn't otherwise qualify for, or genuine time and stress saved navigating a complex application. For straightforward cases, the rate difference a good broker finds, even a modest 0.1 to 0.3 percentage points on a large loan, can be worth several thousand pounds over a five-year fixed term, comfortably outweighing a few hundred pounds in fees.
Brokers are particularly valuable for scenarios that fall outside standard high-street lending criteria: significant self-employed or contractor income, adverse credit history, portfolio landlord cases (see our Portfolio Expansion Planner for the underwriting detail behind this), or any situation where you're not confident a mainstream lender's standard criteria will accept your application at all. In these cases, a broker's access to specialist lenders who aren't marketed directly to consumers can be the difference between getting a mortgage and being declined outright.
6. How to verify a broker before proceeding
- Check the FCA Register. Search the firm's name or reference number at register.fca.org.uk and confirm they hold "Mortgage and home finance broking" permission before proceeding with anything.
- Get their market access claim in writing. "Whole of market," "panel of lenders," or "single lender" are meaningfully different claims; get the specific wording confirmed rather than assuming.
- Get the fee structure in writing. Confirm whether it's a flat fee, percentage, or hybrid, when it's payable, and whether it's refunded if the mortgage doesn't complete.
- Ask what happens to the commission. Some fee-charging brokers keep the lender's commission on top of your fee; others rebate it back to you. This should be disclosed clearly, not buried in small print.
7. Frequently asked questions
Is a "free" mortgage broker actually free?
Not in the sense of nobody being paid. A fee-free broker charges you nothing directly but is paid a procuration fee (commission) by the lender once your mortgage completes, typically around 0.35% to 0.45% of the loan. This doesn't affect your mortgage rate or repayments, but it's worth understanding that "free" refers only to what you personally pay.
Does a broker's commission affect which mortgage they recommend?
It shouldn't. FCA rules require regulated brokers to recommend the most suitable product for your circumstances regardless of which lender pays the highest commission, and they must disclose the commission amount before making a recommendation. A broker who steers you toward a clearly unsuitable product for their own gain risks their regulatory permissions.
What does "whole-of-market" actually mean?
It means a broker can recommend from the vast majority of UK mortgage lenders, rather than being restricted to a smaller panel. It typically excludes a small number of lenders who only sell directly to consumers and don't work with brokers at all, so even a genuinely whole-of-market broker won't cover literally every product in existence.
How do I check if a mortgage broker is properly regulated?
Search the firm's name or FCA reference number on the Financial Conduct Authority's public register at register.fca.org.uk and confirm they hold "Mortgage and home finance broking" permission before proceeding with any application.
Continue your research
About the author
✓ Editorially reviewed — all Poqet guides are checked for factual accuracy before publication and updated when UK rates or legislation change. Editorial Policy