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What does a mortgage broker actually do, step by step?

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A mortgage broker works out which lenders will lend you what you need, on what terms, and then runs the application for you from the first fact find to the day you complete. The visible part is the recommendation. The larger part is the criteria matching, the document packaging and the chasing that happens between application and offer.

I am a whole-of-market broker, which means I can place a case with any lender that accepts applications through intermediaries rather than a panel of a few. I am paid a procuration fee by the lender when the mortgage completes, plus a flat £350 from the client, payable only once the offer is issued.

What is the difference between a whole-of-market broker and a tied one?

A tied or restricted broker can only recommend from a fixed list of lenders, sometimes a single one. A bank’s in-branch adviser is tied to that bank. A whole-of-market broker searches across the lenders open to brokers, which in practice is most of the residential and buy-to-let market, and recommends from that. The distinction matters most when your case has something unusual about it, because the lender that fits is often not a high street name.

Do I need a broker at all?

Not always. A straightforward employed applicant with a clean credit file and a 15% deposit can apply direct to a bank and may get the same product. A broker earns their fee when the case has a wrinkle: self-employed income, a recent job change, a small deposit, a student loan or a property that some lenders will not touch. Those are the cases where picking the wrong lender costs a declined application and a hard search on your file.

A broker runs the case from fact find to completion, most of the work is criteria matching, packaging and chasing

Whole-of-market means access to every lender that accepts broker applications, tied means a fixed list or a single bank

Brokers are paid a procuration fee by the lender on completion, HTG charges a flat £350 once the offer is issued

Harry Goodliffe, director and FCA-authorised mortgage advisor at HTG Mortgages, at his desk

What does a mortgage broker do from start to finish?

The fact find comes first. That is a structured conversation about income, outgoings, credit history, deposit, the property and what you want the mortgage to do. It takes about an hour and it is where most of the later problems are found early.

Affordability across lenders. Each lender has its own model and the same applicant can get materially different maximum loans from different lenders. I run the case through the lenders that are likely to fit and see where the numbers land.

Criteria matching. Lenders publish criteria on hundreds of points, from minimum time in a job to how they treat a bonus or a flat above a shop. This step rules lenders out before an application is made, which is what avoids a decline.

Decision in principle. A soft or hard credit check with the chosen lender giving an indication of what they will lend. Estate agents usually want to see one before taking an offer seriously.

Packaging. Payslips, bank statements, ID, proof of deposit, accounts for the self-employed, all collected, checked against the lender’s rules and submitted in the format the underwriter expects. A well-packaged case goes through faster than a correct one submitted piecemeal.

Application and chasing. Once submitted, the case sits with an underwriter and a valuer. I chase both, answer their queries and supply anything extra they ask for. Most of my offers in 2026 have come through in under two weeks, though timescales vary by lender and case.

Offer. The lender’s formal commitment to lend, with the product terms attached. This is the point at which my £350 fee becomes payable, as set out on my fees page.

Solicitors to completion. I liaise with your conveyancer so the offer, the searches and the exchange line up, and I stay on the case until the money is drawn down.

Protection, where relevant. Life cover, critical illness and income protection are discussed alongside the mortgage because the mortgage is the liability they exist to cover. Nobody is obliged to take any of it.

How is a mortgage broker paid?

Two ways, and a good broker tells you both up front.

The procuration fee. The lender pays the broker a fee when the mortgage completes, typically a fraction of a percent of the loan. On a £250,000 mortgage that is a few hundred pounds to a little under a thousand depending on the lender. The client does not pay this and it does not change the product’s price; the lender pays the same amount whether you apply direct or through a broker.

The client fee. Some brokers charge nothing to the client, some charge a percentage of the loan, and some charge a flat amount. Mine is £350, flat, regardless of loan size, and it is only payable once the mortgage offer is issued. If the case does not reach offer, there is no fee.

What that means in practice is that a broker’s income depends on the case completing, which is a reasonable incentive but also worth understanding. Procuration fees vary slightly between lenders. A whole-of-market broker is required to recommend on suitability, not on which lender pays more, and the recommendation should be explained in writing so you can see the reasoning.

Fees for buy-to-let and limited company cases can differ from residential, and they are set out separately on the fees page.

Things to ask a mortgage broker

Before you appoint one, these are the questions that tell you what you are dealing with.

  • Are you whole of market, or do you work from a panel?
  • What is your fee, when is it payable, and is there any charge if the case does not reach offer?
  • Are you directly authorised by the FCA or an appointed representative, and of whom?
  • How many lenders did you consider for my case, and why did you rule the others out?
  • What is the early repayment charge on the product you are recommending?
  • Will you handle the case through to completion, or hand it to an administrator?
  • How do you get paid by the lender on this product?

What I see in practice

Criteria checking is the task that takes the most time and that clients never see. A client applying direct can go to one bank at a time and find out whether it works after the application is in. I can check the criteria of 120 lenders at once and rule most of them out before an application exists, which is where the time goes and where the value is.

Speak to an expert

If you want to know whether your case is one a broker adds value to, send me a line about your income, deposit and the property and I will tell you honestly whether it is.

Get in touch

When is a mortgage broker not the right route?

A product transfer with your existing lender is often simpler to do direct, and it is always the first thing I check on a remortgage anyway. If the loan is not changing and the current lender’s retention product is competitive, there may be nothing for a broker to add beyond confirming that.

Some lenders do not accept broker applications at all. A handful of banks and building societies are direct only, and a whole-of-market broker cannot place a case with them. If you have a strong reason to use one of those, apply direct.

A broker also cannot make a case fit. If affordability fails at every lender, or the credit history is inside a lender’s exclusion window, the answer is to wait, save or repair, and a decent broker tells you that at the fact find rather than after a decline.

What a broker does add is the criteria work and the chasing, and the value of that rises with the complexity of the case. Whether that is worth £350 to you depends on how straightforward your situation is and how much of the process you want to run yourself.

I am based in Winchester and work with clients across Hampshire and the rest of the UK by phone and video. My background and authorisation details are on the about page, and HTG Mortgages Limited’s FCA reference is 1017945 if you want to check the register.

Need Personal Mortgage Advice?

Every buyer’s situation is different. While this guide explains the general rules, the right mortgage for you depends on your income, deposit, credit history and future plans. If you’d like tailored advice, I can help, with 120+ lenders to choose from.

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Frequently Asked Questions

Have another question?

A broker finds the lenders whose criteria and affordability model fit your case, recommends a product, packages the documents, submits the application, chases the underwriter and valuer through to offer, and liaises with your solicitor to completion. Most of the work is in the criteria matching and chasing that you do not see.

It depends on the case. A simple employed applicant with a clean file and a large deposit can often apply direct and get the same product. A broker earns their fee where the case is unusual, such as self-employed income, a recent job change, a small deposit or an unusual property, because choosing the wrong lender can mean a decline.

By the lender, through a procuration fee paid on completion, typically a fraction of a percent of the loan, and sometimes by the client through a fee. HTG Mortgages charges a flat £350, payable only once the mortgage offer is issued. The lender’s fee does not change the price of the product you are offered.

A broker who can recommend from every lender that accepts applications through intermediaries, rather than from a restricted panel or a single bank. In practice that covers most of the residential and buy-to-let market. A few lenders are direct only and cannot be reached through any broker.

Whether they are whole of market, what their fee is and when it is payable, whether they are directly authorised or an appointed representative, how many lenders they considered for your case, what the early repayment charge is on the recommended product, and whether they handle the case to completion themselves.

Sometimes. A broker sees products from many lenders and can match criteria you would not know to check, and some lenders offer broker-only products. But a bank’s direct-only product may occasionally be the best fit, and a broker cannot access it. The advantage of a broker is the breadth of comparison, not a promise of a better outcome.

It varies by lender and case. Most of my offers in 2026 have come through in under two weeks from submission, with the valuation and the underwriter’s queries setting the pace. A well-packaged application with every document checked before submission is the biggest factor within the broker’s control.

In the UK the terms are used interchangeably. Both must hold a qualification such as CeMAP and be authorised by the FCA, directly or as an appointed representative of a network. The useful distinction is whole of market against tied, which tells you how many lenders the adviser can recommend from.


Harry Goodliffe
Written by Harry Goodliffe
Director & Mortgage Adviser, HTG Mortgages  ·  FCA Authorised (1017945)
CeMAP Qualified  ·  Featured in National Press  ·  South England Prestige Awards 2026/27 winner

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