Getting a mortgage as a stockbroker is simple in principle and routinely complicated in practice. Your income is real, substantial, and often growing year on year. The problem is how high street lenders read it. Commission income and performance bonuses, which in many wealth management and brokerage roles represent more than half of total earnings, are either capped or partly excluded by mainstream underwriting models. The result is that a stockbroker earning £120,000 a year can find themselves offered a mortgage sized for someone earning £75,000.
Specialist lenders take a different approach. They assess the full picture of your earnings, use longer averaging periods for variable income, and apply higher income multiples for clients whose total assessed income exceeds £60,000. The difference in borrowing capacity can be significant.
Why High Street Lenders Fall Short for Stockbrokers?
Most high street mortgage lenders use automated affordability models built around simple income types: a single PAYE salary, clear employment structure, predictable monthly pay. Stockbroker income rarely fits that model cleanly.
The issue is not that lenders refuse commission or bonus income. Most will consider it. The issue is the percentage they apply and the income multiple that results. A typical high street approach looks like this: take your base salary in full, add 50 to 75% of your last two years’ average commission and bonus, then multiply by a standard 4.5x income multiple. For a stockbroker where commission often equals or exceeds the base salary, that methodology can reduce assessed income by 30% or more before the multiple is applied.
Specialist lenders assess commission differently. Where there is a consistent two-year track record of commission payments, many specialist and private bank lenders will use 100% of the two-year average, with no cap on commission relative to base salary. For assessed income above £60,000, specialist lenders can extend the income multiple to 6x. That combination, full commission recognition and a higher multiple, is where the gap between high street and specialist lending becomes most pronounced.
What Is the Difference Between PAYE Stockbroker and Self-Employed IFA Mortgage Assessment?
Your employment status determines both which lenders are accessible and how income is calculated. These are two quite different profiles for mortgage purposes.
If you are employed directly by a brokerage, wealth management firm, or bank and paid via PAYE, you have the stronger starting position. Your basic salary is taken in full. Commission and performance bonuses are assessed on payslips and P60 evidence, with lenders averaging the last two years. Most high street lenders require three consecutive monthly payslips showing commission payments to confirm regularity. Some will also ask for an employer reference letter confirming the commission structure is ongoing and not linked to a one-off event.
If you are a self-employed independent financial adviser or operate a client-facing brokerage practice through a limited company, income assessment shifts to SA302 tax calculations and company accounts. Lenders will typically take the lower of your last two years’ net profit (sole trader) or salary plus dividends (limited company director), then average or take the most recent year depending on income trajectory. Income that has dropped year on year will cause some lenders to cap at the lower figure. Specialist lenders can take a more flexible view where the recent year is demonstrably higher and supported by management accounts.
How Are Trail Commission and AUM-Based Income Assessed for Mortgages?
For brokers and advisers who have built a book of managed assets, trail commission or ongoing management fees represent a recurring income stream distinct from new business commission. This is one of the least well-understood income types in residential mortgage underwriting, and it is where a specialist broker adds genuine value.
Trail commission, which is income earned from the ongoing management of client assets rather than new business generation, can be assessed as recurring income by a number of specialist lenders where the following conditions apply. The trail income must be documented with at least two years of consistent payments. The client book must be of sufficient scale and stability that the income is likely to continue. Self-employed advisers will need to demonstrate the income within their accounts or SA302 return.
Where trail commission is the primary or majority income source, the lender assessment becomes more nuanced. Some specialist lenders and private banks are experienced with this income type and will consider it on a case-by-case basis with appropriate packaging. High street lenders rarely have a defined policy for trail income and will either decline or apply a heavy discount.
How Are Guaranteed vs Discretionary Bonuses Treated by Lenders?
Lenders distinguish between guaranteed bonuses and discretionary bonuses, and the distinction matters more for stockbrokers than for most professions.
A guaranteed bonus is contractually committed by the employer and will be paid in full regardless of individual or firm performance. Most lenders will use 100% of a guaranteed bonus where it can be evidenced with a contract. In practice, very few bonuses in brokerage and wealth management roles are truly guaranteed. Most are discretionary, meaning the employer has no contractual obligation to pay them and the amount varies by performance.
Discretionary bonuses are the norm in this sector. High street lenders typically use 50 to 75% of the two-year average of discretionary bonus income. Specialist lenders can go to 100% of the two-year average where the payments are consistent and the employment contract confirms the bonus scheme has been in place throughout. If your bonus income has grown significantly in the most recent year, some specialist lenders will use a weighted average, placing more emphasis on the recent year rather than applying a straight two-year mean.
Where bonuses are paid in deferred form, such as restricted stock units (RSUs) vesting over three to five years, the treatment varies by lender. Some will consider unvested RSUs as a contingent asset rather than income. Others will exclude them entirely. Specialist lenders and private banks are more experienced with equity-based compensation and can often structure assessment to incorporate RSUs appropriately.
What Documentation Does a Stockbroker Mortgage Application Need?
| Income Type | Documents Required | Notes |
|---|---|---|
| Base salary (PAYE) | 3 months payslips, latest P60 | Taken in full by all lenders |
| Commission (PAYE) | 12-24 months payslips showing commission, P60 | High street: 50-75% of 2yr avg. Specialist: up to 100% |
| Annual discretionary bonus | 2 years P60, payslips evidencing payments, employment contract | High street: 50-75%. Specialist: up to 100% of 2yr avg |
| Trail/renewal commission | 2 years SA302 or company accounts, client book summary | Specialist lenders only. Must show consistency |
| RSUs / deferred equity | Vesting schedule, most recent award letters, share valuations | Private bank and specialist lenders only |
| Self-employed IFA income | 2 years SA302 and tax year overviews, company accounts if Ltd | Net profit or salary + dividends. 2yr average standard |
What Income Multiples Can Stockbrokers Access?
| Borrower Profile | High Street Multiple | Specialist Multiple | Max LTV |
|---|---|---|---|
| Employed PAYE, low commission relative to base | 4.5x | 5x to 5.5x | Up to 95% |
| Employed PAYE, high commission (assessed income above £60k) | 4.5x of partial income | Up to 6x of full assessed income | Up to 90-95% |
| Self-employed IFA, 2yr+ accounts (income above £60k) | 4x to 4.5x | Up to 6x | Up to 85-90% |
| Self-employed IFA, 1yr accounts | Decline or 3.5x-4x with restrictions | 4x to 5x via select specialist lenders | Up to 75-80% |
| High net worth (income above £300k or net assets above £3m) | Standard multiple only | 6x+ via private bank under the FCA high net worth definition | Up to 90% |
According to the Bank of England, the base rate stands at 3.75% as of April 2026. This is the lowest level since 2022 and feeds directly into the rates available on specialist and private bank mortgages, many of which are priced at a margin above the base rate. The rate environment improves affordability, but lender income assessment methodology remains the primary constraint for high-commission borrowers regardless of the prevailing rate.
Worked Example: Employed Stockbroker, High Commission Income
Bristol-based wealth manager, age 35. Employed PAYE at a regional wealth management firm. Base salary £65,000. Commission paid monthly, averaging £55,000 per year over the last two years. No guaranteed bonus element. P60 and 24 months of payslips available. Clean credit, no other debt. Deposit: £100,000.
| High Street Lender | Specialist Lender | |
|---|---|---|
| Base salary used | £65,000 | £65,000 |
| Commission used | £27,500 (50% of avg) | £55,000 (100% of avg) |
| Total assessed income | £92,500 | £120,000 |
| Income multiple applied | 4.5x | 6x (assessed income above £60k) |
| Maximum borrowing | £416,250 | £720,000 |
The difference is £303,750. With a £100,000 deposit, the high street offer produces a total purchase budget of £516,250. The specialist route produces £820,000. Both calculations are from the same income, the same employment, and the same credit profile. The difference is entirely down to how each lender reads commission.
According to the ONS, financial and insurance activities employ over 1.1 million people in the UK, with the sector consistently recording average earnings among the highest of any industry. A significant proportion of that pay is structured as commission or performance-related bonus rather than fixed salary, which means a large number of high-earning professionals in financial services face exactly the income assessment problem described above when applying for a mortgage.
Which Lenders Work for Stockbroker Mortgages?
Not all lenders are equally suited to commission-heavy applications. The difference between the right lender and the wrong one, for a stockbroker with substantial variable income, can run to hundreds of thousands of pounds in maximum borrowing.
Among high street lenders, Barclays is generally the most favourable for bonus and commission income. They use 100% of the two-year average and do not cap commission as a percentage of base salary, which makes them better than Halifax, Nationwide, or HSBC for stockbroker-style income profiles. NatWest is competitive for monthly or quarterly commission where a consistent payment pattern can be demonstrated. Both remain limited to the standard 4.5x income multiple.
Specialist lenders and private banks are where the meaningful difference is made. A number of specialist lenders will extend to 5x or 5.5x at standard borrower level and up to 6x for assessed income above £60,000, with 100% commission recognition. Private banks, operating under the FCA high net worth definition for clients meeting the FCA high net worth definition, assess each application individually, with income multiples uncapped in principle and the full suite of variable income components on the table.
What we find consistently is that the cases presenting the greatest gap between high street and specialist outcomes are those where commission is the majority of income rather than a supplement to a large base salary. A stockbroker on a £40,000 base with £80,000 commission is not unusual. The high street sees a £40,000 earner with some extras attached. A specialist lender sees a £120,000 earner with a well-documented, recurring income history. The framing of the case and the lender selected makes all the difference.
How Do FCA Authorisation and CISI Qualification Affect a Mortgage Application?
Most stockbrokers and wealth managers either hold personal FCA authorisation or operate under the authorisation of their employing firm. This regulated status is an asset when packaging a mortgage application to specialist lenders. FCA-regulated individuals are subject to fit and proper requirements, which effectively confirms to lenders that the applicant has passed regulatory scrutiny and operates in a supervised environment. While lenders do not formally adjust their criteria for regulated professionals, the context of FCA authorisation, particularly in conjunction with recognised professional qualifications such as CISI membership or CFA designation, supports the presentation of a strong application narrative.
This matters most in private bank and specialist underwriting, where the application is reviewed by a human underwriter rather than passed through an automated scoring model. The regulatory profile of the borrower forms part of the risk picture the underwriter is building. It does not substitute for the income documentation, but it adds professional credibility to a case being made for a high multiple or unusual income structure.
Stockbroker Mortgage Questions
Can I get a mortgage based on commission income as a stockbroker?
Yes. Most lenders will consider commission income as part of affordability assessment. High street lenders typically apply 50 to 75% of your two-year average commission. Specialist lenders can use 100% of the two-year average where the payments are consistent and well-documented. The key requirement across all lenders is an evidenced history of commission, typically two years of payslips or SA302 returns.
How much can a stockbroker borrow for a mortgage in the UK?
Borrowing capacity depends on how much of your commission and bonus income is accepted by the lender and what income multiple they apply. High street lenders typically offer 4.5x of partially assessed income. Specialist lenders can offer up to 6x of fully assessed income where the total exceeds £60,000. A stockbroker with £65,000 base and £55,000 average commission could borrow £416,250 at high street or up to £720,000 through a specialist lender, from the same total income.
Do mortgage lenders treat discretionary bonuses differently from guaranteed bonuses?
Yes. Guaranteed bonuses, confirmed by contract, are generally taken in full. Discretionary bonuses, which are standard in most brokerage and wealth management roles, are treated more conservatively by high street lenders, who apply 50 to 75% of the two-year average. Specialist lenders can use up to 100% of the two-year average for discretionary bonuses where the payment history is consistent. If bonuses have grown significantly, some specialist lenders will weight the most recent year more heavily rather than taking a straight average.
What documents do I need for a stockbroker mortgage application?
For an employed PAYE stockbroker: three to twelve months of payslips showing commission payments, your most recent P60, and ideally an employer reference letter confirming the commission structure is ongoing. For self-employed IFAs: two years of SA302 tax calculations and tax year overviews, plus company accounts if operating through a limited company. For trail commission or RSU income, additional documentation such as vesting schedules or client book summaries will be required by specialist lenders.
Can I use trail commission as income for a mortgage?
Trail commission, income earned from the ongoing management of client assets rather than new business, can be considered as recurring income by a number of specialist lenders. You will need at least two years of consistent documented trail payments, and the income must appear in your SA302 or company accounts. High street lenders rarely have a defined policy for trail income. This is a case type where working with a specialist broker who understands how to package the application is important.
How are RSUs or deferred equity compensation treated in a mortgage application?
Restricted stock units and other deferred equity awards are treated inconsistently across lenders. Some specialist lenders and private banks will consider unvested RSUs as a contingent asset, which can support larger borrowing on a case-by-case basis. Others exclude them entirely and assess income from salary, commission, and vested awards only. Documentation required typically includes vesting schedules, award letters, and current share valuations. This is an area where lender selection and application packaging are critical.
Can a self-employed IFA with one year of accounts get a mortgage?
The majority of high street lenders require two years of accounts as a minimum. A small number of specialist lenders will consider applications from self-employed borrowers with twelve months of accounts, though typically at a lower income multiple and with tighter LTV constraints, often up to 75 to 80%. The application will need to show a strong income trajectory and, where available, management accounts for the current trading year. This is a narrower market but not inaccessible with the right lender match.
What LTV can a stockbroker access for a residential mortgage?
An employed PAYE stockbroker with a consistent income history can access up to 95% LTV through specialist lenders, meaning a 5% deposit is sufficient. Self-employed IFAs typically access up to 85 to 90% LTV with two years of accounts. For very high loan sizes or where income structure is complex, lenders may require a slightly larger deposit to reduce risk. High net worth borrowers using private bank products under the FCA high net worth definition can sometimes access 90% LTV on very large loan values.
Does FCA authorisation help with a mortgage application as a stockbroker?
FCA authorisation does not formally change lender criteria, but it supports the professional credibility of an application, particularly in specialist and private bank underwriting where a human underwriter reviews the case. It confirms the applicant operates in a regulated environment and has passed fit and proper requirements. Combined with recognised qualifications such as CISI membership or CFA designation, FCA status contributes to a strong application narrative for complex income cases.
Why use a specialist broker rather than going direct to a lender for a stockbroker mortgage?
Specialist lenders who offer 100% commission assessment and 6x income multiples do not take direct applications. They work exclusively through FCA-authorised mortgage brokers. Going direct to the high street limits you to products and methodologies that were not designed for commission-heavy income profiles. A specialist broker can access the full market, select the lender whose criteria best fit your specific income structure, and package the application to present your case accurately. The difference between the right lender and the wrong one, for a stockbroker with substantial variable income, is often more than £200,000 in maximum borrowing.
Related Guides
Complex Income Mortgages
How specialist lenders assess multiple income streams, bonus income, and non-standard pay structures for high earners.
High Earner Mortgages
Income multiples, specialist lender access, and how to maximise borrowing when your earnings exceed standard criteria.
Self-Employed Mortgages
SA302 assessment, limited company income, one-year accounts, and the lenders who take a pragmatic view of self-employed income.
Your home may be repossessed if you do not keep up repayments on your mortgage. Income multiples and LTV figures quoted are indicative based on current lender criteria and are subject to change. The rates and borrowing figures shown in worked examples are for illustration only and do not constitute a mortgage offer. Fox Davidson charges a broker fee; the amount will be confirmed at the start of your application.
Commission income and variable bonuses require lender selection that most applicants will not reach through direct comparison sites. A broker who understands how to present your income structure to the right lender.