Exam Tutor
Tax & MTD Guide

The tax problem for an exam tutor is rarely the size of the income, it is the shape of it. A busy GCSE and A-level tutor might run six recurring weekly slots, take on a cluster of extra hours in the run-up to summer exams, teach two students online and three in their homes, and take payment in a confusing mix of bank transfers, a tutoring-platform payout and the odd bit of cash. Fees are small, frequent and easy to lose track of, and that fragmentation, not a shortage of expenses, is where tutors trip up at Self Assessment time.

This guide is built around how tutors actually earn: many small recurring fees, a seasonal spike around exam season, the trading allowance for those starting out, the home-office and resource costs that make up most deductions, and the VAT exemption that catches a lot of tutors by surprise. Capture every session as it happens and the annual return becomes a formality.

How Tax Works for a Self-Employed Tutor

As a sole trader you pay Income Tax on profit, which is your total tutoring income minus allowable expenses. For 2025/26 the personal allowance covers the first GBP 12,570, then you pay 20% to GBP 50,270, 40% to GBP 125,140 and 45% above, with the personal allowance tapering away between GBP 100,000 and GBP 125,140 to create an effective 60% band. Class 4 National Insurance is 6% on profit between GBP 12,570 and GBP 50,270 and 2% above, with Class 2 NIC settled through Self Assessment.

Scottish tutors pay Scottish Income Tax on their profit through six bands (19%, 20%, 21%, 42%, 45% and a 48% top rate) and carry an S-prefixed tax code, while National Insurance stays UK-wide. Welsh tutors have a C-coded tax code at rates currently matching the rest of the UK. Many tutors also hold a PAYE teaching or teaching-assistant job, which is the single most common reason a code looks wrong, so if a school salary seems to be distorting things, run your code through the tax code checker.

The Trading Allowance and Starting Out

Most tutors begin with a handful of students, often fitting sessions around a teaching post or studies. The GBP 1,000 trading allowance is built for exactly this. If your gross self-employed income from all tutoring is GBP 1,000 or less in a tax year, it is tax-free and you do not need to register for Self Assessment for it. Cross GBP 1,000, even by a pound, and you must register and report the full amount.

Once you are over the threshold you have a choice each year. You can deduct the flat GBP 1,000 trading allowance from your income instead of working out actual expenses, which is ideal for a tutor with very low costs. Or you can deduct your real allowable expenses if they come to more than GBP 1,000. You cannot do both, so total your costs and pick whichever leaves the lower profit. A tutor working online from their own bedroom with little outlay often does better claiming the GBP 1,000; one paying platform commission, buying resources and driving to students homes usually does better claiming actuals. If tutoring is a genuine sideline, our guide to side-hustle income covers how it interacts with a main job.

Allowable Expenses for Exam Tutors

An expense is allowable when incurred wholly and exclusively for the business. A tutor's list is dominated by resources, platform fees and home-office costs rather than expensive equipment.

Home-Office and Online Tuition Costs in Detail

Most exam tutors teach from home, in person at the kitchen table or online over video, so this is usually the largest single deduction. You can use HMRC's simplified flat rate based on the hours you work at home each month, which is quick and needs no receipts, or you can claim an actual proportion of household running costs (heat, light, broadband, and a share of rent or mortgage interest) based on the rooms used and time spent tutoring. A full-time home-based tutor running back-to-back online sessions often gets a noticeably larger deduction from the actual-cost method, so it is worth doing the sum both ways once and using the winner. Heavy broadband use for video tuition strengthens the case for the actual-cost route.

Mileage to Students Homes

If you travel to teach in students homes, the journeys between your home base and each student are normally business travel, claimable at HMRC's approved mileage rate of 45p per mile for the first 10,000 miles in the year and 25p thereafter. Keep a simple log of dates, destinations and miles. If, instead, you rent a fixed tutoring room or unit and travel to it daily, that journey is ordinary commuting and is not allowable, the same rule that catches every other trade.

What You Cannot Claim

The private share of dual-use broadband, phone and devices must be excluded, so if the family uses the same broadband, only the business proportion counts. Everyday clothing is never allowable, even a smart outfit for parents evenings or open days. Your own university or initial teacher-training fees are not deductible because they create a new skill rather than maintain an existing one, whereas a short exam-board refresher for a subject you already teach usually is. And the cost of getting set up before your tutoring trade has actually started is treated as pre-trading expenditure, claimed once you begin trading rather than ignored.

Multiple Income Streams: Keeping Them Straight

Tutors rarely have a single tidy source of money, and the streams are not all taxed the same way. Use the multiple-income tax calculator to see how they stack on top of each other.

The recurring mistake is mixing the PAYE personal allowance with the tutoring trade. If a school salary already uses your GBP 12,570 allowance, every pound of tutoring profit is taxed from the basic rate up, so set money aside accordingly rather than assuming the first chunk is tax-free.

Record-Keeping for Tutors

Because the money arrives as many small payments across cash, transfers and platform payouts, good records matter more than for almost any other deduction. Log each session with the date, student, fee and how it was paid as it happens, ideally in a spreadsheet or app rather than from memory in January. Reconcile platform payouts back to the gross fees and commission so your income matches the platform's annual figures, which HMRC can request. Keep a separate business bank account if you can, retain receipts for resources and a mileage log for home visits, and you will breeze through both Self Assessment and the new MTD quarterly cycle.

Worked Example: A Tutor on GBP 32,000

Take a home-based GCSE and A-level tutor with a mix of online and in-person students, totalling GBP 32,000 of fees for the year.

Income: GBP 32,000 (online tuition GBP 19,000, in-person tuition GBP 9,000, platform-sourced students GBP 4,000)

Allowable expenses:

• Laptop, webcam and graphics tablet (AIA, claimed in full): GBP 1,200
• Tutoring platform commission and software subscriptions: GBP 1,300
• Past papers, textbooks, printing and resources: GBP 500
• Home-office actual-cost proportion: GBP 1,500
• Mileage to in-person students (1,200 miles at 45p): GBP 540
• DBS renewal, advertising and website: GBP 360
• Accountancy and bank fees: GBP 400
• Total expenses: GBP 5,800

Taxable profit: GBP 32,000 minus GBP 5,800 = GBP 26,200

Income Tax: GBP 26,200 minus GBP 12,570 = GBP 13,630 at 20% = GBP 2,726

Class 4 NIC: GBP 13,630 at 6% = GBP 818

Total tax and NIC: GBP 3,544 for the year, before any Class 2 NIC settled through Self Assessment. Run your own figures through the sole trader tax calculator to sanity-check the number and set aside roughly a quarter of profit as you go.

VAT for Tutors: The Exemption That Catches People Out

This is the part tutors most often get wrong, in their favour. Private tuition in a subject ordinarily taught in a school or university, supplied by a sole-trader tutor teaching independently on their own account, is exempt from VAT. That means most one-to-one exam tutors charge no VAT and do not register, even if their fees climb past the GBP 90,000 registration threshold that applies to other trades.

The flip side is that you cannot reclaim VAT on your costs, but for a low-overhead trade that rarely matters. The exemption is personal to the individual tutor: if you incorporate and trade through a limited company, or you start supplying other tutors rather than teaching yourself, the exemption can fall away and normal VAT rules apply. Subjects clearly outside the school or university curriculum may also sit outside the exemption. If your model is anything other than you personally teaching mainstream exam subjects, check the position before assuming you are exempt.

MTD for Income Tax: What Changes for Tutors

Making Tax Digital for Income Tax Self Assessment replaces the once-a-year return with quarterly digital submissions and a year-end finalisation. The thresholds are based on gross income, not profit:

• April 2026: Combined trading and property income over GBP 50,000
• April 2027: Over GBP 30,000
• April 2028: Over GBP 20,000

For a tutor this is a genuine change of habit. Instead of pulling a year of scattered fees together each January, you record each session and payout digitally as it lands and send HMRC a summary every quarter. The upside is that the many-small-payments problem that makes tutoring returns so fiddly becomes far easier to manage when it is captured continuously. Note the threshold counts gross tutoring fees before the platform takes its cut, plus any rental income, so check your total turnover rather than your profit. Our guide to MTD for sole traders walks through what the quarterly rhythm looks like in practice.

Common Mistakes Exam Tutors Make

Not registering once over GBP 1,000. The trading allowance is a threshold, not a free pass at any level. Cross it and you must register for Self Assessment, even if tutoring is a sideline to a teaching job.

Recording income net of platform commission. Report the gross fee and deduct the platform's cut as an expense, otherwise your figures will not match the platform's records.

Losing cash and one-off sessions. A few cash or last-minute exam-season sessions are the easiest income to forget and the riskiest to omit.

Assuming you must register for VAT over GBP 90,000. Most sole-trader tutors are VAT-exempt on the tuition itself, so the usual threshold does not force registration, but check your structure first.

Assuming the PAYE allowance covers tutoring too. If a school salary already uses your personal allowance, your tutoring profit is taxed from the basic rate up, so set aside more than you expect.

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