Need clarity on tax relief in the UK?
Understanding how to claim tax relief in the UK helps you cut your tax bill legally and keep more of what you earn. With the right accounting services, you’ll spot the reliefs you’re entitled to and avoid leaving money on the table.
Tax relief comes in many shapes and sizes, from everyday job expenses to pension contributions and creative industry incentives.
Whether you’re an employee, self-employed, a landlord, or running a limited company, knowing what you can claim is the first step. If you’re a director, it also helps you plan ahead for things like how to pay Corporation Tax, so nothing catches you off guard.
This guide keeps things simple. You’ll learn:
- What tax relief actually means
- The main UK tax reliefs you can claim
- Who qualifies and what HMRC looks for
- How to claim, with practical examples
- How to stay compliant without the admin headache
Need clarity on tax relief in the UK?
What is Tax Relief in the UK?
Tax relief in the UK reduces the amount of tax you pay, helping you keep more of your income. It applies when you spend money on certain things that HMRC sees as beneficial for work, life, or the wider economy, such as tools, pension contributions, or charitable donations.
Most people qualify for at least one type of tax relief. Some reliefs apply automatically, while others need a claim, so knowing the difference can make a real impact on your take-home pay.
An example of Tax Relief in the UK
Think of tax relief as a legal discount on your tax bill. For example, if you earn £35,000 and put £2,000 into your pension, you are not taxed on that £2,000. Instead, the tax is redirected into your retirement pot, meaning you save today while planning for tomorrow.
The same idea applies to job expenses or donations. If the cost meets HMRC’s rules, you can reduce your taxable income or get a refund.
When tax relief applies automatically vs when you need to claim
Some reliefs are applied for you. Pension contributions through your employer, for instance, usually receive tax relief automatically before your wages are taxed.
Others need a claim. If you buy work tools, pay professional fees, or travel to a temporary workplace, HMRC does not know about it unless you tell them. In these cases, you claim through your tax code, a P87 form, or your self-assessment return.
What tax reliefs can you claim in the UK?
The UK offers a wide range of tax reliefs for employees, self-employed people, landlords, and limited companies. This table gives you a quick overview of what may apply to you.
Summary of UK tax reliefs
Category | Common reliefs you can claim |
Employees | Working-from-home costs, uniforms and tools, mileage for temporary workplaces, professional fees, flat-rate expenses |
Self-employed | Allowable expenses, home working costs, vehicle mileage, capital allowances |
Landlords | Replacement of domestic items, mortgage interest credit, Rent-a-Room relief |
Everyone | Pension contributions, Gift Aid, Marriage Allowance, childcare relief, qualifying loan interest |
Limited companies | Corporation Tax deductions, Annual Investment Allowance, R&D relief, Patent Box, creative industry reliefs, business rates relief |
Tax reliefs for employees
Employees can claim relief on work costs they pay personally.
Working-from-home tax relief
If your job requires home working, you can claim for increased household costs such as electricity and business calls. You can learn more in our guide to claiming tax back for working from home .
Uniforms, tools and protective clothing
If your job needs specific equipment or clothing, you can claim for buying, repairing, or cleaning it.
Professional fees and subscriptions
Fees paid to approved professional bodies that help you do your job may be eligible.
Travel and mileage for temporary workplaces
You can claim for business travel that is not your normal commute.
Flat-rate expenses
Some industries have set amounts you can claim each year without keeping receipts.
Tax reliefs for self-employed individuals
1. Allowable business expenses
This includes insurance, software, office supplies, and marketing. See more examples in our guide to self-assessment expenses .
2. Working-from-home costs
You can claim a fair proportion of household bills based on your business use.
3. Vehicles and business mileage
Use HMRC’s approved mileage rates or claim actual running costs.
4. Capital allowances
Equipment and machinery may qualify for capital allowances or the Annual Investment Allowance.
Tax reliefs for landlords
1. Replacement of domestic items
You can claim for replacing furnishings like sofas, beds, or white goods in a rental property.
2. Mortgage interest tax credit
You receive a 20 percent tax credit on mortgage interest, rather than deducting it from rental income.
3. Rent-a-Room relief
You can earn up to £7,500 tax-free when renting out a furnished room in your home.
Tax reliefs everyone can access
1. Pension tax relief
Your pension contributions reduce your taxable income, and basic-rate relief is added to your pot automatically.
2. Gift Aid and charitable donations
Charities reclaim basic-rate tax on your donation. Higher-rate taxpayers claim extra through self-assessment.
3. Marriage Allowance
A lower-earning partner can transfer part of their Personal Allowance to a basic-rate taxpayer.
4. Childcare relief
Tax-Free Childcare provides a top-up of up to £2,000 per child each year.
5. Qualifying loan interest
Interest on specific loans, for example used to invest in a partnership, may qualify for relief.
Tax reliefs for limited companies
1. Corporation Tax allowable costs
Most day-to-day business running costs are deductible.
2. Annual Investment Allowance
You can deduct the full cost of qualifying equipment in the year it’s purchased.
3. Research and Development relief
Innovative companies may reduce their Corporation Tax bill or claim cash credits.
4. Patent Box
Profits from patented inventions can qualify for a lower Corporation Tax rate.
5. Creative industry reliefs
Film, TV, and gaming companies can claim additional deductions for production costs.
6. Business rates relief
Some business properties qualify for reduced business rates, depending on size and use.
Who is eligible for tax relief?
Most people who pay tax in the UK can claim at least one type of tax relief. Eligibility depends on your employment status, how you earn your income, and whether your costs meet HMRC’s rules.
Basic eligibility rules
You may be able to claim tax relief if you:
- Pay Income Tax or Corporation Tax
- Pay for specific costs that are necessary for work or business
- Make pension contributions or charitable donations
- Run a property business as a landlord
- Earn income as a sole trader or through a limited company
If you are new to working for yourself, our guide on registering as self-employed explains how tax status affects what you can claim.
Keep one digital folder for receipts, mileage logs and invoices so every tax relief claim becomes a two-minute job rather than a scramble at year end.
HMRC’s ‘wholly and exclusively’ test
HMRC uses a simple rule when deciding if a cost qualifies. It must be incurred wholly and exclusively for your work, business, or income-generating activity. A cost that is partly personal, such as broadband used for home and leisure, usually needs a fair and reasonable split.
Keeping receipts, invoices, and clear notes helps HMRC approve claims quickly. It also protects you if your tax return is checked and supports clean financial record-keeping throughout the year.
How to claim tax relief in the UK
Claiming tax relief is simple once you know which system applies to you. The route depends on whether you are employed, self-employed, or running a limited company.
Claiming as an employee
1. Use a P87 form or adjust your tax code
You can claim tax relief on job expenses using a P87 form or by asking HMRC to update your tax code. This is common for uniforms, tools, mileage, and approved subscriptions.
2. Check the HMRC rules before you claim
You can confirm what counts as an allowable expense on the HMRC page for Expenses for Employees. It helps ensure your claim is accurate.
Claiming through self-assessment
1. Add your expenses, donations, or reliefs to your return
If you file a self-assessment return, you claim tax relief when you enter your business expenses, pension contributions, or Gift Aid donations in the relevant sections.
2. Keep your numbers clean and consistent
Your return must match your receipts and records. If you are new to the process, see our guide on how to file a self-assessment tax return.
Claiming as a limited company
1. Add allowable costs to your company accounts
You claim Corporation Tax relief by recording your business expenses accurately in your company accounts. Only costs incurred wholly and exclusively for the business qualify.
2. Submit your claim through the CT600
Reliefs such as R&D, capital allowances, and creative industry reliefs are claimed through your CT600. Supporting calculations help HMRC process your claim smoothly.
How far back you can claim
1. You can claim tax relief for up to four previous tax years
If you missed a relief in an earlier year, you can amend your claim as long as it falls within this four-year window.
2. HMRC will adjust your tax code or issue a repayment
For older claims, HMRC may refund you directly. For current claims, your tax code is updated to reflect what you’re owed.
Records you need to keep
1. Keep receipts, invoices and mileage logs
Accurate records make claiming tax relief easy and reduce the risk of errors.
2. Store everything digitally for quick access
Apps and cloud folders help you track costs in real time. This reduces last-minute stress at tax return time.
How Sleek helps you maximise your tax relief, minus any headaches
Knowing which reliefs apply to you can make a real difference to your cash flow. Once you understand your key dates, records, and claim routes, managing tax relief becomes much simpler.
With the right accounting support, you can stay compliant while keeping more of what you earn.
Make tax relief a stress-free part of your routine.
FAQs on how to claim tax relief in the UK
What is tax relief in the UK?
Tax relief reduces the amount of tax you pay by allowing you to deduct certain costs or receive credits for qualifying spending. This can apply to job expenses, pension contributions, charitable donations, rental property costs, and business expenses.
How does tax relief work in the UK?
Tax relief works by reducing your taxable income or giving you a credit against the tax you owe. Some reliefs apply automatically through payroll, while others must be claimed from HMRC. Keeping clean records makes the process quick and accurate.
How do I claim tax relief in the UK?
Employees can claim using a P87 form or a tax code adjustment. Self-employed people claim through their self-assessment return, while limited companies use their CT600. Our guide on how to file self-assessment explains the process step by step.
How far back can I claim UK tax relief?
You can claim back tax relief for up to four previous tax years. HMRC may update your tax code or send a refund depending on how old the claim is.
What is pension tax relief in the UK?
Pension tax relief lets you save into your pension without paying tax on the amount you contribute. Basic-rate relief is usually added automatically, while higher-rate taxpayers claim extra through self-assessment.
What does tax relief mean for self-employed people?
Self-employed workers can deduct allowable business expenses to reduce their taxable profit. This includes software, insurance, marketing, travel, and home working costs.
How do I know which expenses are tax deductible?
HMRC requires expenses to be “wholly and exclusively” for your work or business. If a cost has both personal and business use, you can only claim the business portion. Our guide on sole trader expenses shows what you can deduct and how to calculate each claim.
Disclaimer: The preceding information is not legal advice. This content is aimed to provide general guidance. For more formal or legal advice, contact Sleek directly.
