Can I claim capital allowances on a car?

Claiming Capital Allowances on Your Business Car

10/04/2025

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Navigating the complexities of business taxation can often feel like a labyrinth, especially when it comes to claiming deductions for significant assets like vehicles. For many UK businesses, a car isn't just a mode of transport; it's a vital tool for operations, client meetings, and logistical support. Understanding how to correctly claim tax relief on these essential assets is crucial for optimising your financial position. This comprehensive guide will delve into the intricacies of claiming capital allowances on business cars, ensuring you're well-equipped to make informed decisions and maximise your eligible deductions.

Is a black cab a private vehicle?
A black cab is of course of a vehicle of a 'type not commonly used as a private vehicle', but is it 'unsuitable for such use'? The answer may be found in HMRC's manual CA23510, which states that Hackney carriages should not be treated as cars for capital allowances purposes. Consequently, Hackney carriages are eligible for AIA.
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Understanding Capital Allowances for Business Cars

Capital allowances are a form of tax relief that allows businesses to deduct a portion of the value of certain assets from their taxable profits. Essentially, instead of deducting the full cost of an asset in the year it's purchased, capital allowances spread the deduction over several years, reflecting the asset's depreciation. For businesses, this means a lower profit figure, which in turn leads to a reduced tax bill. When it comes to cars used in your business, you can indeed claim capital allowances, but the method and rates depend on several factors.

The primary method for claiming these allowances is through writing down allowances. This involves deducting a percentage of the car's value from your profits each year. However, certain vehicles, particularly those with low or zero CO2 emissions, may qualify for a more generous 100% first-year allowance, allowing you to deduct the entire cost in the year of purchase. It's important to note that cars generally do not qualify for other common capital allowance schemes such as Annual Investment Allowance (AIA), Super-Deduction, Full Expensing, or 50% First-Year Allowances, which apply to other types of plant and machinery.

Who Can Claim Capital Allowances on Cars?

The ability to claim capital allowances on a business car hinges on your business structure and your role within it:

  • Businesses (Companies, Sole Traders, Partnerships): If you run a limited company, partnership, or are a sole trader, you are generally eligible to claim capital allowances on cars you purchase and use for business purposes.
  • Sole Traders and Partnerships: While you can claim capital allowances, you also have an alternative: simplified mileage expenses. This method involves claiming a fixed rate per mile for business travel, covering fuel, insurance, and wear and tear. You cannot claim both simplified mileage expenses and capital allowances for the same vehicle. Once you've claimed for a vehicle in one way, you're committed to that method. This option is not available for partnerships that include company partners.
  • Employees: If you are an employee, you cannot claim capital allowances for cars, motorbikes, or bicycles used for work. However, you may be able to claim for business mileage and fuel costs directly from your employer, or as a deduction against your income if your employer doesn't reimburse you adequately.

Defining a 'Car' for Capital Allowance Purposes

The term 'car' for capital allowance purposes isn't always straightforward. HMRC has specific criteria to determine what counts as a car, and therefore, what is subject to the car allowance rules:

  • A vehicle that is suitable for private use. This broad definition includes vehicles like motorhomes.
  • A vehicle that most people use privately. This criterion helps distinguish between vehicles primarily designed for personal transport and those primarily for commercial purposes.
  • A vehicle that was not built for transporting goods. This is a crucial distinction, as vehicles built for goods transport often qualify for more generous allowances like AIA.

What Vehicles Do Not Count as 'Cars'?

Crucially, certain vehicles do not fall under the 'car' definition for capital allowances, meaning they can qualify for different, often more beneficial, allowance schemes like the Annual Investment Allowance (AIA). These include:

  • Motorcycles: With the exception of those bought before 6 April 2009.
  • Lorries, Vans, and Trucks: These are considered commercial vehicles designed for transporting goods, and thus are treated differently for tax purposes.

The distinction is vital because vehicles that do not count as cars can often benefit from 100% relief through AIA or other full expensing provisions, allowing for a much quicker tax deduction of their full cost.

Claim Rates for Business Cars

Once you've established that your vehicle qualifies as a 'car' for capital allowance purposes, the next step is to determine which rate you can claim. There are three primary rates:

  • 100% First-Year Allowances (FYA): This allows you to deduct the full value of the car from your profits in the year you buy it. This is typically reserved for new, unused cars with very low or zero CO2 emissions.
  • 18% Main Rate Allowances: Applied to the car's value, this rate is used for most standard business cars that don't qualify for the 100% FYA or the special rate.
  • 6% Special Rate Allowances: This lower rate applies to cars with higher CO2 emissions.

The specific rate you can claim depends on two key factors: when you bought the car and its CO2 emissions. It's important to check your car's CO2 emissions figure, usually found on its V5C registration document or by searching online using the vehicle's registration number.

For businesses paying Corporation Tax, these rates apply from 1 April. For businesses paying Income Tax (sole traders and partnerships), they apply from 6 April. The 100% first-year allowances rate applies from 1 April for all businesses.

Detailed Breakdown of Claim Rates by Purchase Date and CO2 Emissions

The rules for claiming capital allowances on cars have evolved over time, primarily driven by environmental policies. Here's a detailed breakdown based on the purchase date and CO2 emissions:

Cars Bought from April 2021 Onwards

Description of CarWhat You Can Claim
New and unused, CO2 emissions are 0g/km (or car is electric)100% First-Year Allowances
Second-hand electric carMain Rate Allowances (18%)
New or second-hand, CO2 emissions are 50g/km or lessMain Rate Allowances (18%)
New or second-hand, CO2 emissions are over 50g/kmSpecial Rate Allowances (6%)

Cars Bought Between April 2018 and April 2021

Description of CarWhat You Can Claim
New and unused, CO2 emissions are 50g/km or less (or car is electric)100% First-Year Allowances
Second-hand electric carMain Rate Allowances (18%)
New or second-hand, CO2 emissions are 110g/km or lessMain Rate Allowances (18%)
New or second-hand, CO2 emissions are over 110g/kmSpecial Rate Allowances (6%)

Cars Bought Between April 2015 and April 2018

Description of CarWhat You Can Claim
New and unused, CO2 emissions are 75g/km or less (or car is electric)100% First-Year Allowances
Second-hand electric carMain Rate Allowances (18%)
New or second-hand, CO2 emissions are 130g/km or lessMain Rate Allowances (18%)
New or second-hand, CO2 emissions are over 130g/kmSpecial Rate Allowances (6%)

Cars Bought Between April 2013 and April 2015

Description of CarWhat You Can Claim
New and unused, CO2 emissions are 95g/km or less (or car is electric)100% First-Year Allowances
Second-hand electric carMain Rate Allowances (18%)
New or second-hand, CO2 emissions are 130g/km or lessMain Rate Allowances (18%)
New or second-hand, CO2 emissions are over 130g/kmSpecial Rate Allowances (6%)

Cars Bought Between April 2009 and April 2013

Description of CarWhat You Can Claim
New and unused, CO2 emissions are 110g/km or less (or car is electric)100% First-Year Allowances
New or second-hand, CO2 emissions are 160g/km or lessMain Rate Allowances (18%)
Second-hand electric carMain Rate Allowances (18%)
New or second-hand, CO2 emissions are over 160g/kmSpecial Rate Allowances (6%)

Cars Bought Before April 2009

For any cars purchased before April 2009, the balance of their value should be moved to your main rate allowances pool when calculating your claim. This simplifies the ongoing calculation for older vehicles.

What if your car does not have an emissions figure? In such cases, you should generally use the special rate. However, if the car was registered before 1 March 2001, you can use the main rate instead.

Using Business Cars for Private Purposes

It's common for business vehicles, especially for sole traders and partners, to have a dual purpose – used for both business and private travel. This dual use affects how you calculate your capital allowances:

  • Sole Traders and Partnerships: If you use your car for both business and personal journeys, you must apportion your capital allowance claim based on the percentage of business use. For example, if 70% of the car's mileage is for business, you can only claim 70% of the eligible capital allowance amount. Keep accurate records of your business and private mileage to justify your claim.
  • Company Cars for Employees or Directors: If your business provides a car for an employee or director, you can claim capital allowances on the full cost of the car, even if they use it personally. However, if the employee or director uses the car for private purposes, it usually constitutes a 'company benefit' (or 'benefit in kind'). Your business may need to report this to HMRC, and the employee or director may face personal tax implications. This is an important consideration for companies providing vehicles as part of an employment package.

Key Considerations and Exclusions

While capital allowances offer a valuable way to reduce your tax burden, it's crucial to remember a few key points:

  • No AIA for Cars: As mentioned, cars (as defined for capital allowance purposes) do not qualify for Annual Investment Allowance (AIA). This means you cannot simply deduct the full cost of a standard car in the first year like you might for other qualifying plant and machinery.
  • Writing Down Allowances: For most cars, you'll be using writing down allowances. This means you deduct a percentage of the remaining value each year, not the original cost. The value of the asset reduces over time in your capital allowance calculations.
  • Keep Records: Maintaining thorough records of your car's purchase, CO2 emissions, and business mileage (if applicable) is essential. HMRC may request these records to verify your claims.

Frequently Asked Questions (FAQs)

Q1: Can I claim Annual Investment Allowance (AIA) on a car?

No, cars as defined for capital allowance purposes do not qualify for Annual Investment Allowance (AIA). AIA is typically for other types of plant and machinery, not standard business cars. Vehicles that are *not* considered cars (like vans or lorries) can qualify for AIA.

Q2: What if my business car is electric? Does it qualify for special treatment?

Yes, electric cars often qualify for the most generous capital allowance. If your electric car is new and unused, it will qualify for 100% First-Year Allowances, allowing you to deduct its full cost in the year of purchase. Second-hand electric cars typically qualify for Main Rate Allowances (18%).

Q3: I'm an employee and use my own car for work. Can I claim capital allowances?

No, as an employee, you cannot claim capital allowances for cars, motorbikes, or bicycles you use for work. However, you may be able to claim for business mileage and fuel costs, either reimbursed by your employer or as a deduction on your personal tax return if not fully reimbursed.

Q4: What's the difference between simplified mileage expenses and capital allowances for sole traders?

Simplified mileage expenses allow sole traders and eligible partnerships to claim a fixed rate per business mile (e.g., 45p for the first 10,000 miles, then 25p). This covers all vehicle costs. Capital allowances, on the other hand, allow you to deduct a percentage of the car's purchase price from your profits over several years. You must choose one method for a vehicle and stick with it; you cannot claim both.

Q5: How do CO2 emissions affect my capital allowance claim?

CO2 emissions are a crucial factor. Cars with lower CO2 emissions (or zero emissions) generally qualify for higher rates of capital allowance, such as the 100% First-Year Allowance or the 18% Main Rate. Cars with higher CO2 emissions are typically placed in the 6% Special Rate pool, meaning the tax relief is slower. The specific CO2 thresholds have changed over the years, so it's important to refer to the tables for the relevant purchase period.

Q6: What records do I need to keep for capital allowance claims on my car?

You should keep records of the car's purchase invoice, proof of payment, its CO2 emissions figure, and details of how it is used for business (e.g., mileage logs if there's private use). These records are essential for justifying your claim to HMRC.

Conclusion

Claiming capital allowances on your business car is a valuable opportunity to reduce your taxable profits and, consequently, your tax liability. However, it's clear that the rules are nuanced, with different rates and eligibility criteria based on the vehicle's CO2 emissions, whether it's new or second-hand, and the date of purchase. For sole traders and partnerships, the choice between capital allowances and simplified mileage expenses also adds another layer of consideration. Understanding these distinctions, and keeping meticulous records, is paramount to ensuring you claim correctly and maximise your tax relief. If in doubt, particularly with complex scenarios or significant vehicle investments, seeking advice from a qualified tax advisor is always recommended to ensure full compliance and optimal financial outcomes for your business.

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