Tax Planning

What can accounting contractors claim when working from home?

Accounting contractors can claim significant tax relief on home office expenses. From utility bills to office equipment, understanding what's claimable is crucial. Modern tax planning software simplifies tracking and calculating these deductions accurately.

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Understanding Home Working Expenses for Accounting Contractors

As an accounting contractor working from home, you're entitled to claim tax relief on various expenses directly related to your business activities. Many contractors miss out on legitimate claims simply because they're unaware of what's allowable or find the record-keeping too burdensome. The key is understanding that HMRC allows you to deduct reasonable expenses incurred "wholly and exclusively" for business purposes from your taxable profits. This comprehensive guide will walk through exactly what you can claim and how to maximise your tax position legally and efficiently.

Working from home has become the norm for many accounting professionals, but the tax implications are often overlooked. Whether you're a limited company contractor or operating through your own personal service company, identifying and claiming appropriate expenses can significantly reduce your tax liability. The question of what can accounting contractors claim when working from home becomes particularly important when you consider that even small regular claims can add up to substantial savings over a tax year.

Allowable Home Office Expenses

HMRC recognises several categories of expenses that accounting contractors can claim when working from home. The most common include:

  • Utility bills - A proportion of your gas, electricity, and water bills based on the business use of your home
  • Internet and phone costs - The business percentage of your broadband and mobile phone contracts
  • Council tax and rent - A reasonable portion if you have a dedicated home office space
  • Office equipment - Computers, printers, desks, chairs, and other necessary equipment
  • Business insurance - Specific insurance for your home office or business equipment
  • Cleaning costs - For your dedicated office space only

For the 2024/25 tax year, you can use HMRC's simplified expenses method of £6 per week (£312 annually) without needing to provide detailed calculations. However, if your actual costs are higher, it's often beneficial to calculate the precise business proportion. This is where understanding exactly what can accounting contractors claim when working from home becomes financially advantageous.

Calculating Your Home Office Proportion

The most accurate method for calculating home office expenses involves determining the business use proportion of your home. This typically considers both the space used and the time spent working. For example, if your home office occupies 10% of your total floor space and you use it exclusively for business 5 days per week, your claimable proportion would be approximately 2% of your total household costs (10% space × 5/7 days).

Let's consider a practical example: If your annual household costs total £15,000 (including utilities, council tax, insurance, and rent/mortgage interest), a 2% business use claim would give you £300 in deductible expenses. This exceeds the simplified £312 claim, making the detailed calculation more beneficial. Many accounting contractors find that using dedicated tax calculation software helps automate these complex calculations and ensures accuracy.

Capital Expenditure and Equipment Claims

Beyond running costs, accounting contractors can claim for equipment purchases through capital allowances or the Annual Investment Allowance (AIA). The AIA allows you to deduct the full value of equipment purchases from your profits before tax, up to £1 million annually. This covers computers, office furniture, and other equipment necessary for your contracting work.

For instance, if you purchase a £2,000 computer system exclusively for business use, you can claim the entire amount against your taxable profits. Similarly, a £500 office chair and £300 printer would be fully deductible. Understanding what can accounting contractors claim when working from home extends to these larger purchases, which can significantly reduce your corporation tax bill if you operate through a limited company.

Mixed Use Items and Apportionment

Many accounting contractors struggle with items that have both business and personal use. Mobile phones, internet connections, and even vehicles may fall into this category. The key is to apportion costs reasonably based on actual business usage. For mobile phones, if you have a separate business contract, the entire cost is claimable. If it's a personal contract with business use, you can only claim the business percentage.

Internet costs present a common challenge. If you work from home regularly, apportioning 25-40% of your broadband cost to business use is typically reasonable, depending on your usage patterns. Documenting your calculation method is crucial for HMRC compliance. Modern tax planning platforms can help track and calculate these apportionments automatically, reducing the administrative burden.

Record Keeping and Compliance Requirements

HMRC requires you to maintain records supporting your expense claims for at least 5 years after the 31 January submission deadline of the relevant tax year. This includes receipts, bills, bank statements, and calculations demonstrating how you arrived at your claimed amounts. Poor record keeping is one of the main reasons contractors face compliance issues or miss out on legitimate claims.

When considering what can accounting contractors claim when working from home, it's essential to balance maximising your claims with maintaining full compliance. The penalties for incorrect claims can be substantial, ranging from 0-30% of the additional tax due for careless errors, to 70-100% for deliberate understatements. Using systematic approaches through dedicated software helps ensure both optimisation and compliance.

Using Technology to Simplify Claims

Modern tax planning software transforms how accounting contractors manage their expense claims. Instead of manual spreadsheets and paper receipts, digital solutions offer automated tracking, calculation, and reporting. Features like receipt scanning, automatic categorisation, and real-time tax calculations make understanding what can accounting contractors claim when working from home significantly easier.

Platforms like TaxPlan provide specific tools for contractors, including expense tracking dashboards, tax liability projections, and compliance checks. This technology not only saves time but ensures you're claiming everything you're entitled to while remaining fully compliant with HMRC requirements. The ability to model different scenarios helps contractors make informed decisions about their expense claims throughout the tax year.

Maximising Your Tax Position

Understanding what can accounting contractors claim when working from home is just the first step. Implementing a systematic approach to tracking, calculating, and claiming these expenses is where real tax savings occur. Regular reviews of your expense patterns, staying updated on HMRC guidance changes, and leveraging technology can help optimise your tax position significantly.

Many contractors find that professional guidance combined with modern software delivers the best results. While this guide covers the essentials, every contractor's situation is unique. Considering your specific circumstances and seeking appropriate advice ensures you maximise your claims while maintaining full compliance with HMRC regulations.

Frequently Asked Questions

What percentage of my utility bills can I claim?

You can claim a reasonable proportion of utility bills based on the business use of your home. The most accurate method calculates the percentage of floor space used exclusively for business and the time spent working from home. For example, if your home office occupies 15% of your total floor space and you use it 5 days weekly for business, you could claim approximately 10.7% of your utility costs (15% × 5/7). Many contractors use HMRC's simplified £6 per week allowance, but detailed calculations often yield higher claims, especially with substantial home office use.

Can I claim for my home internet costs?

Yes, accounting contractors can claim a business proportion of home internet costs. If you have a single broadband connection used for both personal and business purposes, you need to apportion the cost reasonably. A typical claim ranges from 25-40% depending on your business usage patterns. If you have a dedicated business broadband line, you can claim 100% of the cost. Keep detailed records of your calculation method and consider using tax planning software to track and calculate these apportionments automatically throughout the tax year.

What equipment purchases are fully deductible?

Equipment used exclusively for your contracting business is fully deductible through capital allowances or the Annual Investment Allowance (AIA). This includes computers, monitors, printers, office furniture, and specialized accounting software. The AIA limit is £1 million for 2024/25, covering most contractor equipment needs. For example, a £1,500 computer system, £400 office chair, and £250 printer would all be fully deductible against your business profits. Items with mixed personal and business use require apportionment based on actual business usage patterns.

How long should I keep expense records?

HMRC requires you to maintain expense records for at least 5 years after the 31 January submission deadline of the relevant tax year. This includes all receipts, bills, bank statements, and calculations supporting your claims. For the 2024/25 tax year (deadline 31 January 2026), you must keep records until at least 31 January 2031. Digital record-keeping through tax planning software simplifies this process with automatic cloud storage and organisation. Proper documentation is essential if HMRC enquires into your tax return and can prevent penalties for inadequate record-keeping.

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