Expenses if you’re self-employed

1. Overview

If you’re self-employed, your business will have various running costs. You can deduct some of these costs to work out your taxable profit as long as they’re allowable expenses.

ExampleYour turnover is £40,000, and you claim £10,000 in allowable expenses. You only pay tax on the remaining £30,000 – known as your taxable profit.

Allowable expenses don’t include money taken from your business to pay for private purchases.

Costs you can claim as allowable expenses

These include:

Contact the Self Assessment helpline if you’re not sure whether a business cost is an allowable expense.

You can’t claim allowable expenses for things that you buy and keep to use in your business, eg cars, desks or machinery – but you may be able to claim these costs as capital allowances.

Using something for both business and personal reasons

You might use some things for both business and private reasons. In these cases, you can only claim allowable expenses for the business costs.

ExampleYour mobile phone bills for the year total £200. Of this, you spend £130 on personal calls and £70 on business.

You can claim for £70 of business expenses.

Working from home

If you work from home, you may be able to claim a proportion of your costs for things like:

  • heating
  • electricity
  • Council Tax
  • mortgage interest
  • internet and telephone use

You’ll need to find a reasonable method of dividing your costs, eg by the number of rooms you use for business or the amount of time you spend working from home.

ExampleYou have 4 rooms in your home, one of which you use only as an office.

Your electricity bill for the year is £400. Assuming all the rooms in your home use equal amounts of electricity, you can claim £100 as allowable expenses (£400 divided by 4).

If you worked only one day a week from home, you could claim £14.29 as allowable expenses (£100 divided by 7).

Simplified expenses

You can avoid using complex calculations to work out your business expenses by using simplified expenses. Simplified expenses are flat rates that can be used for:

  • vehicles
  • working from home
  • living on your business premises
 

Author: MixoBiz

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