Use of Home as Office Calculator

Working from home (self-employed)

Which method gives the bigger deduction, HMRC's flat rate or your actual costs?

Hours worked from home per month

The flat rate needs at least 25 hours a month.

For the actual-costs method

Total annual home running costs

Heating, electricity, council tax, rent or mortgage interest, water, broadband.

Rooms in home

Used for work

Business use of those rooms:

Your tax rate

Best deduction

via the method, saving about in tax.

Simplified flat rate

Actual costs

Estimate only. The simplified flat rate covers utilities only, you can still claim a business share of broadband/phone separately. Limited companies use different rules.

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