Self-Employment

Working From Home Tax Relief UK — Claim Back What You're Owed

How to claim tax relief for working from home in the UK. HMRC rules for employees, sole traders, and limited company directors, including simplified expenses.

Working from home has become standard for many UK workers. Whether you are employed, a sole trader, or a limited company director, there are legitimate ways to reduce your tax bill for the costs of working from home.

Who Can Claim?

StatusCan Claim?Condition
Sole traderYesWork from home for business
Limited company directorYesCompany reimburses or pays allowance
Employee (required by employer)YesEmployer requires you to work from home
Employee (choose to)NoChoosing to work from home is not enough
Hybrid workerDependsCan claim for days required to work from home

For Sole Traders

Option 1: Simplified Expenses (Flat Rate)

Monthly Hours Worked From HomeMonthly Deduction
25–50 hours£18
51–100 hours£26
101+ hours£36

Pros: Simple, no receipts needed, easy to calculate. Cons: Usually less beneficial than actual costs.

Option 2: Actual Costs (Proportional)

Calculate the proportion of household expenses attributable to business use:

ExpenseAnnual Cost (Example)Business Use (Example 20%)Claimable
Gas/electricity£2,00020%£400
Council tax£1,80020%£360
Water£50020%£100
Broadband£40075%£300
Home insurance£30020%£60
Rent (if renting)£12,00020%£2,400
Mortgage interest (NOT capital)£6,00020%£1,200

How to calculate the proportion:

MethodCalculation
By roomIf 1 of 5 rooms is used as an office = 20%
By timeIf used as office 8 hours/day = 33%
CombinedRoom proportion × time proportion

Simplified vs Actual: Comparison

ScenarioSimplified (Full-Time)Actual (20% Proportion)
Annual deduction£432 (£36 × 12)£1,420–£4,820
Record keepingNoneReceipts/evidence needed
ComplexityVery simpleModerate

Actual costs are almost always more beneficial for full-time home workers. Use simplified expenses if you work from home only occasionally.

For Employees

When You Can Claim

ScenarioCan Claim?
Employer has no office space for youYes
Employer requires you to work from homeYes
You live too far from the officeNo
You choose to work from homeNo
Hybrid — employer requires some home daysYes (for required days)

How to Claim (Employees)

MethodAmountEvidence
Flat rate£6/week (£312/year)No evidence needed
Actual costsProportional household costsFull records required

Tax Relief Calculation (Flat Rate)

Tax BandWeekly ReliefAnnual Relief
Basic rate (20%)£1.20/week£62.40/year
Higher rate (40%)£2.40/week£124.80/year
Additional rate (45%)£2.70/week£140.40/year

Claim via:

  • Self Assessment tax return (if you file one)
  • P87 form (if you do not file Self Assessment)
  • Online portal for the current and previous 4 tax years

For Limited Company Directors

Option 1: Flat Rate Payment

ComponentDetail
AmountUp to £6/week (£26/month)
Tax treatmentTax-free for the director; corporation tax deduction for company
Evidence neededNone for this amount
How to payCompany pays director; record in accounts

Option 2: Reimbursement of Actual Costs

ComponentDetail
AmountProportional share of actual household costs
Tax treatmentTax-free for director if evidenced; corporation tax deduction for company
Evidence neededYes — detailed records, invoices, calculations
RiskHMRC may challenge if amounts seem excessive

Option 3: Rent a Room to Your Company

ComponentDetail
How it worksYou charge your company rent for use of a room
Tax treatmentRental income for you (may use Rent a Room relief up to £7,500)
Corporation taxDeductible expense for the company
ComplexityHigher — needs formal licence agreement

Capital Gains Tax Warning

If you use part of your home exclusively for business:

  • That area could be subject to Capital Gains Tax when you sell
  • Private Residence Relief may not fully apply
  • Solution: Use the room for both business and personal purposes (even occasionally)

What You Cannot Claim

CostClaimable?
Mortgage capital repaymentsNo (interest only for sole traders)
Food and drinkNo
Clothing (non-uniform)No
Furniture for personal roomsNo
Garden maintenanceNo
Repairs to non-business areasNo

Equipment and Furniture

Separate from home expenses, you can claim for items bought for work:

ItemTax Treatment
Desk, chair (sole trader/company)Deductible expense
Computer, monitorDeductible expense (or capital allowance)
Stationery, printerDeductible expense
Software/subscriptionsDeductible expense

For more on self-employment expenses, see our self-assessment guide and tax allowances guide.