Barnet tax returns for families, landlords and business owners

Do I need to file a tax return in Barnet?

Put simply: you need a return if you have self-employment, rental, investment or foreign income, or if HMRC asks you to file.

As a Barnet accountant we work with family-run businesses in Finchley and Edgware, landlords with properties across north London, retired residents with pensions and investments, and professionals commuting into central London. Barnet is London’s most populous borough, and its tax returns are as varied as its residents.

We look at the whole household picture and highlight sensible planning, such as using both spouses’ allowances.

Common reasons HMRC needs a tax return

• You are self-employed or a partner in a business
• You earn rental income over £1,000
• You receive dividends above £500
• You made capital gains above £3,000
• You have foreign income
• You or your partner earn over £60,000 and get Child Benefit
• HMRC sent you a notice to file

Self-employed tax returns in Barnet

Many Barnet businesses are run by families, often as partnerships between spouses. We prepare partnership and personal returns together so profit shares and allowances are used efficiently. See self-employed accountants and add bookkeeping if you would like records kept for you.

Landlord tax returns in Barnet

Barnet landlords often hold several properties built up over many years. We prepare clear property-by-property schedules, track losses and plan for Capital Gains Tax when passing property on or selling. Mortgage interest relief is a 20% tax credit, rising to 22% from April 2027 when property income gets its own 22%, 42% and 47% rates. More on landlord tax returns; for missed rent, the Let Property Campaign.

Pensions and retirement income

Retired residents with several pensions, savings interest and investment income may need a return, especially if PAYE does not collect all the tax. We check tax codes, claim the personal savings allowance and starting rate for savings where available, and report everything accurately.

Partnership tax returns

Partnerships, from family shops to professional practices, file a partnership return (SA800) plus each partner’s own return. We prepare both so the profit shares match. See partnership tax returns.

Capital Gains Tax reporting

Gains above the £3,000 annual exempt amount are taxed at 18% or 24%. A UK home you sell that is not your main residence must be reported, with tax paid, within 60 days of completion. Our Capital Gains Tax team handles both returns.

Foreign income reporting

UK residents are usually taxed on worldwide income, with foreign tax credit relief for tax paid abroad. Missed foreign income can be put right through the Worldwide Disclosure Facility.

Crypto tax reporting

Selling, swapping or spending crypto can create a gain, and staking is usually income. We apply HMRC’s pooling rules; see crypto tax returns.

What to send us for your Barnet tax return

Most clients only need a few documents. We send a tailored checklist after your first call.

• P60 or payslips from any employment
• Bank statements or invoices for self-employed income
• Receipts for business costs, or a simple spreadsheet
• Rent statements from your letting agent
• Mortgage interest statements for rental properties
• Dividend vouchers and investment statements
• Details of any overseas income and tax paid abroad

Penalties for late filing

What if I miss the deadline? For returns up to 2025/26: £100 immediately, £10 a day after three months (up to £900), then 5% or £300 at six and twelve months. A points-based system applies to everyone from April 2027.

Why Barnet clients choose Wingate

• Chartered Certified Accountants and HMRC registered tax agent
• Fixed fees from £150, VAT included
• Experience with landlords, the self-employed, partnerships, investors and overseas income disclosures
• Fast replies by phone, email or WhatsApp
• Also VAT returns, company accounts, payroll, HMRC disclosures and tax investigation support

Looking elsewhere in the capital? See Self Assessment tax returns in London.

Official guidance: Check if you need to send a Self Assessment tax return · Self Assessment deadlines