Lambeth tax returns from Brixton to Streatham

Who needs a tax return in Lambeth?

Quick answer: anyone in Lambeth with income or gains HMRC cannot tax through PAYE, from self-employment and rent to dividends and foreign income, normally needs a return.

As a Lambeth tax accountant we prepare returns for Brixton business owners and DJs, young professionals in Clapham with side income, owners of riverside flats in Vauxhall, and long-standing landlords in Streatham and Norwood. Many are filing for the first time after a change in circumstances, such as going freelance or letting a former home.

We guide first-time filers through registration, deadlines and payments on account, so the first January bill is no surprise.

Common reasons HMRC needs a tax return

• Profits from freelance or self-employed work
• Rent from a flat, house or room, above the £1,000 property allowance
• Dividends from your own company or shares
• Gains on property, shares or crypto
• Income from overseas savings, property or pensions
• The High Income Child Benefit Charge
• A letter from HMRC asking you to file

Self-employed tax returns in Lambeth

Many Lambeth residents start freelancing alongside a job. We explain registration, combine your salary and self-employed profits correctly and claim every allowable cost, so you only pay tax on genuine profit. See self-employed accountants and add bookkeeping if you would like records kept for you.

Landlord tax returns in Lambeth

Lambeth landlords include accidental landlords letting a first flat and experienced HMO owners. We prepare accurate returns, apply mortgage interest relief and explain the property tax rates that start in April 2027. 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.

Filing for the first time

If you started self-employment or letting a property in the 2025/26 tax year, register for Self Assessment by 5 October 2026 and file online by 31 January 2027. Your first bill may include a payment on account for the next year, so it can be larger than expected. We explain this upfront and can ask HMRC to reduce payments if your income is falling.

Partnership tax returns

If you run a business with someone else, the partnership files an SA800 and every partner reports their share. We handle the whole set, together. See partnership tax returns.

Capital Gains Tax reporting

Sold a flat, shares or an inherited property? Gains over £3,000 are taxable at 18% or 24%, and residential property sales have a separate 60-day reporting deadline. Our Capital Gains Tax team handles both returns.

Foreign income reporting

Savings, rent or pensions from abroad usually belong on the foreign pages of your return, with relief for overseas tax. If past years were missed, our WDF service sorts it out.

Crypto tax reporting

Crypto is taxed as property in the UK. We calculate gains using same-day, 30-day and Section 104 rules and complete the crypto boxes on your return. More on our crypto page.

Documents for your Lambeth Self Assessment

Keep it simple: send what you have and we will tell you if anything is missing.

• Employment figures: P60, P11D for benefits
• Self-employment: sales, invoices and bank statements
• Expenses: receipts or a summary by category
• Property: rent received, agent statements and mortgage interest
• Investments: dividends, interest and sale contracts
• Overseas: foreign statements and proof of tax paid
• Pensions and Gift Aid: contribution and donation totals

Penalties for late filing

What if I miss the deadline? Miss 31 January and HMRC charges £100, even if no tax is due. After three months daily penalties start, and more follow at six and twelve months. New points-based penalties arrive for all Self Assessment from April 2027.

Why Lambeth 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