If you own rental property in or around London, you have probably realised that a standard high-street accountant is not always the best fit. Property tax has become increasingly complex since the introduction of Section 24, the gradual removal of mortgage interest relief, and the upcoming changes to Making Tax Digital (MTD). A property specialist accountant in London focuses entirely on the tax and accounting needs of landlords and property investors. This article explains what they do, why their expertise matters, and how to decide if you need one.

What Makes a Property Accountant Different from a General Accountant?

A general accountant handles a wide range of clients, from hairdressers to tech startups. They know the basics of self-assessment and corporation tax, but they rarely deal with the specific rules that apply to property income. A property specialist accountant, by contrast, works exclusively with landlords, property developers, and investors. They understand the nuances of rental income, capital gains on property disposals, and the tax implications of different ownership structures.

For example, a general accountant might not know that mortgage interest relief is now restricted to a 20% tax credit under Section 24. A property specialist will know this inside out and will help you structure your finances to minimise the impact. They will also be familiar with the separate property income tax rates that come into effect from April 2027, 22% basic rate, 42% higher rate, and 47% additional rate on property income.

Key Services a Property Specialist Accountant in London Provides

Property accountants offer a range of services tailored to landlords. Here are the most common ones.

Tax Planning and Compliance

This is the core service. Your accountant will prepare and file your annual self-assessment tax return, ensuring all allowable expenses are claimed. They will also advise on tax-efficient strategies, such as whether to hold property in a limited company or in your personal name. For landlords with larger portfolios, they may recommend incorporation to benefit from corporation tax rates rather than higher-rate income tax.

They will also handle capital gains tax (CGT) calculations when you sell a property. The current CGT rates on residential property are 18% for basic-rate taxpayers and 24% for higher-rate taxpayers, with an annual exempt amount of £3,000. A property accountant will ensure you claim any available reliefs, such as principal private residence relief if the property was once your home [1].

Making Tax Digital (MTD) Preparation

From April 2026, landlords with gross property income over £50,000 must comply with Making Tax Digital for Income Tax. This means keeping digital records and submitting quarterly updates to HMRC. The threshold drops to £30,000 from April 2027 and £20,000 from April 2028. A property specialist accountant can help you choose compatible software, set up your digital records, and manage the quarterly submissions. For more detail, see our guide on Making Tax Digital for landlords.

Portfolio Structuring and Incorporation Advice

One of the biggest decisions a landlord faces is whether to hold property in a limited company. A property specialist accountant will run the numbers for you, comparing the tax position of personal ownership versus an SPV (special purpose vehicle). They will factor in corporation tax rates (19% for profits up to £250,000, 25% above that), the SDLT surcharge on company purchases (5% on additional properties), and the ongoing compliance costs of running a company. Our buy-to-let limited company guide covers this in depth.

Capital Gains Tax Planning

Selling a rental property can trigger a significant CGT bill. A property accountant will help you plan the timing of disposals, utilise your annual exempt amount, and claim reliefs where possible. They will also handle the 60-day reporting requirement for non-resident landlords selling UK property. For a full breakdown, see our capital gains tax on property guide.

Non-Resident Landlord Services

If you live abroad but own rental property in the UK, you may be subject to the Non-Resident Landlord (NRL) scheme. Under this scheme, letting agents must withhold 20% of your rental income and pay it to HMRC, unless you have approval to receive rent gross. A property specialist accountant can help you apply for gross payment status using form NRL1, and ensure you meet your UK tax obligations. They will also advise on double taxation treaties and non-resident CGT rules.

Why Choose a London-Based Property Accountant?

London has a unique property market. Property prices are higher, rental yields can be lower, and the SDLT surcharge on additional properties (currently 5%) applies across England but hits London buyers hardest due to higher average prices. A London-based property accountant understands these local dynamics. They will also be familiar with the specific challenges of managing HMOs in London, such as licensing costs and business rates.

Furthermore, many London landlords own properties in multiple locations, a flat in Manchester, a house in Birmingham, or a holiday let in Edinburgh. A property specialist accountant can handle the tax implications of a geographically diverse portfolio, including the different rules for furnished holiday lettings (abolished from April 2025) and student housing.

How to Choose the Right Property Accountant

Not all accountants who claim to be property specialists actually are. Here are some practical steps to find the right one.

  • Check their qualifications. Look for membership in recognised professional bodies such as the Association of Taxation Technicians (ATT) or the Institute of Chartered Accountants in England and Wales (ICAEW). Membership of an HMRC-approved body also means you can claim tax relief on your annual subscription fees [1].
  • Ask about their client base. A genuine property specialist should be able to tell you how many landlord clients they have and what types of property they deal with, BTL, HMOs, commercial, development, etc.
  • Read reviews and testimonials. Look for feedback from other landlords, particularly those with similar portfolios to yours.
  • Consider their location. While much can be done remotely, having a local accountant who understands the London market can be an advantage. A London-based property specialist will be familiar with the high-value transactions, HMO licensing regimes operated by different boroughs, and the leasehold extension issues that come up regularly across the capital.
  • Compare fees. Property accountants typically charge either a fixed monthly fee or an hourly rate. Our guide on property accountant costs can help you benchmark prices.

Common Mistakes Landlords Make Without Specialist Advice

Many landlords try to manage their own tax affairs or rely on a general accountant. This can lead to costly errors. Here are some of the most common.

  • Missing allowable expenses. Landlords often forget to claim for things like property insurance, letting agent fees, ground rent, and professional fees. A property accountant will ensure you claim everything you are entitled to. See our complete list of landlord tax deductions for 2026.
  • Incorrectly treating mortgage interest. Since Section 24, you cannot deduct mortgage interest from your rental income. Instead, you get a 20% tax credit. Many landlords still get this wrong on their tax return.
  • Failing to plan for MTD. If your rental income exceeds £50,000, you must be MTD-compliant from April 2026. Starting early will save you stress and potential penalties.
  • Not considering incorporation. For higher-rate taxpayers with significant portfolios, holding property in a limited company can be more tax-efficient. But it is not right for everyone. A property accountant can help you decide.
  • Ignoring CGT planning. Selling a property without planning the timing or claiming available reliefs can result in a much higher tax bill than necessary.

When Should You Hire a Property Specialist Accountant?

There is no single right time, but here are some common triggers.

  • You are buying or selling a property. The tax implications of a transaction can be significant, and advice before the deal completes is more valuable than after.
  • Your portfolio is growing. As you add more properties, the complexity of your tax affairs increases. A specialist can help you manage this.
  • You are considering incorporation. This is a major decision with long-term tax consequences. Professional advice is essential.
  • You are approaching the MTD threshold. If your gross rental income is near £50,000, you need to start preparing for digital record-keeping.
  • You have received a tax enquiry or penalty. HMRC is increasingly targeting landlords. A specialist can represent you and negotiate on your behalf.

What to Expect When Working with a Property Accountant

Once you engage a property specialist accountant, the process typically follows these steps.

  1. Initial consultation. You will discuss your portfolio, income, and goals. The accountant will review your current tax position and identify any issues or opportunities.
  2. Ongoing bookkeeping. Many property accountants offer bookkeeping services, ensuring your income and expenses are recorded accurately throughout the year. This is especially important if you are preparing for MTD.
  3. Tax return preparation. Your accountant will prepare and file your self-assessment or company tax return, including all relevant schedules for property income.
  4. Tax planning. Throughout the year, your accountant will advise on strategies to reduce your tax bill, such as timing capital expenditure or restructuring your portfolio.
  5. Compliance monitoring. They will keep you informed of changes in tax law that affect you, such as the new property income tax rates from April 2027 or the abolition of the furnished holiday lettings regime.

Final Thoughts

A property specialist accountant in London is not just a luxury for large portfolio owners. Even if you own one or two rental properties, the complexity of modern property tax means that professional advice can save you money and reduce your risk of an HMRC enquiry. The key is to choose someone with genuine expertise, relevant qualifications, and a track record of working with landlords.

If you are considering whether a property accountant is right for you, start by reviewing our services page to see what we offer. You can also contact us for a no-obligation discussion about your portfolio.

Sources

  1. aka.hmrc.gov.uk: List of approved professional organisations and learned societies