Swindon Property Accountant: Specialist Tax Help for Local Landlords

Swindon has one of the more resilient rental markets in the South West, anchored by fast rail links to London Paddington and Bristol Temple Meads on the Great Western Main Line and by a long-standing base of large employers. For landlords, though, the tax position has changed sharply: the Section 24 finance-cost restriction is fully in force, Making Tax Digital for Income Tax is now live, separate property income tax rates arrive from April 2027, and capital gains tax on residential disposals runs at 18% and 24%. A property accountant in Swindon who works with these rules day to day can keep you compliant while making sure you are not paying more tax than the law requires.

This guide sets out the issues that matter most for Swindon landlords in 2026/27, with a worked Section 24 example, the additional-dwelling stamp duty position, capital gains tax on disposal, and what Making Tax Digital readiness actually involves locally.

Swindon's rental market and why local context matters

Swindon Borough Council is a unitary authority, so a single local authority handles council tax, licensing, and planning across the town and surrounding parishes. That matters for landlords because licensing schemes, council tax treatment of empty or HMO properties, and planning controls are decided locally. A buy to let accountant in Swindon who understands the area can frame your tax position against the realities of the local market:

• Commuter demand: direct trains to London Paddington in around an hour underpin steady demand from professionals and commuters, which supports both rental yields and longer-term capital growth.
• Employment base: Nationwide Building Society and WHSmith are headquartered in the town, and the wider area retains a large employment footprint even after Honda closed its nearby South Marston car plant in 2021. Job density helps sustain tenant demand.
• Old Town: period and converted properties here are often let as houses in multiple occupation (HMOs), which carry their own licensing and tax considerations.
• Newer developments: areas such as Wichelstowe add modern stock to the market, with different acquisition costs and yield profiles to the older suburbs.
• Established suburbs: Haydon Wick, the Lawns, and similar areas form much of the standard single-let market that most local landlords operate in.

None of this changes the tax law itself, which is national. What it changes is the planning: the right ownership structure and the right approach to expenses, disposals, and finance depend on your actual rents, values, and intentions, and those are local.

HMOs and licensing in Swindon

Houses in multiple occupation are a meaningful part of the Swindon market, particularly the converted period stock around Old Town and properties let to sharers near the town centre. Mandatory HMO licensing under the Housing Act 2004 applies across England to larger HMOs (broadly, properties let to five or more people forming more than one household and sharing facilities), and Swindon Borough Council administers licensing locally. Some councils also run additional or selective licensing schemes for smaller HMOs or for particular areas, so it is worth confirming the current designations with the council before you let.

The tax angle on HMOs is twofold. First, licensing fees and the costs of meeting HMO standards need to be split correctly between revenue expenses (deductible against rental profit) and capital improvements (added to base cost for capital gains tax). Second, HMO landlords often have higher finance costs relative to a single let, which makes the Section 24 restriction bite harder and the structure question more pressing. If you run or are considering an HMO in Swindon, the capital-versus-revenue split and the structure decision are the two areas where specialist input usually pays off most.

Section 24: the finance-cost restriction in practice

Section 24 of the Finance (No. 2) Act 2015 removed the ability to deduct mortgage interest and other finance costs from rental profit. The restriction was phased in between 2017 and 2020 and is now fully in force. Instead of a deduction, landlords receive a basic-rate tax reduction worth 20% of their finance costs. Basic-rate taxpayers are broadly unaffected, but higher and additional-rate landlords feel the difference, and the mechanism can also tip total income into a higher band.

Worked example: a Swindon higher-rate landlord

Take a landlord with rental income of £45,000 a year and £18,000 of mortgage interest, who is a higher-rate taxpayer on this income. Under the current rules:

• Taxable rental profit: the full £45,000 is taxed (interest is no longer deducted), giving income tax at 40% of £18,000 a year more than the pre-Section-24 method would have, before the credit.
• Tax before the credit: 40% of £45,000 = £18,000.
• Section 24 tax credit: 20% of the £18,000 interest = £3,600.
• Net income tax on the rental profit: £18,000 less £3,600 = £14,400.

Under the old rules the landlord would have been taxed at 40% on £27,000 of net profit (£45,000 less £18,000), which is £10,800. The Section 24 restriction therefore costs this landlord roughly £3,600 a year on these figures. The exact number depends on your full income picture, and a specialist will run it on your real position rather than a worked example. Our complete Section 24 guide explains the mechanism and the calculation in detail.

The new property income tax rates from April 2027

Finance Act 2026 (c. 11) introduced separate rates of income tax on property income, taking effect from the 2027/28 tax year. The new property rates are 22% at the basic rate, 42% at the higher rate, and 47% at the additional rate, which is 2 percentage points above the equivalent general income tax rates. For 2026/27, the standard rates of 20%, 40%, and 45% still apply to rental income alongside other income.

For Swindon landlords this is a clear planning signal. The new rates sit on top of the Section 24 restriction, so portfolios with growing rental profits face a compounding effect. Reviewing your structure, the timing of disposals, and whether profits are being efficiently extracted is worth doing well before the change lands. The companion guide to the landlord income tax rates for 2026/27 sets out how the bands work alongside the property rules.

Making Tax Digital for Income Tax: now live

Making Tax Digital for Income Tax is live and being phased in by qualifying income, which is your gross rental and self-employment income before expenses. The thresholds are:

• From 6 April 2026: qualifying income over £50,000.
• From 6 April 2027: qualifying income over £30,000.
• From 6 April 2028: qualifying income over £20,000.

If you are in scope you must keep digital records, send quarterly updates to HMRC through compatible software, and submit a final declaration after the tax year. Your threshold is tested against your most recent self-assessment return, and where a property is jointly owned each owner tests their own share of the gross income against the threshold separately. For Swindon landlords the practical task is moving to digital bookkeeping early and capturing income and expenses property by property as they arise, rather than reconstructing the figures at year end. Our Making Tax Digital readiness guide walks through the steps and the software options.

Stamp duty: the additional-dwellings surcharge

Most buy-to-let purchases in Swindon are caught by the additional-dwellings surcharge, which adds 5% to the standard Stamp Duty Land Tax (SDLT) rates on a second or subsequent residential property in England. Purchases by companies fall within the higher rates too. There is a refund route where the surcharge is paid on a new main residence and a former main residence is sold within the relevant time limit, which is a point worth checking before completion rather than after.

If you buy across a border, note that the devolved systems differ: Scotland uses Land and Buildings Transaction Tax (LBTT) with its own Additional Dwelling Supplement, and Wales uses Land Transaction Tax (LTT), each with separate bands and rates. Modelling the full acquisition cost, including the surcharge, before you commit is part of a sensible buy-to-let plan.

Capital gains tax when you sell

When you dispose of a residential property that is not your main home, the gain is taxed at 18% to the extent it falls within your remaining basic-rate band and 24% on the rest. You deduct the annual exempt amount, which is £3,000 for 2026/27, along with original cost, buying and selling costs, and qualifying capital improvements. Residential property gains must be reported and the tax paid within 60 days of completion using HMRC's residential property gains service, with the gain also picked up on your self-assessment return.

Planning levers that a Swindon landlord can use include spreading disposals across tax years to use more than one annual exempt amount, transferring a share to a spouse or civil partner before sale so both allowances and bands are used (transfers between spouses are on a no-gain, no-loss basis), and capturing every allowable improvement cost with the right records. Our capital gains tax on property guide explains the reliefs and the reporting mechanics in full.

Personal ownership versus a limited company

Many Swindon landlords ask whether incorporating would help, particularly given Section 24 and the 2027 property rates. A limited company is outside the Section 24 restriction and pays corporation tax on profit, but the answer is rarely a simple yes. Extracting profit as dividends adds a further personal tax charge, and moving existing personal property into a company can trigger capital gains tax on the transfer and a stamp duty charge, since the company is treated as buying at market value.

Whether incorporation works for you depends on your income, how long you intend to hold, whether you reinvest or draw profits, and your mortgage arrangements. It is a modelling exercise on your real numbers, and reliefs such as incorporation relief may or may not be available depending on whether your activity amounts to a business. Our buy-to-let limited company guide sets out the trade-offs so you can have an informed conversation.

What a Swindon property accountant covers

Specialist property accounting is broader than filing a return. Typical work for a Swindon landlord includes:

• Compliance: self-assessment or company accounts, the Section 24 credit calculated correctly, and Making Tax Digital quarterly updates.
• Expenses: identifying every allowable revenue cost and getting the capital-versus-revenue line right on works and improvements.
• Capital gains tax: disposal computations, 60-day reporting, and planning the timing and ownership of sales.
• Acquisitions: the additional-dwelling SDLT surcharge and the full cost of buying before you commit.
• Structure: testing personal ownership against a company on your actual figures, including the 2027 property rates.
• Records and software: getting digital bookkeeping in place ahead of your Making Tax Digital date.

To see the wider scope, read what a property accountant does and our checklist on how to choose a property accountant.

Getting the expenses right

The capital-versus-revenue line is where many landlord returns go wrong, in Swindon as anywhere. Revenue expenses reduce your rental profit in the year they are incurred: examples include repairs that restore a property to its previous condition, letting agent and management fees, landlord insurance, ground rent and service charges, safety certificates, and the replacement of domestic items such as a worn-out cooker or carpet on a like-for-like basis. Capital costs, by contrast, are not deducted from rental profit. They include improvements that enhance the property beyond its original state, such as an extension or a first-time installation, and they add to your base cost for capital gains tax when you eventually sell. A new kitchen that simply replaces an old one is usually a repair; the same kitchen as part of converting a property into an HMO is more likely to be capital. The distinction is fact-specific, and recording it correctly at the time saves both tax and difficulty later.

An anonymised local example

Consider a landlord (details anonymised) holding three single-let houses in the Haydon Wick and Old Town areas, with combined rents that put them into the higher-rate band and finance costs of around £18,000 a year. A review focused on three things: confirming the Section 24 credit was being calculated on all qualifying finance costs rather than just the headline mortgage interest, separating a recent set of works between deductible repairs and capital improvements so the capital element was carried forward for future capital gains tax rather than wrongly claimed as a revenue expense, and checking their qualifying income against the Making Tax Digital thresholds so they could move to digital records ahead of mandation. None of this is exotic, but getting each point right is the difference between a return that is merely filed and one that is correct and defensible.

A note on cost

The right question is not the headline fee but the value of getting the tax right: the Section 24 credit calculated correctly, every allowable expense captured, a capital gains computation that uses the reliefs you are entitled to, and a structure that suits your portfolio. We explain how property accountants typically structure their work, and how to weigh it up, in our guide to what a property accountant costs.

Getting started

Whether you own a single buy-to-let near the Lawns or a growing portfolio across Old Town and Wichelstowe, the combination of Section 24, the 2027 property income rates, Making Tax Digital, and capital gains tax on disposal makes specialist support more useful than it has been for years. A sensible order of priorities for most Swindon landlords is:

• Check your Making Tax Digital position: compare your qualifying income against the £50,000, £30,000, and £20,000 thresholds and get your records digital.
• Review Section 24 and structure: understand the current cost and test whether a company would help ahead of the 2027 rates.
• Plan disposals: use the annual exempt amount and spousal allowances, and diarise the 60-day reporting deadline.
• Tighten your records: capture expenses and improvement costs as they happen, property by property.

Specialist property accounting is about more than compliance. It is about keeping your Swindon property investments efficient as the rules continue to change. If you would like to discuss your position, you can use the contact form on this page to arrange a conversation with a property tax specialist.