If you run a property business through a limited company or are a sole trader landlord with significant capital expenditure, the Annual Investment Allowance (AIA) can be a valuable tax relief. It allows you to deduct the full cost of qualifying plant and machinery from your profits in the year of purchase. A common question is whether this relief applies to second-hand assets. The short answer is yes, but with important conditions. This guide explains exactly when you can claim AIA on second-hand assets and when you cannot.
What Is the Annual Investment Allowance?
The Annual Investment Allowance (AIA) provides 100% tax relief on qualifying expenditure on plant and machinery, up to an annual limit. For most businesses, including property companies, the current AIA amount is £1 million per year [1]. This means you can deduct the full cost of qualifying assets from your taxable profits immediately, rather than spreading the relief over several years through writing down allowances.
The AIA is effectively a 100% first-year allowance for business expenditure on qualifying plant or machinery [2]. It is designed to encourage investment in business assets. For property businesses, this often includes items like kitchen equipment in a furnished rental, office furniture, computers, vans, or machinery used in property development.
Can You Claim AIA on Second-Hand Assets?
Yes, you can claim AIA on many second-hand assets, provided they are unused and not previously owned by the claimant [3]. The key distinction is that the asset must be "new" to your business. If you buy a second-hand commercial oven for a rental property from a third-party seller, and you have never owned it before, it will typically qualify for AIA.
However, there is a critical exclusion. You cannot claim AIA on items you owned for another reason before you started using them in your business [1]. For example, if you personally owned a van for personal use and then transferred it into your property business, it does not qualify for AIA. Similarly, items given to you or your business are excluded [1].
Assets acquired from a connected party or as part of a transaction designed to obtain an AIA advantage are also excluded from the allowance [3]. This prevents businesses from artificially creating AIA claims by buying assets from family members or other connected entities.
What Qualifies as Plant and Machinery for AIA?
For AIA purposes, plant and machinery includes a wide range of tangible assets used in your business. Common examples include computers, office furniture, vans, machinery, and equipment [3]. For property businesses, this can cover items like kitchen appliances, washing machines, furniture, and heating systems in furnished rental properties.
However, there are clear exclusions. You cannot claim AIA on business cars [1]. Cars are specifically excluded from the AIA regime and instead qualify for writing down allowances at lower rates. Buildings and parts of buildings are also excluded, although certain integral features (like lifts, air conditioning, and electrical systems) may qualify as plant and machinery.
If an item qualifies for more than one capital allowance, you can choose which one to use [4]. This flexibility can be useful when planning your tax position.
How to Value Second-Hand Assets for AIA
In most cases, the value of the item is what you paid for it [4]. This is straightforward for a straightforward purchase. However, special rules apply if you owned the asset before you started using it in your business, or if it was a gift. In these situations, you must use the market value instead [4].
For example, if you bought a second-hand commercial dishwasher for £2,000 from a restaurant supplier, you would claim AIA on £2,000. But if you had owned the dishwasher personally for a year and then transferred it into your property business, you would use its market value at the time of transfer, and it would not qualify for AIA because you previously owned it.
When Can You Claim AIA?
You can only claim AIA in the period you bought the item [1]. The date you bought it is determined by the contract and payment terms. If you signed a contract and payment is due within less than 4 months, the date of purchase is when you signed the contract. If payment is due more than 4 months later, the date of purchase is when payment is due [1].
If you buy something under a hire purchase contract, you can claim for all payments you will make under the contract when you start using the item [1]. This can be beneficial for spreading the cost of larger assets.
Special Rules for Sole Traders and Partnerships
If you are a sole trader or partnership and you use the cash basis of accounting, you can only claim capital allowances on business cars [4]. This means you cannot claim AIA on other plant and machinery if you are on the cash basis. Most property businesses using the cash basis will instead deduct the cost of assets as revenue expenses, but this is a different treatment.
For limited companies, the accruals basis is standard, and AIA is fully available on qualifying assets. If you are considering incorporating your property business, it is worth understanding how capital allowances interact with corporation tax. Our incorporation services can help you assess the best structure.
What About Software and Computer Hardware?
Software and computer hardware can also qualify for capital allowances, but the rules are more nuanced. HMRC will normally accept that expenditure on an asset with a useful economic life of less than two years is revenue in nature, as the asset will not bring lasting benefit to the business [5]. This means you may be able to deduct the cost as a revenue expense rather than claiming AIA.
If a software licence is paid for by regular periodic payments akin to a rental, HMRC will normally accept that those payments are revenue in nature [5]. However, where a single payment is made to acquire computer hardware and a software licence together as a package, HMRC takes the view that the expenditure should be apportioned between the two elements [5].
Design and content development costs should normally be treated as capital expenditure to the extent that an enduring asset is created [5]. This is relevant for property businesses developing websites or digital platforms.
Practical Example: AIA on Second-Hand Assets
Consider a landlord with a limited company that owns several furnished rental properties. The company buys a second-hand commercial washing machine for £1,500 from a supplier. The landlord has never owned this machine before. The company can claim AIA on the full £1,500 in the year of purchase, reducing its taxable profits by that amount.
Now consider a different scenario. The landlord personally owns a van used for personal transport. They decide to transfer the van into the company for business use. The van is a second-hand asset, but because the landlord (and therefore the company, as a connected person) previously owned it, AIA cannot be claimed [3]. The company would instead claim writing down allowances on the market value of the van.
How to Claim AIA
Claiming AIA is done through your tax return or company tax return. You need to include the qualifying expenditure in the capital allowances section. For sole traders and partnerships, this is part of the self-assessment return. For limited companies, it is included in the company tax return (CT600).
It is essential to keep detailed records of your purchases, including invoices, contracts, and evidence of payment. If HMRC queries your claim, you will need to demonstrate that the asset qualifies and that you have correctly valued it.
If you are unsure about any aspect of claiming AIA, particularly on second-hand assets, it is wise to seek professional advice. A property accountant can review your expenditure and ensure you are claiming all available reliefs correctly.
Common Mistakes to Avoid
One common mistake is claiming AIA on assets that do not qualify, such as cars or buildings. Another is claiming on assets previously owned by you or a connected person. A third is failing to apportion costs correctly when buying a package of assets (e.g., a computer with pre-installed software).
Another error is not claiming AIA in the correct accounting period. Remember, you can only claim in the period you bought the item [1]. If you miss the deadline, you may lose the relief for that year.
Finally, be aware that the AIA limit of £1 million is a maximum per business group. If you have multiple companies under common control, the limit may be shared. Our team can help you navigate these complex rules.
Conclusion
To answer the question directly: yes, you can claim AIA on second-hand assets, provided they are unused by you or a connected person and are not otherwise excluded. The AIA is a generous relief that can significantly reduce your tax bill in the year of purchase. However, the rules around connected parties, market value, and timing are strict. If you are planning significant capital expenditure, it is worth consulting a specialist to maximise your relief.
For tailored advice on capital allowances and your property business, contact us today.
Sources
- gov.uk: Claim capital allowances: Annual investment allowance - GOV.UK
- accaglobal.com: [DOC] Annual Investment Allowance (AIA) - ACCA Global
- icaew.com: A lowdown on full expensing for SMEs - ICAEW.com
- aka.hmrc.gov.uk: Claim capital allowances: Overview - GOV.UK
- att.org.uk: Tax treatment of software and website costs - ATT