MTD Software for Joiners (UK, 2026): Quarterly HMRC Submissions Without the Hassle
Written by Tom Ellis · Senior Trades Editor
Last updated: August 2026
Quick Answer
What MTD for Income Tax means for joiners
Making Tax Digital for Income Tax Self Assessment (MTD ITSA) fundamentally changes how sole-trader joiners and cabinet makers report their income to HMRC. Instead of filing a single Self Assessment return each January, you will send four quarterly updates during the tax year, followed by a final declaration after the year ends. Each quarterly update must contain a digital record of your income and allowable expenses, sent directly from compatible software.
For joiners, this is both a challenge and an opportunity. On one hand, four submissions per year sounds like more admin. On the other, it forces a discipline that good joiners already know works in other parts of the business: keeping records job by job, knowing your margins, and never scrambling for receipts in January.
The joinery trade is particularly well suited to digital record keeping because costs are highly specific to individual projects. Bespoke furniture, fitted kitchens, and architectural joinery all carry distinct material costs, and separating them by quarter is far easier when you log each purchase at the point of buying rather than at the end of the tax year.
HMRC mandates that the software you use must hold bridging or API capabilities to submit returns directly to the Government Gateway. Using a spreadsheet alone will not meet the requirement unless you use a bridging tool on top of it.
Thresholds, deadlines, and key dates
HMRC is rolling out MTD ITSA in three stages based on gross self-employment income. You must comply from the tax year that begins in April of the relevant year:
- April 2026: joiners with gross self-employment income above £50,000 per year must use MTD-compatible software.
- April 2027: the threshold drops to £30,000.
- April 2028: the threshold drops again to £20,000, bringing the majority of self-employed joiners into scope.
The quarterly submission windows for the 2026/27 tax year (April to April) are:
- Quarter 1: 6 April to 5 July, submitted by 7 August
- Quarter 2: 6 July to 5 October, submitted by 7 November
- Quarter 3: 6 October to 5 January, submitted by 7 February
- Quarter 4: 6 January to 5 April, submitted by 7 May
The final declaration (replacing the old Self Assessment return) must be submitted by 31 January following the end of the tax year, the same deadline as before. Missing quarterly submissions can trigger late-filing penalties under HMRC's new points-based regime, so setting software to remind you at each deadline is essential.
Joiner expenses that count for MTD
One of the biggest advantages joiners have under MTD is the ability to claim a wide range of legitimate business expenses against their taxable income. Capturing these costs digitally, at the point they occur, means nothing slips through when a quarterly submission comes around. The categories most relevant to joiners include:
- Timber and sheet materials: MDF, plywood, hardwoods such as oak and ash, softwoods, veneers, and engineered boards. These are typically the largest cost category for joinery businesses undertaking bespoke furniture or kitchen fitting work. For joiners buying from merchants such as James Latham or Timbmet, digital invoices can be imported directly into compliant software.
- Fixings and hardware: hinges, drawer runners, locks, handles, screws, and knock-down fittings all count. Receipts from suppliers such as Screwfix, Toolstation, and Hafele can be photographed and categorised immediately.
- Workshop consumables and finishes: sandpaper, abrasive belts, lacquers, stains, oils, adhesives, and sealants are allowable where they are used in the production of joinery for customers rather than for personal use.
- Machine maintenance and repair: servicing table saws, planers, thicknessers, routers, and CNC equipment is a capital or revenue expense depending on the nature of the work. Routine consumables such as blades and cutters are revenue expenses and can be claimed in the quarter they arise.
- Van and delivery costs: fuel, insurance, servicing, road tax, and mileage for site visits, timber collection, and customer deliveries. Many joiners use the HMRC approved mileage rate of 45p per mile for the first 10,000 miles and 25p thereafter. MTD software should log mileage per trip and calculate the allowable amount automatically.
- Specialist tools: routers, domino joiners, biscuit cutters, and other specialist hand tools. Items costing under the annual investment allowance (currently £1 million per year) can be claimed in full in the year of purchase.
Because joiners often carry significant material costs relative to labour, particularly on bespoke furniture and cabinet projects, keeping clear records of which materials were purchased for which job makes it straightforward to match costs to the correct quarterly period. If you buy £4,000 of oak in Q1 for a project that runs through Q2, good software lets you allocate that cost correctly so your quarterly figures are accurate.
CIS deductions and MTD
Many joiners work as subcontractors for main contractors on commercial or residential development sites, which means they operate under the Construction Industry Scheme (CIS). Under CIS, a contractor deducts 20% (or 30% if you are not registered) from your labour payments and pays this to HMRC on your behalf. These deductions are not an expense but a prepayment of your tax liability.
Under MTD, CIS deductions must be reported in your quarterly submissions and offset against any tax owed in the final declaration. Your software should have a dedicated CIS field so you can record the deduction on each contractor payment statement. You will need to obtain a CIS payment and deduction statement from each contractor at the end of the tax year to verify the amounts.
Joiners who both subcontract for larger firms and take on direct domestic work may have CIS-deducted income alongside gross income. Good MTD software separates these streams clearly, so HMRC can see which income was already taxed at source and which was not. If you are not yet registered for CIS gross payment status, it is worth checking whether you qualify, since it removes the deduction entirely and improves cash flow.
MTD software comparison for joiners (2026)
Not all MTD software is designed with tradespeople in mind. Generic accounting packages work well for office-based businesses but can feel awkward when you are trying to log a timber delivery on site. The table below compares the main options available to self-employed joiners in the UK as of August 2026.
| Software | Monthly cost | MTD submission | Trade-specific features | CIS support | Best for |
|---|---|---|---|---|---|
| Sleepless Tradesman | From £12/mo | Direct API to HMRC | Job-level cost tracking, receipt scan, materials log | Yes | Self-employed joiners wanting one app |
| QuickBooks Self-Employed | £8/mo | Direct API to HMRC | Mileage tracking, basic expense categories | Limited | Simple sole traders, low expense volume |
| Xero (Sole Trader plan) | £16/mo | Direct API to HMRC | Bank feeds, receipt capture via Hubdoc | Add-on required | Joiners who also run a limited company |
| FreeAgent | £19/mo | Direct API to HMRC | Time tracking, project profitability | Yes (contractor mode) | NatWest/RBS account holders (free via bank) |
| Sage Accounting Start | £15/mo | Direct API to HMRC | Bank reconciliation, standard expense categories | Yes | Joiners with an existing Sage accountant |
Prices shown are indicative as of August 2026. Check each provider for current promotions. All providers listed are on the HMRC-approved MTD software list.
QuickBooks Self-Employed
QuickBooks Self-Employed is the entry-level Intuit offering aimed squarely at sole traders. At £8 per month it is the cheapest fully MTD-compliant option and covers the basics well: bank feed connection, receipt photograph via the mobile app, and a direct API link to HMRC for quarterly submissions. Mileage tracking uses your phone GPS automatically, which is useful for joiners making multiple site visits and timber runs each week. The weakness for joiners is the limited job or project tracking. You can categorise expenses, but you cannot easily see all the costs associated with a particular kitchen or staircase project. If your joinery business is straightforward with few large material orders, it is a cost-effective starting point.
Xero Sole Trader
Xero is a more mature platform with polished bank reconciliation and strong accountant integration. The Sole Trader plan introduced in 2025 brings the cost down to £16 per month with MTD submission included. Receipt capture works through the companion Hubdoc service, which can automatically pull invoices from email inboxes, useful if your timber merchant sends PDF invoices. CIS support requires a higher-tier plan or an add-on, which pushes the monthly cost up for joiners doing a lot of contractor work in London, Birmingham, or Manchester. Xero is a strong choice for joiners who expect to convert to a limited company in the near future, as the upgrade path is straightforward.
FreeAgent
FreeAgent is a UK-native product with a long history of HMRC integration and excellent Self Assessment support. At £19 per month it sits at the higher end for sole traders, though NatWest and Royal Bank of Scotland business account holders get it free as part of their account. The contractor mode handles CIS deductions well, making it genuinely useful for joiners working across domestic and commercial sites. Project-level reporting allows you to see rough profitability per job, though it is less granular than a dedicated job management app. FreeAgent is a solid choice if you value strong customer support and a UK-focused product team.
Sage Accounting Start
Sage is the stalwart of UK accounting software and Accounting Start at £15 per month covers MTD submission, bank feeds, and invoicing for sole traders. CIS is built in at this tier. The interface has improved significantly since the cloud-first relaunch, but it remains more accountant-focused than trade-focused. Joiners who already work with an accountant using Sage will benefit from the seamless data sharing. Those running the business themselves may find the setup more involved than the trade-specific alternatives.
How Sleepless Tradesman handles MTD for joiners
Sleepless Tradesman is built specifically for UK tradespeople, which means the expense categories, workflows, and terminology match how joiners actually work rather than how an accountant might categorise a generic business. The MTD module connects directly to HMRC via their API so quarterly submissions happen without any bridging tools or spreadsheet exports.
The materials tracking feature is particularly relevant for joiners. When you buy £1,800 of oak boards from a merchant in Leeds or Bristol, you can photograph the delivery note or invoice on the spot, tag the purchase to the specific kitchen or wardrobe project it belongs to, and the app categorises it under materials. At the end of the quarter, HMRC sees the right figures without any manual reconciliation.
The AI receipt scanner reads invoices from merchants such as Screwfix, Toolstation, Jewson, and independent timber yards, extracting the supplier name, date, and total automatically. You review and confirm, then the cost sits in the right category ready for the next submission. For joiners buying consumables in bulk, this removes the most tedious part of bookkeeping.
CIS deductions are tracked within the app. When a contractor pays you and deducts CIS, you log the gross payment and the deduction amount. Sleepless Tradesman keeps a running total so you know how much tax has already been paid on your behalf, which flows directly into your quarterly update and final declaration.
Quarterly submission reminders are built in, with push notifications to your phone ahead of each deadline. The dashboard shows your running income and expenses for the current quarter so there are no surprises when the submission window opens. The app works across iPhone, Android, and desktop, which suits joiners who are on site during the day and prefer to review figures in the evening.
Quick wins: get MTD-compliant fast
- Sign up for MTD-compatible software before your threshold year begins, not in the last few weeks.
- Connect your bank feed on day one so all income and outgoings are captured automatically from the start of the quarter.
- Photograph every timber and materials receipt at the point of purchase rather than collecting paper invoices in the van.
- Register for CIS as a subcontractor if you work for contractors, so your deductions appear on HMRC records correctly.
- Set quarterly submission reminders in your calendar or phone app as backup, even if your software sends push notifications.
Methodology and disclosure: Software prices and features were verified against provider websites in August 2026. Sleepless Tradesman is the publisher of this guide and is included in the comparison table. All other products are included for informational purposes and the guide aims to give an honest assessment of each. MTD thresholds and deadlines are based on HMRC guidance published at gov.uk/guidance/sign-up-your-business-for-making-tax-digital-for-income-tax and are subject to change. Always verify current rules with a qualified accountant or directly with HMRC.
Frequently asked questions
Do I need to use MTD software if I earn under £50,000 as a joiner?
Not yet. The first MTD ITSA threshold is £50,000 of gross self-employment income, applying from April 2026. If your gross income is below £50,000, you continue on Self Assessment until the threshold that captures you: £30,000 from April 2027 or £20,000 from April 2028. However, starting to use MTD-compatible software now removes the rush when your threshold year arrives and helps you build better bookkeeping habits in the meantime.
Can I use a spreadsheet to meet my MTD obligations?
A spreadsheet alone does not meet MTD requirements because it cannot submit returns directly to HMRC. You would need a bridging tool such as MTD-compatible software that reads your spreadsheet and submits the data via the HMRC API. Most joiners find it simpler and less error-prone to use dedicated MTD software from the start rather than maintaining a spreadsheet and bridging arrangement separately.
How do I claim for timber I buy in one quarter but use in the next?
For most sole-trader joiners using the cash basis of accounting (the default for those below the VAT threshold), expenses are recorded in the period you pay for them, not the period you use the materials. If you buy £3,000 of hardwood in Q1, the full cost goes into Q1 even if the furniture is not finished until Q2. If you use traditional accruals accounting, you match costs to the period the related income is earned. Check with your accountant which basis you are using, as it affects how material costs flow through your quarterly updates.
What happens if I miss a quarterly MTD submission deadline?
HMRC is introducing a points-based penalty regime alongside MTD. Each missed submission adds a penalty point to your record. Once you reach a threshold (four points for quarterly filers), you receive a £200 penalty. Further late submissions while you are at the threshold attract additional £200 penalties. Points expire after a period of compliance. This replaces the old flat 1% penalties from Self Assessment. The best way to avoid points is to submit on time even if the figures are estimates that you correct later in the same quarter.
Does MTD change how CIS deductions work for joiners?
The CIS scheme itself does not change under MTD, but you must now record CIS deductions digitally in your MTD software rather than in a paper ledger or spreadsheet. Your quarterly updates to HMRC include a field for CIS suffered, so HMRC can see how much has already been deducted from your payments. At the final declaration, these deductions reduce the tax you owe, just as they did under Self Assessment. Make sure your software has a dedicated CIS field and that you enter the deduction amount shown on each contractor payment and deduction statement.
Ready to sort your MTD submissions once and for all?
Sleepless Tradesman connects directly to HMRC, scans your receipts automatically, and reminds you before every quarterly deadline. Built for joiners, not accountants.
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