If you’re renovating a home, running a small building or trades business, or managing rental property in the UK, HMRC’s evolving tax rules can change your costs, pricing, and cash flow overnight. This guide breaks down the key tax changes affecting 2024–25 and beyond, what they mean in practice, and the steps to take now to stay compliant and keep more of your money.
Key changes at a glance
– National Insurance (NI) cuts: The main rates for employees and the self‑employed were reduced in 2024. This improves take‑home pay for many workers and sole traders. Always check current-year rates on GOV.UK.
– VAT registration threshold: Increased to £90,000 from April 2024. If your rolling 12‑month taxable turnover crosses this, you must register. If you’re near the line, plan carefully.
– Dividend and Capital Gains allowances cut: The tax‑free dividend allowance fell again, and the Capital Gains Tax (CGT) Annual Exempt Amount reduced to historically low levels. Investors, company owners, and landlords selling assets feel this most.
– Cash basis default for sole traders: From 2024/25, many unincorporated businesses use the cash basis by default, taxing income when it’s received (not invoiced). This can smooth cash flow, but review interest caps and loss rules.
– Basis period reform completed: Sole traders and partnerships moved to the tax year basis from 2024/25, after a 2023/24 transition year. Watch for transitional profits spreading into future years.
– Making Tax Digital (MTD) for Income Tax: Staged mandation from 2026 (starting with higher‑income sole traders/landlords). Don’t wait—adopt compliant bookkeeping software early.
– Full expensing for companies: Permanent for qualifying main‑rate plant and machinery, with 50% first‑year allowance for special‑rate assets. AIA remains at £1m for others.
– R&D regime changes: SME and RDEC rules have been reformed/merged—innovating construction tech firms and manufacturers should reassess eligibility.
– VAT on energy‑saving materials: A zero rate currently applies to installation of qualifying energy‑saving materials in Great Britain, expanding scope versus pre‑2022 rules. This materially lowers project costs for certain retrofits.
– Furnished Holiday Let (FHL) regime: Government announced plans to abolish FHL tax advantages from April 2025. If you run holiday lets, model the post‑FHL position now. Confirm current status on GOV.UK before acting.
– Child Benefit changes: The High Income Child Benefit Charge (HICBC) threshold increased in 2024, easing the charge for some families. Household‑basis reforms have been signposted for later years—watch for updates.
Why this matters if you’re renovating or improving a property
Renovators face two big levers: VAT and capital costs. The zero rate on qualifying energy‑saving materials can significantly shrink your budget. Meanwhile, the timing of equipment purchases and the structure you trade through (sole trader vs company) can alter your after‑tax cost.
– Energy‑saving materials: Many installations—like certain insulation, solar panels, and heat pumps—can be zero‑rated when supplied and installed by eligible contractors in Great Britain. Always verify item eligibility, supply structure, and invoice wording before work starts. Mixed‑rate projects should be scoped line‑by‑line.
– Major refurb vs new build: New builds for personal use can qualify for DIY housebuilders’ VAT refunds; most renovations don’t. Conversions and change‑of‑use projects sometimes qualify for reduced or zero rates under narrow conditions. Documentation is everything—keep complete contracts, specifications, and photographs.
– Grants and tax: Public grants (for example, toward heat pumps) can interact with VAT treatment and overall project economics. Check current scheme rules and coordinate grant timing with contracts.
What self‑employed trades and small construction firms need to know
1) VAT threshold and pricing
– The threshold rose to £90,000 (rolling 12 months) in April 2024. If you bounce around this line, monitor turnover weekly.
– Voluntary VAT registration can still make sense if your clients are mostly VAT‑registered businesses (they can reclaim). For consumer work, registration can compress your margin or push up headline prices—test the impact on demand.
– The Construction Industry Scheme (CIS) and the VAT domestic reverse charge still apply to many B2B construction supplies. Ensure your invoice templates reflect reverse charge where due.
Pro tip: Build a “VAT runway” forecast—a 3–6 month look‑ahead of booked and likely sales—so you can time quotes, deposits, and invoicing without accidentally tripping compulsory registration.
2) Cash basis default for sole traders
– From 2024/25, most sole traders are in cash basis by default unless they opt out. You’re taxed on what you’re paid, not just what you invoice—helpful when clients pay late.
– Watch the cap on deductible interest and how losses are relieved; for capital‑heavy trades or those borrowing to finance kit, accruals basis may still be better.
Pro tip: If you switch between cash and accruals, do a reconciliation schedule. Align debtors/creditors adjustments to avoid double taxation or missing deductions.
3) National Insurance changes
– Employee and self‑employed NI main rates fell in 2024. Many self‑employed also saw Class 2 NI changes. These shifts can influence whether you draw salary vs dividends if incorporated.
Pro tip: Re‑run your personal drawings plan. With lower NI, a modest salary might be more attractive relative to dividends at reduced allowances. Get tailored advice if you have a company.
4) Capital investment and expensing
– Incorporated? “Full expensing” allows a 100% first‑year deduction on qualifying main‑rate plant and machinery. Special‑rate assets may get 50% first‑year allowance. For others, the Annual Investment Allowance (AIA) at £1m covers most equipment.
– Time purchases near your year‑end to control which tax year the deduction lands in—without distorting operational needs.
Pro tip: Create an asset register with useful life, pool category (main vs special), and expected energy savings. The energy story can help win client work and cut your own running costs.
5) MTD for Income Tax preparation
– Mandatory quarterly updates begin from 2026 for higher‑income sole traders/landlords. But waiting until the deadline is risky.
– Move now to MTD‑compatible software. Set quarterly reminders and standardize receipt capture (apps, bank feeds, or digital invoices from suppliers).
Landlords and holiday‑let owners: the pinch points
– CGT Annual Exempt Amount fell sharply across 2023/24 and 2024/25, so more of a property gain is taxable. Consider timing, use of spousal transfers (no gain/no loss in many cases), and whether any reliefs (PRR on former homes) apply.
– Dividend allowance reductions matter if you hold property in a company and extract profits by dividend. Re‑model salary vs dividend mixes.
– Mortgage interest: For individual landlords, interest relief remains restricted to a basic‑rate tax credit rather than full deduction. This isn’t new, but it bites harder as other allowances shrink.
– Furnished Holiday Lets: The government announced plans to remove FHL tax advantages (like capital allowances and favorable CGT reliefs) from April 2025. If you operate holiday lets, model outcomes under standard property rules, consider incorporation pros/cons, and review capital expenditure timing.
Practical tips to protect cash and stay compliant
– Build a 12‑month tax calendar: Include VAT stagger dates, payment on account deadlines, CIS filings, and year‑end prep. Share it with your bookkeeper.
– Tighten job costing: Quote with VAT treatment stated up‑front, flag any zero‑rated elements (e.g., solar installation), and separate labor vs materials clearly.
– Create an “allowance tracker”: Log use of your CGT exemption, dividend allowance, personal savings allowance, and ISA contributions. Small allowances are easy to waste.
– Use digital record‑keeping now: Even before MTD mandates you, run cloud bookkeeping and receipt capture. You’ll reduce errors and get real‑time margin data.
– Forecast VAT and tax quarterly: Set aside a fixed percentage from every payment received. A separate “tax pot” bank account prevents nasty surprises.
– Review business structure annually: As profits, staff count, and capital needs change, the optimal structure (sole trader vs partnership vs company) can change too.
– Pre‑year‑end review with an adviser: Two to three months before your year end, assess capital purchases, pension contributions, bad debt provisions, and dividends/salary mix.
– Write better contracts: For renovation projects touching energy‑saving materials, ensure contracts and invoices are explicit on qualifying items, installation, and supply structure to secure the correct VAT rate.
Common questions, quick answers
Q: Do I need to register for VAT in 2024/25?
A: If your rolling 12‑month taxable turnover exceeds £90,000, yes. You must also register if you expect to go over the threshold in the next 30 days. If you’re below but close, weigh voluntary registration costs and client mix.
Q: How does the cash basis help a trades business?
A: You pay tax when money hits your account, not when you invoice. This reduces tax pressure from late‑paying clients. But check limits on interest deductions and how losses carry forward—heavy borrowers or fast‑growing firms may prefer accruals.
Q: Can I get zero VAT on a heat pump or solar installation?
A: Many qualifying energy‑saving materials installed in residential properties in Great Britain can be zero‑rated when supplied and installed by an eligible contractor. Always confirm the specific technology, the property type, and the supply route against current HMRC guidance before relying on the rate.
Q: I’m a landlord—what hurts me most right now?
A: The sharp cuts to CGT and dividend allowances, combined with ongoing interest relief restrictions for individuals. Keep immaculate records, consider ownership splits with a spouse where appropriate, and review whether a company structure makes sense for your portfolio and future plans.
Q: What’s happening with MTD for Income Tax?
A: Mandation begins from 2026 in phases by income level. Start using compatible software now, so quarterly updates are a habit before they’re a requirement.
Action plan: what to do this week
– Map your revenue to thresholds: VAT (£90k), MTD income bands (from 2026), and NIC bands. Build simple dashboards in your accounting software.
– Audit your last 20 invoices: Is VAT treatment correct? Are you referencing the domestic reverse charge where required? Are energy‑saving installations properly zero‑rated?
– Reforecast cash flow: Layer in NI cuts, smaller allowances, and any planned kit purchases under full expensing/AIA.
– Talk to your accountant: Confirm whether cash basis vs accruals is optimal, and plan pre‑year‑end moves (pensions, capital purchases, dividends/salary).
– Update your contracts: Add clear VAT clauses and itemization for qualifying materials and installations.
Stronger conclusion
The tax goalposts have moved—some in your favor (lower NI, higher VAT threshold), others not (shrinking investment and capital gains allowances, and looming changes for holiday lets). The winners in this environment aren’t the biggest operators; they’re the most organized.
If you renovate homes, run a small trades firm, or manage property, you can turn these HMRC changes into an advantage by getting three things right: real‑time records, forward tax forecasting, and disciplined project scoping with airtight VAT treatment. Do those consistently and you’ll preserve margin, price with confidence, and keep cash where it belongs—funding your next project, not firefighting tax surprises.
Important: Tax rules change and individual circumstances differ. Use this article as a planning checklist, but verify current rates and eligibility on GOV.UK and seek professional advice before making major decisions.