When market traders and regular car boot / trading sellers need to register as self-employed in 2026/27, the £1,000 trading allowance, and what HMRC expects to be declared.
Tax rules for chair-rent hairdressers and mobile hairdressers/beauticians in 2026/27 — what counts as self-employment, allowable expenses, and Class 4 NI.
How National Insurance works for a director who holds two or more directorships or PAYE jobs in 2026/27 — aggregation rules, annual vs monthly earnings periods, and avoiding overpaid NI.
How Land and Buildings Transaction Tax applies to commercial and non-residential property purchases in Scotland in 2026/27 — separate rates and bands from residential LBTT, plus lease transactions.
How Land Transaction Tax applies to commercial and non-residential property purchases and leases in Wales in 2026/27, and how it differs from residential LTT and from LBTT in Scotland.
How business (non-domestic) rates relief for small businesses works in Northern Ireland in 2026/27, including the Small Business Rate Relief Scheme bands and how NI rates differ from GB systems.
How VAT works differently for Northern Ireland businesses trading goods with the EU in 2026/27 under the Windsor Framework, compared with the rest of the UK, and why services are treated differently again.
What an HMRC P800 tax calculation means, why you might receive one in 2026/27, and how to claim a refund online, by cheque, or through your tax code — with a worked example.
How self-employed personal trainers and fitness instructors are taxed in 2026/27, including gym floor rent, kit expenses, insurance, mileage for outdoor sessions and Class 4 NI.
The Rent a Room Scheme lets you earn up to £7,500 tax-free in 2026/27 from letting a furnished room in your home. Full worked example for a £700-a-month lodger, plus what happens above the threshold.
How the Small Business Bonus Scheme reduces non-domestic (business) rates for small firms in Scotland in 2026/27, the rateable value thresholds, and how it differs from English small business rate relief.
How Scottish sole traders pay income tax on their trading profits in 2026/27 — the same six-band Scottish system that applies to employees applies to self-employed income too.