Guides

Longer answers to the questions our tools get asked most. Each guide is researched against the official source, says when it was last reviewed, and links to the tool that does the sums for you.

Rates

How to challenge your Northern Ireland rates valuationThink your capital value is too high? Here's the difference between a review and an appeal, the 28-day rule that decides which you can use, the grounds that actually succeed, and how to check comparable homes first.4 min read Northern Ireland rates reliefs you might be missingLone Pensioner Allowance, Disabled Person's Allowance, Rate Relief and Housing Benefit — who qualifies, what each is worth, and why none of them are applied unless you ask.4 min read Buying a home in Northern Ireland: what will the rates actually cost?Rates are the running cost buyers most often get wrong, because the bill is based on a 2005 valuation, not the price you're paying. How to find the real figure before you commit, and what else to check.4 min read

Energy grants

The complete guide to Northern Ireland home energy grants in 2026Every heating and insulation scheme actually open to NI households right now — Affordable Warmth, NISEP, Winter Fuel Payment, Cold Weather Payment — plus the widely advertised GB schemes that do not apply here, and the one free call that unlocks the rest.5 min read Affordable Warmth Scheme explained: who qualifies and how to applyUp to £7,500 of free heating and insulation work for lower-income NI homeowners. The income test, the disability rule that most people miss, what the scheme will and won't pay for, and how the application actually works.4 min read Heat pumps in Northern Ireland: what funding actually existsThe £7,500 Boiler Upgrade Scheme does not apply in NI, whatever the adverts say. Here's what does — and why the 61% of NI homes on oil heating are the ones most likely to find it.4 min read

Pay & tax

Understanding your payslip: every line explainedTax code, PAYE, National Insurance, pension, student loan, gross versus net — what each line on a UK payslip means, how the numbers are worked out, and the two that are most often wrong.5 min read The 60% tax trap: earning between £100,000 and £125,140No official tax rate is 60%, yet that is what you pay on every pound in this band. How the Personal Allowance taper works, why £110k keeps less of the next pound than £150k does, and the pension move that reverses it.4 min read Salary sacrifice vs a standard pension: which leaves you better off?Two ways to pay into a workplace pension, one of which saves National Insurance and one of which does not. Worked examples at three salaries, and the situations where sacrifice can actually cost you.4 min read

MOT & motoring

How to read an MOT history before buying a used carThe MOT history is the only free, official, tamper-proof record of a used car's life. Here's what to look for — mileage that doesn't add up, advisories that keep coming back, and the gaps that tell you a car sat unused or uninsured.4 min read MOT advisories explained: what they mean and when to worryAn advisory is a fault the tester saw but didn't fail you for. Some are trivial; some are the early warning of a bill. Here's how to read them, which ones to act on, and how an advisory becomes a fail.4 min read What happens if your MOT expires: the law, your insurance, and the one exceptionDriving without an MOT is a fine, points in some cases, and — the part people underestimate — an insurance policy that may not pay out. The rules, the single lawful exception, the 40-year exemption, and how to avoid it happening again.4 min read

Fuel

Why petrol and diesel cost what they do in Northern IrelandRoughly half of every litre is tax, the rest is oil, refining, distribution and a margin of a few pence. How the price is built, why NI often differs from Great Britain, and the duty rises scheduled between now and March 2027.4 min read How to spend less on fuel in Northern Ireland: what actually worksForecourt choice, timing, driving habits and loyalty schemes — ranked by how much each one really saves, with the ones that sound good but don't.4 min read Buying heating oil in Northern Ireland: how to pay less for the same fuelSix in ten NI homes heat with oil, and most of them pay more than they need to. When to order, how much to order, oil buying clubs, the two types of kerosene, and what to do if you're struggling to afford a fill.5 min read