42 free tools. One question each. Answered in under a minute.
Checkers, calculators, builders and decoders for UK tradespeople. No signup. No paywall. Open the one you need, get an answer, get on with your day.
Every tool here is built around a single question a UK tradesperson actually asks — 'is my pay legal?', 'does this need regs?', 'what does this HMRC letter mean?'. They all cite the rule or law they're based on. None of them need you to create an account.
Builders
Create professional documents in minutes. No design skills needed. No agency fees.
Build Your Own Media Pack
Marketing agencies charge £500–2,000 for this. Fill in your details, preview on screen, download a professional PDF. Completely free — no agency needed.
Build Your RAMS in 10 Minutes
H&S consultants charge £100–300 per document. Pick your trade, answer some questions about the job, get a professional Risk Assessment & Method Statement. Completely free to preview and download as PDF.
Method Statement Builder
Every commercial job needs a method statement. Fill in 9 steps — project details, hazards, work sequence, emergency procedures — and get a professional PDF. Completely free.
Waste Transfer Note Generator
Every time you move construction waste off site, you legally need a Waste Transfer Note. EWC codes, carrier details, declarations — all mandatory fields covered. Free to preview and download.
Handover Pack Builder
Finish a job properly. This tool generates a professional handover pack with certificate checklist, warranty register, snag list, O&M notes, and practical completion statement. Based on your job type. Completely free.
Toolbox Talk Sheet
Record a toolbox talk in 5 minutes. Pick from 20 pre-written safety topics or write your own. Attendee sign-off grid, professional PDF. If someone gets hurt, HSE asks 'Where's the record?' — now you have one.
Site Diary / Daily Log
Five minutes at the end of each day. Weather, labour, work done, delays, deliveries, safety — structured PDF with sign-off line. Add multiple days for a weekly diary. A builder with a consistent site diary almost always wins the dispute.
Snag List Generator
Room-by-room snagging checklist with priority coding (High/Medium/Low), category tagging, summary stats and dual sign-off. A proper snag list at handover proves what was and wasn't flagged. Completely free.
Plant & Equipment Register
Serial numbers, purchase dates, values, service dates — all in one place. If your tools get stolen tonight, could you list them from memory? Police and insurers need this. Also covers capital allowances and PUWER compliance.
Variation Order Form
'I thought that was included.' A signed variation order before the work starts is the single best protection against domestic disputes. Price impact, programme impact, dual sign-off. Completely free.
Scaffold Inspection Register
Schedule 7-compliant scaffold inspection record. Structured checklist, defect logging, colour-coded results. HSE inspectors check for these on every site visit — missing registers are one of the most common enforcement actions. Completely free.
Calculators
Plug in your numbers. Get a clear answer. Every calculator is based on actual UK legislation, not guesswork.
Late Payment Interest Calculator
A client owes you money and won't pay? This calculates exactly what they owe you under the Late Payment Act — statutory interest at 8% above base rate plus fixed compensation. Show them the running total and watch them suddenly find the money.
Holiday Pay Calculator
Work out your statutory holiday entitlement and what it's worth in pounds. Covers full-time, part-time, irregular hours, and the 'your day rate includes holiday' question that catches everyone out.
Payment Notice Deadline Calculator
Enter your payment dates and this works out every Construction Act deadline — due date, payment notice, pay less notice, final date for payment, and when you can suspend. The timeline most QSs can't remember without checking.
Retention Calculator
How much retention is being held, when should half be released, and when's the final release due? Enter your contract details and stop guessing.
Warranty & Limitation Period Calculator
Enter your job completion date and see exactly when the 30-day snag window, your guarantee, and the 6-year limitation period expire. Know your exposure before the customer calls.
CIS Tax Refund Estimator
Enter your CIS income, deductions and expenses and get a ballpark figure for whether HMRC owes you money — or the other way round. Takes 30 seconds.
Mileage Claim Calculator
Work out how much mileage you can claim as a business expense using HMRC's simplified rates — 45p for the first 10,000 miles, 25p after that. Two numbers, instant answer.
What Should I Actually Charge?
Enter your costs, holidays, tax situation and target take-home pay. This tells you the minimum day rate you need to charge — and what happens if you add a margin. A business coach would charge you three grand for this number.
PPE Budget Estimator
Tick the PPE categories you need and get an annual cost estimate — plus what your employer must provide free under the law.
Notice Period Calculator
Enter your length of service and contract terms to find out your legal minimum notice period under the Employment Rights Act 1996.
Monthly Profit Tracker
Track your monthly income and expenses to see a running profit total and estimated tax liability for the current tax year. All data stays on your device — nothing is sent to any server.
Tax Set-Aside Calculator
Enter your earnings and find out exactly how much to put aside each week or month for income tax, National Insurance and student loan repayments. Accounts for CIS deductions already suffered.
Checkers
Answer a few questions. Find out where you stand. Every checker is built on the actual regulations — not opinions.
Employment Status Checker
CIS says you're self-employed. Your contract says self-employed. But what would a tribunal say? 15 HMRC-based questions that tell you what the law actually sees.
Is My Pay Legal? — NMW Checker
Enter your hours (including travel between sites), your pay, and your age. This tells you instantly if you're being paid below the National Minimum Wage — and what to do about it.
Apprentice Pay Checker
Is your apprentice — or are you as an apprentice — being paid at least the legal minimum? Enter the details and find out in 30 seconds.
CIS Deduction Rate Checker
Should you be on 0%, 20% or 30%? And if it's wrong, what to do about it. Takes 2 minutes.
Do I Need Building Regulations Approval?
Select your work type — extension, loft conversion, boiler, electrics, windows — and find out if you need Building Regs, which Parts apply, and whether a competent person scheme can self-certify.
Do I Need Planning Permission?
Extension? Loft conversion? Outbuilding? Fence? Solar panels? Answer a few questions and get a traffic-light answer: likely permitted development, probably needs planning, or borderline — check with your council.
Quote Health Check
Tick what your quote includes and we'll tell you what's missing. Most disputes start with what wasn't in the quote, not what was.
Can I Claim This Expense?
Pick an expense — fuel, tools, PPE, phone, food, clothing — and find out if it's claimable, partially claimable, or not allowed. Stop giving HMRC money you don't owe them.
Small Claims — Is It Worth It?
Someone owes you money and won't pay. Is small claims court the right move? Enter the amount, the situation, and this tells you the court fee, the likely timeline, and whether it's worth the hassle.
Do I Need a Waste Carrier Licence?
Carrying construction waste — even your own — can require registration. Answer three questions and find out if you need a licence and at which tier.
ULEZ & Clean Air Zone Checker
Is your van going to cost you £8-12.50 a day? Check compliance for London ULEZ, Birmingham, Bristol, Bath, Bradford, Portsmouth, Sheffield, Newcastle and the Scottish LEZs.
Cross-Border Rules Checker
Live in one UK nation, working in another? Find out which building regs, tax rules, H&S enforcement, courts, waste registration and professional schemes apply to your specific job. Nobody else has this.
Working at Height Risk Scorer
Answer 8 questions based on the Work at Height Regulations 2005. Get a GREEN, AMBER or RED risk score with a specific action list.
Dust Exposure Checker
Tell us your material, task, duration and controls. Find out your silica or dust exposure risk and exactly what COSHH requires.
Tax Code Checker
Type in your tax code and get a plain English explanation of every part — including red-flag codes like BR, 0T and W1/M1.
HMRC Letter Decoder
Got a letter from HMRC and don't know what it means? Search by reference number and get a plain-English explanation, urgency rating, and step-by-step instructions.
Quarterly Business MOT
A quarterly checklist covering insurance, tax, equipment, H&S, compliance and admin. Track expiry dates, get a health score, and download a PDF report.
Finders
Not sure which card, ticket or registration you need? These find the answer for you.
Built for your phone, not a desktop
Every tool works on mobile. Use them on site, in the van, at the merchant — wherever you need the answer. No app to download. No account to create. Just open the link and use it.
No data collected
We don't store your inputs, track your usage, or sell your information. The calculations happen in your browser and stay there. When you close the tab, it's gone.
Missing a tool you'd find useful?
Email us at hello@kilnguides.co.uk with what you need. If enough people ask, we'll build it.
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