Legal requirements · Wales
Plumber
Licensing, insurance, GDPR and operational legal obligations for a plumber operating in Wales.
Tailored legal checklist — Plumber
Specific to your business activities, on top of standard UK rules.
- Hold valid Public Liability Insurance — typically £1m–£5m for trade work
- Carry Employers' Liability Insurance the moment you take on any worker
- Comply with HSE rules on Working at Height, PPE and CDM 2015 where relevant
- Dispose of trade waste through a registered carrier — keep waste transfer notes
- WRAS-approved fittings for water supply work
- Notify Building Control for unvented hot water cylinders
Wales-specific notes
Legal points that apply because you trade in Wales.
- Welsh language considerations: bilingual signage and documents may be required
- Some licensing and environmental rules differ under Welsh Government regulation
UK legal fundamentals
The areas almost every UK small business must consider.
Operational essentials
General Checklist
Practical setup and compliance steps every UK small business should complete in the first 90 days and review regularly.
Register the business correctly
Choose sole trader or limited company and register with HMRC.
Keep records from day one
Track income, expenses and contracts digitally under MTD.
Separate business and personal spending
Open a dedicated business bank account before trading.
Track income and expenses regularly
Reconcile weekly so nothing slips through the year.
Review VAT and payroll responsibilities
Watch the £90,000 VAT threshold and PAYE duties.
Maintain insurance and licences
Renew before expiry — keep certificates accessible.
Save invoices and receipts digitally
Cloud storage with backups for at least 6 years.
Review deadlines monthly
Diarise VAT, PAYE, Confirmation Statement and Self Assessment.
View accounting requirements
Bookkeeping, VAT, payroll & tax
Seek professional advice
Speak to a qualified solicitor or adviser
Guidance aligned with official UK sources
- HM Revenue
& Customs - GOV.UK
- Companies
House - ico.Information
Commissioner’s Office - AcasAdvice. Conciliation.
- HSEHealth & Safety
Executive
This information is general guidance only and does not replace regulated accounting, legal or tax advice.