I’m Mateusz — a Gas Safe Registered engineer based in Doncaster.
I focus on clean, safe installations, clear communication and reliable aftercare.

What you can expect:
• Proper diagnostics (not guessing)
• Honest pricing & clear scope of work
• Tidy work and respect for your property
• Correct commissioning and documentation

Accreditations / brands: Ideal • Vaillant • Viessmann (approved installation & correct registration).