Commercial Services

Plumbing & Heating Servicing

Serving North Oxfordshire, Warwick, Leamington Spa, and Daventry since 2010
OFTEC, Gas Safe, and Worcester Bosch-accredited engineers
Annual plans, clear pricing, and written service reports that protect warranties

When your property depends on safe, reliable heating and plumbing, you need engineers you can trust. GasWise has delivered expert plumbing and heating servicing across North Oxfordshire and neighbouring counties since 2010, earning us a strong reputation within our local area.

We combine decades of practical experience with professional accreditations - OFTEC, Gas Safe, and Worcester Bosch installers - and every team member is DBS-checked, so we can work confidently in sensitive and commercial environments. Whether you manage a warehouse, school, care home, or another commercial site, our proactive servicing keeps systems efficient, compliant, and ready for the seasons ahead.

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Our Plumbing & Heating Servicing: What We Do

We offer planned servicing and one-off maintenance across a wide range of plumbing and heating systems. Each service visit concludes with a written report and recommendations - whether that’s a minor repair, a system upgrade, or an agreed replacement. Our services include:

Gas boiler servicing & safety checks (Gas Safe registered)
Oil-fired boiler servicing & maintenance (OFTEC accredited)
Landlord Gas Safety (CP12) certificates and reports
Central heating maintenance & repairs (radiators, pumps, thermostats)
System power flushing and chemical treatments
Hot water cylinder servicing & unvented cylinder maintenance
Leak detection, pipe repairs, and drain investigation
Shower, tap, and sanitaryware servicing & replacement

Emergency Call-Outs

Plumbing and heating breakdowns can disrupt business at any time, and downtime costs money. That’s why our 24/7 emergency call-out service is designed for commercial clients, ensuring faults are resolved quickly and safely. We deliver reliable workmanship, keep you informed throughout the process, and provide clear pricing with no hidden charges.

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Who We Help

We work with a broad range of customers across North Oxfordshire, as well as areas such as Warwick, Leamington Spa, and Daventry:

Landlords and property managers requiring CP12 certificates and tenant safety checks
Care homes and supported-living providers that need compliant, sensitive servicing
Schools and nurseries requiring scheduled maintenance and fast response to faults
Small businesses and commercial premises needing planned servicing contracts

Our Servicing Process: Clear, Professional, & Reliable

Book a Service

Call us, email, or book online. Tell us about the system type, location, and preferred appointment time.

Pre-Visit Checks

We confirm the booking and share an ETA on the day.

On-site inspection & servicing

A member of our team conducts checks, tests, cleans, and replaces worn parts if needed.

Written Report & Recommendations

You receive a full service record and any safety certificates (e.g. CP12 for landlords).

Optional Follow-Up & Maintenance Plan

Take a priority maintenance plan for annual servicing and preferential call-out rates.

Why Choose GasWise for Plumbing & Heating Servicing?

Here’s why we’re the chosen team for many local businesses in Bicester, Banbury, and beyond:

Fully Accredited: Our engineers are Gas Safe and OFTEC registered, as well as Worcester Bosch-accredited installers
Proven Experience: Serving local businesses since 2010, with over 100 years of combined industry expertise
24/7 Availability: With most of our team based locally, we’re ready to respond quickly to emergencies, should they occur
Comprehensive Cover: All work is fully insured and backed by our service guarantee, giving you added peace of mind
Clear Pricing: No hidden extras involved - we provide upfront, transparent costs every time, so you know what you’re paying for

What Areas Do We Serve?

We’ve established a loyal customer base in areas such as:

Banbury
Bicester
Brackley
Warwick
Leamington Spa
Morton in the Marsh
Stratford-upon-Avon
Daventry
Chipping Norton

Request a FREE Commercial Quote

Whether you need a site survey, urgent repair, or want to explore a tailored maintenance contract, GasWise is here to help. Simply share your site details and requirements with us, and our team will arrange a prompt visit with a clear, no-obligation quote.

Call us on 01295 597 961, email This email address is being protected from spambots. You need JavaScript enabled to view it., or complete our online form to get started today!