Oil Boiler Servicing and Installation in Southampton and Hampshire

For Booking & Appointments, please call 07476 924619

Expert Oil Boiler Installation & Servicing in Southampton & Across Hampshire

Keep your home or business warm and energy-efficient all year round with expert oil boiler services from Mark Oliver Plumbing & Heating.

Established in 2002 and based in Botley, Southampton, our qualified, OFTEC-registered engineers serve central and rural Hampshire with professional oil boiler installations, servicing, and repairs.

With more than 20 years of experience, a reputation for honest, high-quality work, and the added benefit of no VAT to pay, we deliver heating solutions that are reliable, affordable, and built to last.

Oil Boiler Servicing in Southampton & Hampshire

We have serviced 500+ oil boilers and have seen first-hand the benefits of regular servicing, which is essential to keep your oil boiler working safely, efficiently, and cost-effectively.

At Mark Oliver Plumbing & Heating, our comprehensive boiler servicing ensures your system runs at peak performance, reducing the risk of breakdowns, improving energy efficiency, and extending the lifespan of your boiler.

During a service, we will:

  • Clean and inspect all key components, including the burner, heat exchanger, and flue

  • Check safety controls, fuel lines, and combustion efficiency

  • Identify and replace worn or failing parts before they cause problems

  • Provide expert advice on system performance and energy savings

Whether you rely on your boiler for home heating or commercial premises, we ensure your system is winter-ready and compliant with the latest safety standards.

Book your annual oil boiler service today and enjoy peace of mind that your heating is in safe hands.

Discount for emergency service workers with Blue Light card

Oil Boiler Installation & Replacement

Is your oil boiler outdated, inefficient, or struggling to meet heating demands? It might be time to upgrade your oil boiler. Our OFTEC-registered engineers provide professional oil boiler installation and replacement services in Southampton and throughout Hampshire, designed with your property, budget, and long-term energy goals in mind.

We start with a full assessment of your heating needs and recommend the most efficient, cost-effective oil boiler for your home or business. Every installation is completed to the highest standard for optimal performance, safety, and compliance with current regulations.

Our oil boiler installations include:

  • Tailored system design and sizing for maximum efficiency

  • Full installation of oil boiler, flue, and controls

  • Integration with existing heating and hot water systems

  • Disposal of old equipment and system testing before handover

We install trusted, energy-efficient brands that deliver long-term reliability, helping you cut fuel bills and reduce your environmental impact.

With no VAT to pay and competitive pricing, upgrading your oil boiler has never been better value.

Oil Boiler Repairs and Emergencies

If your oil boiler has broken down, keeps locking out or smells of oil, see my emergency oil boiler repairs page. I provide 24 hour emergency oil boiler repairs across Southampton and Hampshire, seven days a week.

Why Choose Us?

No VAT to Pay

As we’re not VAT registered, you won’t be charged VAT, meaning our professional heating and plumbing services are even better value for money.

Specialists in Oil Boiler Systems

With over 20 years of hands-on experience, we’re experts in oil boiler installation, servicing, and repairs, keeping homes and businesses across Hampshire reliably heated.

Fast, Reliable Emergency Call-Outs

When your heating or hot water fails, our prompt response and dependable service get your system back up and running quickly.

Trusted & Local

Based in Botley, Southampton, we are proud to serve all of Hampshire and take pride in honest advice, transparent pricing, and long-term customer relationships.

Comprehensive Heating & Plumbing Solutions

From central heating upgrades and boiler replacements to everyday plumbing repairs, we handle it all with precision and care.

Energy-Efficient & Renewable Options

We offer modern, energy-saving heating technologies and renewable solutions to help you cut costs and reduce your environmental impact.

What Our Customers Say

★★★★☆

Mark Oliver Plumbing & Heating

Rated 4.7 by Google, based on customer reviews:

Frequently Asked Questions (FAQs)

How much are oil boiler installations?

Prices start from £2,500, including the boiler, flue, and associated materials. Typically, a heat-only oil-fired boiler, parts, and installation cost £5,500.

How much does an oil boiler service cost?

Do you offer emergency oil boiler repairs near me?

How often should I service my oil boiler?

What does an annual oil boiler service include?

How much do oil boiler repairs cost?

How much are emergency oil boiler repairs?

How much do you charge for evening oil boiler repairs?

Who can service my oil boiler?

For Booking & Appointments, please call 07476 924619