Boiler Servicing and Boiler Repairs

Reliable boiler servicing and boiler repairs in Wellingborough, Kettering, Corby, Rushden and Northampton.

Engineer speaking to customer

Local Boiler Repair and Maintenance Specialists

Keeping your boiler in good working order is essential for safety, efficiency and long-term reliability. At NM Heating & Cooling, we provide professional boiler servicing and fast, reliable boiler repairs for homeowners across Wellingborough, Kettering, Corby, Rushden and Northampton. With over 22 years of experience and full Gas Safe registration, you can rely on us to keep your heating system running efficiently all year round.

Annual Boiler Servicing

An annual boiler service is one of the most effective ways to keep your home safe, reduce running costs, and avoid unexpected breakdowns. Our thorough boiler servicing includes:

Boiler Survey

Full safety inspection

Burner and internal component checks

Efficiency and performance testing

Cleaning of key parts

New Boiler Setup

Flue and ventilation checks

Overall system assessment

Regular boiler servicing keeps your boiler running safely and efficiently, while helping to maintain your manufacturer’s warranty. This is especially important for Worcester Bosch boilers with up to 12-year cover.

Boiler Servicing Prices

We offer two levels of boiler servicing for room sealed boilers, so you can choose the level of care that suits your boiler and your budget.

Level 1 Standard Boiler Service

£75

Keep your boiler safe, efficient and within warranty.

Level 2 Enhanced Boiler Service

£120

Extensive detailed inspection and deep clean. Includes everything in our Level 1 service, plus:

Any seals, electrodes or defective components will be an additional cost.

These prices apply to room sealed boilers only. Open flued boilers are quoted separately, so please contact us for a price.

Fast, Reliable Boiler Repairs

Boiler breakdowns can happen without warning, but when they do, NM Heating & Cooling is ready to respond quickly. We diagnose faults efficiently and carry out honest, cost-effective boiler repairs on all makes and models. Common issues we resolve include:

Common issues we fix include:

No heating or hot water

Low pressure or leaks

Unusual noises or kettling

Fault codes and system errors

Ignition and flame problems

Radiators not heating properly

Our priority is to get your heating back up and running as quickly as possible, with a service that is clear, straightforward and stress-free.

Worcester Bosch Accredited Repairs

As a Worcester Bosch Accredited Installer, we carry out repairs that meet the brand’s highest standards. Where replacement parts are needed, we only use genuine components to ensure long-term reliability.

Why Choose NM Heating & Cooling?

Boiler Frequently Asked Questions

The cost of a new boiler depends on the type and size of boiler you need, where it is being fitted and whether any extra work is required, such as moving the boiler or upgrading your controls. For a recommendation and price tailored to your home, use our online quote tool, which takes less than a minute, and we will follow up with a free survey. Finance options are also available to help spread the cost.

For room sealed boilers, our Level 1 Standard Boiler Service is £75 and our Level 2 Enhanced Boiler Service is £120. The Level 2 service includes everything in Level 1, plus a full strip down and clean of the burner, heat exchanger and electrodes, and an expansion vessel check and recharge. Open flued boilers are quoted separately.

Your boiler should be serviced once a year by a Gas Safe registered engineer. An annual service keeps your boiler running safely and efficiently, helps to catch small faults before they become expensive breakdowns, and is normally a condition of your manufacturer’s warranty.

The most common causes are a small leak somewhere on the heating system, such as a radiator valve or pipe joint, a faulty pressure relief valve, or a problem with the expansion vessel. Pressure can also drop after you bleed your radiators. If you are having to top up the pressure regularly, there is an underlying fault that should be checked by an engineer.

It depends on the size of your home and how much hot water you use. Combi boilers suit most small to medium homes with one bathroom, as they heat water on demand and need no cylinder. System boilers work with a hot water cylinder and are better for larger homes with more than one bathroom. Regular (heat only) boilers are usually a like for like replacement on older systems. As a Worcester Bosch Accredited Installer, we will recommend the right model at your free survey.

Boiler size is measured in kilowatts (kW) and depends on the number of radiators and bathrooms in your home, how well insulated it is and your hot water demand. As a rough guide, a 24–30kW combi suits a small to medium home with one bathroom, while larger homes with more radiators or a second bathroom usually need 30–40kW or a system boiler with a cylinder. We confirm the correct size during your free survey.

A modern boiler typically lasts 10 to 15 years, and often longer when it is serviced every year. Regular servicing, good system water quality and a magnetic filter all help to extend the life of your boiler.

If your boiler is under 10 years old and the fault is straightforward, a repair is usually the most cost-effective option. If it is over 10 to 15 years old, breaking down regularly, becoming expensive to run or parts are hard to source, a replacement often makes better financial sense. We will always give you honest advice on the best option for your boiler and budget.

Check the pressure gauge on your boiler. When the heating is cold it should read between 1 and 1.5 bar. If it is lower, switch the boiler off and let it cool, then locate the filling loop underneath the boiler. Open the valves slowly until the gauge reaches 1 to 1.5 bar, close both valves fully and switch the boiler back on. Filling loops vary between models, so check your boiler manual first. If the pressure keeps dropping, please get in touch as there may be a leak or a faulty component.

Book a Service or Repair Today

Whether your boiler has stopped working or it’s simply time for your annual service, our expert team is ready to help. Contact NM Heating & Cooling today to book your appointment and keep your heating system performing at its best.