★★★★★
5 star rated by our customers

Boiler Replacement Services in Portishead

Kesselmann Heating & Plumbing provide a specialist boiler replacement service for homeowners in Portishead and the surrounding areas. We replace boilers that are no longer reliable or have reached the end of their working life. If you’re looking to have a new boiler installed -whether gas, combi, or electric - we understand that this can be a significant investment.

At Kesselmann, we aim to keep boiler replacement costs clear and reasonable, installing a brand-new boiler to a high professional standard. We also offer a range of flexible, interest-free boiler finance options to help spread the cost and reduce pressure.

Kesselmann Heating & Plumbing also provide specialist heating and hot water system installations, as well as premium boiler installations, giving you the option to spread the cost while ensuring the work is done properly.

Experience Reliable Heating Solutions

Enjoy peace of mind with transparent pricing and expert installations.

THE KESSELMANN STANDARD

When plumbing and heating are done right, stress disappears, trust returns, and everything just works.

That’s why we built the Kesselmann Standard, a clear, disciplined way of working that puts reliability, professionalism, and honesty first.

It’s not complicated.

It’s a set of non-negotiables that ensure you know exactly what’s happening, what it costs, and when it will be done, before any work starts.

Every part of our approach is designed to reduce uncertainty, remove friction, and protect your home from poor workmanship, missed appointments, and surprise costs.

When standards are clear, decisions are easy.

With the Kesselmann Standard, you get:

Work you can trust

Reliability without chasing

Professional work, done properly

Confidence and peace of mind

"I was stressed after our boiler broke in the middle of winter, but Kesselmann came out the same day. They diagnosed the fault quickly, explained everything clearly, and had us warm again by the evening. Their professionalism and speed were outstanding."

Graham C

"Kesselmann fitted our new unvented cylinder and we’re really impressed. He explained everything clearly, turned up exactly when he said he would, worked cleanly, and left everything tidy. The new system has transformed our water pressure and hot water supply. Highly recommend his work!"

Ayesha H

★★★★★

★★★★★

We’re Here to Help You

From family homes to small businesses, people trust Kesselmann to deliver reliable plumbing and heating, done properly, without the stress.

We’re chosen by customers who want clear communication, honest pricing, and work they don’t have to second-guess. People who value standards. People who’ve had enough of unreliable trades.

★★★★★

5 star rated by our customers