Boiler Replacement


Does Your Boiler Need Replacing?

New Boiler Installation and Replacement Boilers are our speciality

BOILER REPLACEMENT

If your boiler breaks down, and is in need of replacement it's inevitably at the time of most use, or when you need your heating on most.  Most boiler replacements we see are in winter or early spring, but of course they can breakdown at any time of the year.

Even if the boiler is still working, but not heating the hot water or radiators to the temperature you would expect, it could mean that replacing your boiler with a new one is the right thing to do, and can ultimately save you time and money on further costly repairs in the future.

That’s why we offer a no obligation boiler assessment and quotation by our Gas Safe registered heating engineers, so we can get your boiler working at its best as soon as we can.

Give us a call on 01604 372395 or fill in the form ➡️

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we can INSTALL YOUR NEW OR REPLACEMENT BOILER

The first thing is to establish if your boiler needs to be replaced, or if its still possible to repair.  We can assess the condition of your old boiler and ensure you are not spending money on a new one unnecessarily.  If we find that a replacement boiler is needed then we will assess what size and type of boiler you need based on the size of your home and usage, check on the existing pipework and then give you a quotation for the new boiler, and, as we are rarely beaten on price, we encourage you to get multiple quotes before settling on Assett Plumbing to do the work for you.

At Assett Plumbing we pride ourselves on offering quality new and replacement boilers installations, carried out by qualified Gas Safe engineers. All of our boilers have a minimum 5-year guarantee, meaning that it will save you money in the long run, and you have the added peace of mind that we are local and always on hand if you have any issues, questions or concerns regarding your heating or plumbing.

Having been a local plumber since 1986, we are well established and offer a variety of services for new and replacement boilers and central heating systems, including:,

  • Boiler Installation
  • Boiler Repairs
  • Power Flushing
  • Boiler Servicing
  • Boiler Upgrading
  • Boiler Replacement
  • Boiler & Central Heating Refurbishment


No matter the size of the job, our engineers are here to help. And don't worry about any call out charges, we don't believe in them and you won’t find any here.

We guarantee all workmanship for 12 months, and we provide a fully itemised quotation before any work begins so you don't have to worry about hidden costs.

wHY CHOOSE US for boiler replacements?

We are not a faceless name on the TV or online, we are friendly local people, highly trained as Gas Safe plumbing and heating engineers.  We are passionate about serving the local community with the plumbing and heating service we provide, especially when it comes to new and replacement boilers. Here are just a few reasons why you should call us:

  • Fully qualified plumbing and heating engineers
  • Over 30 years of technical knowledge and experience
  • Most of our work comes from word of mouth
  • 85% of the boilers we attend are repaired in the same visit
  • All quotes are carried out by a qualified engineer
  • Local company, local services
  • All boiler replacement work guaranteed

GIVE US A Call now 01604 372395

We've got you covered!

We are dedicated to providing you with reliable, professional service to meet all your needs. 

24/7 Emergency Callout

We pride ourselves on our fast response & aim to be with you within 60 minutes.

No Callout Fees

No-one likes a callout fee and thats why we don't charge them, so there's no surprises!

Friendly Service

Our expert team is here to ensure that things runs smoothly. You’ll always find the help you need. 

Gas Safety Certificates

We are fully qualified to make sure your plumbing and heating systems are safe all year round !

Not only is every engineer at Assett Plumbing fully qualified and focused on giving you the best service possible, but we also want to make sure that your new boiler or boiler replacement is affordable too. That's why we do all the work whilst still being competitive with our prices, and will always beat any other local price for like-for-like new boiler products and plumbing services. We are proud to say we are able to replace all makes of central heating gas fired boilers such as Ideal Boilers, Glow Worm, Valliant, Worcester etc - you name it, we can replace it.

Our boiler replacement services cover homes and businesses throughout Northamptonshire including

We are approved and fully vetted by Northants County Council under their “Buy with Confidence” scheme as well as being certified Trusted Traders.


If your boiler needs replacing or you just suspect there is a boiler problem that needs looking at, give us a call and we will assess your boiler for you. We offer 24-hour plumbing cover, so if you find yourself in an emergency plumbing situation, like your boiler breaking down, don't hesitate to call us right away and we’ll get your home warm and running efficiently again as soon as possible. But don't just take our word for it, check out what our customers have to say about us.

WHAT Our customers HAVE TO say

Local Boiler Repairs by Assett Plumbing Northampton and across Northamptonshire

“I highly recommend Assett Plumbing. Keith did an emergency call out for me within an hour and then managed to install me a new boiler within a day.Keith and his colleague were so friendly, polite and cleared up after the job.I will definitely be using them for future work.” 

Kim Stronner

“Boiler service - professional, friendly, filled out the book and where happy to answer our barrage of questions as he worked. Nice guys would recommend.”

Liam Bozon

“Did a great job. Really impressed with the work done and the price was good. Took the old stuff away too. Friendly, professional and trustworthy what more can you ask for in this day and age! Highly recommend”

Toni Reed

“Keith and his team were absolutely brilliant. Clean and professional through and through. Had a leak in my heating system which was under concrete so needed to repipe the house. The service they gave was top notch. Good price and amazing quality. Would definitely recommend.”

Joshim Ali

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