Are you feeling puzzled about boiler replacement costs for your home?

If you need a replacement boiler but have been quoted more than you were expecting to pay just from looking at the prices online, I can understand your confusion.

Usually, at least in my experience, people are quoted a price or rough estimate for replacing their boiler, before taking to the internet to do their own research – and more often than not, they find the same model online for what looks like a much cheaper price.

It goes without saying everyone wants to make sure they get the best deal – and I understand this is a huge source of concern – which is why I thought writing a blog post on the subject might help.

So below, I’m going to provide you with (hopefully) a much better idea of your overall boiler replacement costs, including some of the extras that can affect the final price you pay.

Why boiler replacement costs aren’t always straightforward

Okay, where do I start? There is so much to think about when working out the cost of replacing a boiler, that it can seem a bit overwhelming to think about. However, I’m going to try and do my best to explain.

For example, there’s the question of whether or not you want a direct replacement (say, combi to combi), and if you’re planning on using the same flue hole and pipework, including your gas pipe, condensate pipe and radiators.

You may wish to switch out your old regular boiler to a combi boiler, or change from a fire and back boiler to a brand new combi – finally, you may wish to swap your old combi for a system boiler with unvented cylinder for better flow rates to your taps. So many potential scenarios!

Some of the above may involve removing tanks, rerouting pipework, coring a new flue hole, and in the case of an old fire and back boiler, removing it from the wall.

Finally, there’s all the other factors I mentioned in ‘The Homeowner’s Guide to Boiler Installation Costs’ to think about. These are things that not everyone considers when they look up the cost of the boiler unit online – without any of the other things that need to go along with it.

The sole purpose of this blog is to help you better understand what can affect the cost of a boiler replacement, so you can make more informed decisions and see exactly what makes prices higher or lower.

A rough guide to boiler replacement costs

Below, I’ve put together a rough guide to help you figure out your boiler replacement costs. Of course, the final amount you’ll pay will not only depend on the brand and type of boiler you choose from, but also the unique specifications required for your home.

A typical boiler replacement

The typical cost for a new replacement boiler can range from anywhere between £1850- £3,500, and this includes sundry parts, pipes, labour and VAT.

A direct combi boiler swap

However, a straightforward combi boiler swap can usually cost anywhere between £2,150 – £3,500.

And this is where things start getting a bit more complicated…

Regular boiler to combi

Changing from a different type of boiler (such as a regular or system) to a combi will typically vary from £2,450 to £3,800, depending on pipework runs and the thickness of the wall to core through.

System and regular boiler swaps

There’s also the cost of a system boiler and regular boiler to look at. To give you a better idea, here at some examples of Worcester Bosch system boiler prices and regular boiler prices explained.

TIP: Please bear in mind some of the other factors mentioned above, as your final cost can only really be determined by a professional engineer who can properly evaluable your home set-up and exactly what you need.

I’ve had many a job where customers have wanted a price over the phone, as they don’t want a salesman trying to sell them something they don’t know a lot about. I try not to do this, as it’s essential to visit and give a fixed price quote – otherwise, I’d only be guessing and giving a vague estimated cost.

I’ve also given people solutions and ideas they may not have thought of in terms of relocating their boiler, so I find this is often where my customers see the most value.

Advice from an experienced engineer

If you’re worried about the costs of replacing your boiler, I’d highly recommend arranging 2 – 3 separate quotes, and ensuring they are fixed price and fully inclusive before you commit to getting any work done.

Take your time, go online and do your homework to determine what is right for your needs – but also be aware of some of the factors I mentioned above, as so many things can end up affecting the final price you pay.

I’d recommend investing in the best option you can afford, and remember, you may pay more if relocating your boiler, however it may be worth it if you gain more space.

TIP: You should also be able to get £400 cashback on your old boiler, so definitely ask your chosen engineer if that’s something they can do for you.

Conclusion

I hope you’ve found this blog useful when trying to determine your boiler replacement costs – I wish I could give you a better idea of exactly how much it’s going to be, but unfortunately these things are so individual that it’s very much like choosing the right car or a new tailored suit.

That being said, if you have any specific questions about the cost of replacing your boiler, I’m sure I’d be able to help – just post a comment below and I’ll get back to you with an answer as soon as I can.