Spray Foam Insulation Cost Calculator UK

If you are thinking of adding too or improving your home’s insulation, then spray foam insulation is easily one of the best options around.

There is a reason spray foam is such a sworn-by product, and that’s mainly due to its air sealing properties which not only help your home be warmer in the winter and cooler in the summer but also deliver up to 50% greater energy savings compared to other insulation products.

All in all, then, spray foam insulation is worth your while. But you are still going to need to know the cost of having it installed before you do so that you can know whether you are actually able to budget for it or not.

In this article, we’ll take a look at how you can hope to calculate the cost of spray foam insulation UK. Spray foam insulation cost per sq metre UK depends on a number of factors, all of which we will go through in detail so you can ensure you know exactly what to expect and how to make the most of it.

Spray Foam Insulation Cost Calculator UK

What Is Spray Foam Insulation?

So first of all, let’s start with the basics.

If you are looking into spray foam insulation, it’s probably because you are keen on insulating your home or improving your existing insulation, and you have heard that this is a cost-effective and relatively easy way to do so.

Spray foam insulation is simply a kind of insulation that uses an expanding foam. This is sprayed into the desired area – which is normally behind a wall, or some such place – and then left to expand, where it forms a hardened form of insulation.

It’s something that people have been using for many years now and it is arguably one of the most effective types of insulation around.

You can use spray foam insulation to insulate your walls, floors, ceiling, roof, and many other difficult-to-reach areas. It also provides additional soundproofing too.

The Benefits Of Spray Foam Insulation

So what are some of the main benefits of this type of insulation over others? There are many reasons that people tend to swear by spray foam insulation, and why you might want to consider it as a potential choice for your own insulation needs.

As it happens, these benefits can be broken down into a few main categories, which we will set out below to help you get a full sense of what you can expect from this type of insulation in your own home.

Thermal Efficiency

The main thing that it does is that it improves the thermal efficiency of the home. In other words, it means that your home will hold on to heat more effectively so that you don’t need to heat it as much.

That’s good news for your wallet and the planet all at the same time. It also helps in making the home more comfortable, which you could say increases your quality of life considerably too.


It also provides a form of sealing for the home, which can be really important for a number of reasons, not least the fact that it stops heat from getting out and in when you don’t want it too.
In addition, this seal also stops pests from entering the home. It is just generally a good thing to have a fully sealed home, and with spray foam insulation you can fill all the cracks and holes your home might have.


Spray foam offers some degree of soundproofing, which works in both directions: you will be able to hear much less traffic from outside when you are sitting in your home, and people outside won’t be able to hear you as easily.

That’s good news for both those who live with noisy neighbours and those who are the noisy ones!

Moisture Control

You will find that having spray foam insulation can also help with controlling the levels of moisture in the home too, which is a really important thing to be able to do for the general maintenance of your home.

A lot of moisture is caused by cool air coming into the building, and that is something that good insulation is able to suppress, so that means the moisture is not being brought in either.

This is beneficial if you tend to have damp or mould problems in your home.


And of course, as we all know, having good insulation is a major selling point when you are selling your home, so if you are thinking about that, you will be pleased to know that spray foam insulation tends to add considerable value to a property.

It has green credentials to it too, which helps with this, and it’s just something that you are going to be able to show off when you are trying to make your home an attractive prospect for someone to buy.

With all those clear benefits, it’s easy to see why so many people swear by spray foam insulation.

But there are some things to bear in mind if you are keen on having this installed in your own home, and we’ll take a look at those now before we get into the nitty-gritty of how much such an installation is likely to actually cost you.

Finding Good Quality Spray Foam Insulation In The UK

When you are looking around for spray foam, you are going to be drawn by a number of factors. One of the main ones is the spray foam insulation price, of course, and that’s why we are about to lay out the prices you can expect to pay.

But there is also the issue of quality, and you need to make sure that you are sourcing spray foam insulation that is going to deliver on quality as best as it can.

It’s no use paying out for a service that doesn’t provide, after all. If you do this, you’ll find that you are only going to be disappointed, and you will have wasted your money.

So if you are offered an extremely cheap insulation service, you should be a little suspicious. Remember that this is all about quality over value, and you need to make sure that you end up with insulation that you can actually make use of, and which will stand the test of time.

If that’s not what you get, then it’s not worth any amount of money to have it installed.

When you shop around, therefore, be sure to look out for the best quality installation. With that in mind, you can then compare the services of those installers, and avoid some of the less trustworthy people who might be trying to sell you this kind of insulation. That is an important factor to consider in all of this, so bear it in mind.

Spray Foam Insulation Cost UK: Key Factors

Looking into the issue of cost now, you should bear in mind that there are a few key factors that will go into determining how much spray foam insulation costs.

It’s important that you work to understand these factors so that you can have a better sense of what kind of spray foam insulation prices you are looking at.

It’s not too complex, but it is vital that you are aware of these issues so that you can much more effectively work out how much you are likely to be paying for the installation of your spray foam insulation in the UK.

Let’s look at those key factors below.


Of course, as with anything else, the quantity that you get is going to make a huge difference to how much it is going to cost you.

When it comes to spray foam insulation calculations in the UK, the main way that quantity is worked out is by square footage or metre. Spray foam insulation cost per square metre UK is the best way to do this, and the way that is most common across the various companies that offer installation.

So you can take a look at the area that you are likely to need insulated, and work out roughly what kind of square metre you are talking about.

This will then be figured into the calculations by the contractor, and you will find that it is one of the biggest factors in figuring out how much you are likely going to pay for your insulation. So first work out this and you will start to get a sense of what you’re likely to be paying.


But quantity is not the only factor that you need to consider. Another major one that is likely to make a big difference is the labour costs. These can vary quite a lot, so it’s beneficial to use our comparison service to work out what the likely labour costs are of having the insulation put into place.

Generally, however, this is not going to cost you dearly, as the main cost will normally be the material itself, the actual spray foam.

However this is nonetheless something that you need to bear in mind as you do your calculations, and it’s an important figure in the average cost for foam insulation.


This is one that might be somewhat less obvious as a consideration, but it is nonetheless important that you don’t overlook it.

If your home is not that easily accessible, or parts of it are not, then you might find that this adds to the cost of having spray foam insulation installed in your UK home.

That’s due to a number of reasons: firstly, the insulation team might add more to the labour costs because of the difficulty, but also you might need to pay too, for instance, have a wall removed to make access easier.

So any difficulties in accessibility can soon increase the price, and it’s something to be aware of.


There are also different types of spray foam insulation, and that is going to make a difference to the likely cost as well.

You need to make sure that you are looking into the different types so you can determine which is most suitable for your property; whether open cell or closed cell spray foam.

If you’re confused about which spray foam insulation type is most suitable for your property? Click below to enquire.

The Average Cost For Spray Foam Insulation

All things considered, the average cost for foam insulation per square metre in the UK is about £27. As we have seen, there are many caveats around what might affect this price, but that is the average baseline that you are working with here, and that’s what you can expect.

For an average 3-bed house in the UK, the cost for 100mm open cell spray foam insulation would be between £3,500 to £7,000. For a 2-bed house, it’s more in the region of £3,150 to £4,900. And if you are in a bungalow it might range from £3,375 to £5,250.

Again, all of this will vary depending on those factors laid out above.

When you are looking for spray foam insulation, then, your best choice is to shop around and to make that easier you can use easy to use our comparison tool.

We use our trusted network to help you find the best deal with the right installer, thereby saving you money while also ensuring that you end up with the best quality insulation.


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