Around two-thirds of homes in the UK are facing insulation issues, as they have an Energy Performance Certificate (EPC) rating of D or lower. You can find your home energy certificate here. These low ratings are causing two significant problems across the country: increased carbon emissions and expensive energy bills, which are not ideal during a period of high living costs.

To safeguard your home from rising energy bills in the UK, considering spray foam insulation may be a viable option. To find out more on the cost of this insulation method, continue reading. Alternatively, you can quickly fill out a form with essential details to access the best deals on spray foam insulation. Our trusted insulation installers will offer their top insulation deals after receiving your information.

What’s on this page?

1. How much does spray foam insulation cost?

2. How much can you save from spray foam insulation?

3. What factors affect the cost of spray foam insulation?

4. Government grants for spray foam insualtion

5. Return on investment from spray foam insulation

6. Find the right spray foam insulation installer

How much does spray foam insulation cost?

The cost of installing spray foam insulation in a three-bedroom semi-detached property is estimated to be £4,080. This price may appear steep as spray foam insulation is typically more costly than other insulation types due to its high insulation capabilities.

The price range for spray foam insulation is £20-£50 per square metre and varies based on its thickness. To provide an estimate of the cost of spray foam insulation for your property, we've taken the median price of £35 per square metre and outlined the amount homeowners would need to pay to insulate different types of properties.

The below table shows the average cost of 100mm-thick spray foam insualtion for different type of house:

The below table gives you an estimated cost on different spray foam insulation projects:

It's important to consider labor costs when calculating the total cost of insulation, as they can vary based on the level of work required.

Typically, tradespeople charge between £150-£200 per day for installing loft insulation accroding to checktrade. However, if additional tasks like relocating electrical wires or loft boarding are necessary, the cost may increase.

If you're interested in spray foam insulation, Eco Energy Expert offers a convenient service that provides up to four quotes from licensed installers in your local area. This free service allows you to compare quotes and find the best deal possible, streamlining the process of finding an installer.

How much can you save from spray foam insulation?

Insulating a three-bedroom semi-detached house can lead to an annual energy bill saving of up to £540, although the actual savings will vary depending on the size and type of property. Studies suggest that spray foam insulation can lead to savings of up to 50% when compared to traditional home insulation products. The table below illustrates the potential savings from insulation for different types of properties. Data is from The Energy Savings Trust.

What factors affect the cost of spray foam insulation?

Several factors determine the cost of spray foam insulation, such as:

• The size of the property to be insulated

• The thickness of the foam required

• The type of spray foam used, either open or closed cell

• The time needed to complete the installation.

Government grants for spray foam insualtion

The Energy Company Obligation (ECO) is the primary grant available to UK residents seeking to insulate their homes. The ECO4 program began in April 2022 and will run through 2022-2026.

Obligated energy suppliers collaborate with local companies to install energy-efficient measures like wall or loft insulation in homes across the UK under the ECO4 program. Furthermore, these suppliers fund the installation, meaning that eligible homeowners do not have to pay anything.

Who’s eligible?

To be eligible for the ECO4 scheme, Ofgem states that you must be a core group customer from scheme year nine onwards under the Warm Home Discount Scheme or receive at least one of the following benefits: Armed Forces Independence Payment, Attendance Allowance, Carer's Allowance, Child Benefit, Constant Attendance Allowance, Disability Living Allowance, Pension Guarantee Credit, Income-Related Employment and Support Allowance (ESA), Income-Based Jobseeker's Allowance (JSA), Income Support, Industrial Injuries Disablement Benefit, Mobility Supplement, Personal Independence Payment, Severe Disablement Allowance, Tax Credits (Child Tax Credits and Working Tax Credits), or Universal Credit. If you are living in social housing with an EPC rating of E, F, or G, you may also be eligible for the scheme.

Find the right spray foam insulation installer

If you're interested in investing in the most efficient insulation, fill out this short form. We will then connect you with our reliable insulation installers who will offer you quotes for spray foam insulation, which you can compare.