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Spray foam insulation grants and financial support options

Explore the best spray foam insulation grants to keep your home warm this winter

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What's In This Guide

Your guide to spray foam insulation grants

Spray foam insulation is a versatile way to insulate and reduce energy costs, and there are a number of insulation grants that you can take advantage of to reduce the cost of spray foam insulation even more! But is it the right choice for your home? Insulation foam is a unique way to seal any air gaps, creating an airtight envelope. The liquid compound can be used in walls, floors and ceilings to trap warmth and make your home more energy efficient. 

 

The UK has some of the lowest energy-rated homes in Europe. In England alone, 44% of houses have an EPC energy rating of D. Still, there’s plenty of financial support around to improve your home’s energy rating and make significant savings on your bills.  

 

Spray foam insulation is incredibly effective at locking in heat. But the technology doesn't come cheap. Fortunately, financial support and insulation grants are available. Your loft spray insulation could be much more affordable - or even free. If you're asking yourself, "Are there home insulation grants available from the government?" the answer is a resounding yes. Look out for the Great British Insulation Scheme funded through ECO4.

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Why consider cavity wall or loft spray insulation?

Spray foam insulation is a savvy long-term investment that has a big impact on your bills. And using less energy to heat your home reduces your carbon footprint. The government recognises that more must be done to heat our homes sustainably. Hence, there is a plethora of schemes and grants to help you make the switch. 

 

Financial assistance is dynamic, and spray foam insulation grants change all the time. Read on to discover how you could fund your loft spray insulation and stay cosy this winter. 

Compare and save with SpotDif 

Need help finding the right provider? SpotDif has you covered. It's our goal to make it straightforward to find and compare loft spray insulation providers in your area. We'll find the best deal for your budget in just a few clicks. 

 

Ready to insulate your home? Let SpotDif help you find your ideal insulation solution. 

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How much does spray foam insulation cost in the UK? 

There's no denying that spray foam insulation is expensive. Especially compared to DIY insulation materials like glass wool or EPS. The National Insulation Association recommends a guide price of £20-£50 per sq m, depending on thickness and the type of foam used. Other costs that can impact installation include the size of your property, any repair work and any additional ventilation required. 

 

Expect to pay £2,500 for professionally installed loft spray insulation for a typical three-bedroom semi-detached house. But SpotDif can help you find the best deals on installers using our comparison tool, so we recommend that if you’re looking for the best deals, we can help you.

Grants available for spray foam insulation

Fortunately, if you're considering this highly effective material, insulation grants are available. Energy firms are obligated to support customers with home insulation grants through the Electricity Company Obligation Scheme or ECO4. Spray foam insulation grants and other energy-efficient home improvements are administered by Ofgem.

Great British Insulation Scheme 

Are you a homeowner, tenant or landlord in the UK? You could be eligible for home insulation grants to cover part or all of your costs. Your home should have an EPC of D-G and be in Council Tax band A-D (England) or A-E (Scotland and Wales). The scheme doesn’t cover Northern Ireland. 

 

Through the Great British Insulation Scheme, you could qualify for: 

 

  • Cavity wall insulation 

  • Loft insulation 

  • Underfloor insulation 

  • Park home insulation 

 

Before you check your eligibility online, you’ll need to know: 

 

  • Your total household income 

  • If anyone receives qualifying benefits, as you could be entitled to extra help 

 

If you are eligible for help, your energy supplier will contact you to arrange a home assessment. As a result, they’ll let you know what work can be done and if you need to pay anything. 

ECO4 grant

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You could be eligible for ECO4’s home insulation grants if you’re a homeowner, tenant or landlord. You’ll need to receive income-related benefits like Universal Credit, Child Tax Credits or a state pension to qualify. 

 

The scheme was put into place to cover low-income households in England, Wales and Scotland. Free insulation grants are available for eligible families. These can help you improve your home's energy efficiency and significantly save on your energy bill. 

 

Not receiving benefits but living in energy poverty in a hard-to-heat home? You could still get financial help for energy-saving improvements through LA FLEX or LADS. Check whether you’re eligible for insulation grants and other energy-efficiency measures. 

 

Interested in ECO4’s cavity wall spray foam insulation grants? You can check your eligibility online or make a straightforward application.  

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Previous government insulation schemes and grants

The government is pushing on to achieve its Net Zero by 2050 target. As a result, more funding is available for energy-efficient improvements, including boiler replacement, front door and insulation grants. But it's worth reviewing past schemes to understand what's been successful.  

 

The funding landscape is fast-evolving, so don’t miss out on any home insulation grants in the future. 

Carbon Saving Community  

The Carbon Savings Community scheme ran until March 2015. An early iteration of the Energy Company Obligation, it aimed to lower the UK’s carbon footprint with grants for insulation and heat pumps. Free grants were available for vulnerable, low-income households to improve energy efficiency. 

Green Homes Grant Scheme 

The Green Homes Grant Scheme provided grants of up to £5,000 to help cut greenhouse gas emissions. Most property types were eligible for primary measures, including insulation and low carbon heating, and secondary measures, like double glazing and smart heating controls. Despite its ambitions, the scheme was withdrawn in 2021.  

How to find and apply for an insulation grant

Finding and applying for home insulation grants is straightforward: 

 

  • Apply for the Great British Insulation Scheme at Gov.UK 

  • Check the ECO4 website for available insulation grants and eligibility. 

  • Try Grants.Online for UK-wide insulation grants and more. 


  • UK Energy Support has help on applying for insulation grants across the UK, 

 

Before you complete your application, check your eligibility with the grant provider. Generally, you’ll need to be: 

 

  • A homeowner or tenant 

  • Receiving income-related benefits 

  • Living in a property with an EPC of E and below.

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Is spray foam insulation right for your property? 

So, with all these grants and financial schemes available, spray foam insulation seems like a no-brainer. However, while this type of insulation has plenty of advantages, it’s important to recognise that there are pros and cons. As such it’s not always suitable for every property. 

Let’s take a look at the types of spray foam available and what they might mean for your property.


Closed-cell spray foam 


Closed-cell foam sets into a rigid material, creating a solid barrier. The foam traps the heat in multiple gas pockets, so energy is slowly lost. Closed-cell foam is often used in roof spaces where it gives additional support to the structure. It's worth bearing in mind that this material also creates a moisture barrier, so your loft should be well-ventilated to prevent condensation. 

 

Open-cell spray foam 


By contrast, open-cell spray foam has a looser texture, so you'll need a much thicker layer to provide the same level of insulation. However, it's very effective as sound insulation as it blocks airflow. Additionally, the more open texture allows moisture through to prevent condensation.  


Working out if it’s right for your property


But is loft spray insulation suitable for your home? It's worth taking the pros and cons into account to make an informed decision: 

 

Pros: 

  • Creates an airtight envelope: The foam expands in place, sealing any gaps. 

  • Durable and long-lasting: Spray foam insulation won’t compress over time and provides excellent structural support. 

  • Compact: You only require 100mm of foam to provide a complete insulation solution, leaving you with more loft storage space. 

  • High R-value: Loft spray insulation has a higher R-value than batts and blown-in solutions. 

  • Creates an air and moisture barrier: Spray foam is incredibly effective at creating a barrier against air and moisture. 

  • Can be sprayed in hard-to-reach areas: Because the foam expands in place, it’s ideal for use in difficult-to-reach ceiling voids. 

 

Cons:  

  • Expensive compared to other insulation types: Spray foam insulation may create long-term savings but has high upfront costs. 

  • Requires professional installation: Spray foam insulation must be installed appropriately, as the material can release potentially harmful fumes. A professional installer will also avoid any electrics in the loft space to avoid fire risk. 

  • May affect the value of your property: Loft spray insulation should always be used with ventilation to prevent condensation build-up that could affect your home. 

 

Every property is different, so it's worth getting professional advice. Poorly applied spray foam insulation can be challenging to remove and must be professionally installed. While spray foam insulation is suitable for most properties, it's unsuitable for listed buildings, properties in conservation areas and houses with a thatched roof. 

 

Still trying to decide whether spray foam insulation is suitable for your home? Find a professional installer who'll talk you through the process and make recommendations for your property. 

Spray Foam Comparisons

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Search and compare foam insulation providers with SpotDif 

If you’re looking to insulate your home and save on your bills, there’s plenty of support available. If you’re ready to install spray foam insulation, then SpotDif has you covered. 

 

Compare professional spray foam insulation installers in your area and get ready for a more sustainable future. 

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Anna Dearden
Home sector specialist
I'm driven by curiosity, and constantly seeking to unravel and explore the ever-evolving trends in the realms of lifestyle, finance, and well-being.
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