Internal Wall Insulation


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What is Internal Wall Insulation?

Internal Wall Insulation involves adding insulation to the inside of your home. This can be achieved by installing rigid insulation boards directly onto the wall or constructing a stud wall filled with mineral wool fiber.

What are the advantages?

  • Experience instant warmth; a house without insulation can lose up to 35% of its heat through its walls.
  • Internal Wall Insulation contributes to lowering your energy bills.
  • Reduce your carbon footprint by improving your home's energy rating.

How much does it cost?

This measure can be installed and fully funded under the Government Grant Scheme (ECO4).*

*Subject to successful qualification for ECO4 funding.

How long does it take?

While it can vary depending on the size of the property, on average the process takes 3 - 5 days.

Want to learn more about Internal Wall Insulation?

Reach out to us today, and one of our team members will schedule a complimentary survey at your property. This will assist us in providing a customized quote based on your specific requirements.

Call us today on 0800 193 0026 to discuss your requirements with a friendly member of our team or click here to send us a message
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ECO4 Grant funding in Scotland


The ECO4 scheme in Scotland offers grants to homeowners and private tenants to enhance energy efficiency and reduce heating expenses. Available until March 2026, this government-funded program aims to lower energy bills and decrease carbon emissions.

Through the scheme, energy suppliers must provide grants for energy-saving measures across three categories: heating, insulation, and low-carbon technologies. These measures can include cavity wall insulation, solid wall insulation, solar panels, and heat pumps.

For a household to qualify for the ECO4 grant, it must meet both of the following conditions:

Energy Rating: The property must have a low energy rating, specifically in the E to G range. This means the property's Energy Performance Certificate (EPC) should indicate an energy efficiency rating within this range.

High Energy Costs: The property must have high energy costs. Ofgem typically defines high energy costs for properties that use electric heating or are off the gas grid, relying on alternative heating sources like oil or LPG (liquefied petroleum gas) boilers.

In addition, a member of the household must be in receipt of one of the following means-tested benefits:

  • Working Tax Credits
  • Child Tax Credits
  • Income Support
  • Income-based ESA
  • Income-based JSA
  • Pension Savings Credit
  • Pension Guarantee Credit
  • Housing Benefit
  • Universal Credit

Check your eligibility by completing our Suitability Survey below

What is the Great British Insulation Scheme?

The Great British Insulation Scheme (GBIS) is a government initiative designed to help residents insulate their homes, enhance energy efficiency, and reduce energy costs. The scheme will be in effect until March 2026.

Under this scheme, energy suppliers are required to assist customers in lowering their heating bills by installing energy efficiency measures. In some cases, a contribution may be required from the homeowner, depending on the specific measure and any property issues.

The scheme complements the Energy Company Obligation (ECO4) scheme, yet unlike ECO4’s ‘whole house’ approach, this scheme will mostly deliver single insulation measures.

The GBIS provides a range of primary and secondary insulation measures.

Primary Measures (available to both eligibility groups):

Cavity wall insulation (including party walls)
External/internal/hybrid wall insulation
Loft insulation
Room-in-roof insulation
Pitched roof insulation
Floor insulation
Park home insulation
Solid wall insulation

Secondary Measures (available only to the low-income eligibility group):

Thermostatic radiator valves (TRVs)
Boiler programmer & room thermostat

Secondary measures are only available if a primary insulation measure has been installed in the same property under the scheme.

The GBIS targets two groups: the general eligibility group and the low-income and social housing group. Below are the requirements for each group.

General Eligibility Group:

- Properties in council tax bands A-D in England
- Properties in council tax bands A-E in Scotland
- Properties in council tax bands A-E in Wales with a SAP rating of D or below

Low-Income Group and Social Housing:

Householders receiving specific benefits or those below the equivalised income threshold for Child Benefit recipients.

Eligible benefits include:

- Income-based Jobseekers Allowance
- Income-related Employment and Support Allowance
- Income Support
- Pension Credit Guarantee Credit
- Working Tax Credit
- Child Tax Credit
- Universal Credit
- Housing Benefit
- Pension Credit Savings Credit
- Child Benefit

Check your eligibility by completing our Suitability Survey below


Find out if you qualify for government funding by completing the Suitability Survey below

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Step 1 of 7

Which type of fuel currently heats your home?*