FREE Underfloor

Free Underfloor Insulation Grants Islay

Many homeowners diligently insulate their walls and roofs to enhance energy efficiency, often overlooking a significant source of heat loss: the floor. Even with cavity or solid wall insulation in place, homes can still lose up to 20% of their heating through uninsulated floors.

Addressing this overlooked area through floor insulation proves to be a prudent investment. While the initial cost may reach up to £3,000 for larger properties, the long-term benefits far outweigh the expense.

Underfloor insulation presents a non-intrusive solution that effectively retains heat within your home, leading to reduced heating expenses and overall energy efficiency improvements. Recognizing the importance of such measures, the Scottish government extends support through underfloor insulation grants available via the government’s Energy Company Obligation (ECO) scheme.

The primary objective of the ECO initiative is to aid Scotland in fulfilling its international commitment to diminish the nation’s carbon emissions. This entails major energy corporations allocating funds towards enhancing the energy efficiency of residential properties. Those meeting the criteria for eligibility can benefit from energy-saving enhancements covered by this fund.

Under the ECO4 program, succeeding the ECO3 initiative in 2022 and slated to operate until 2026, alongside the Affordable Warmth Obligation, individuals may qualify to have underfloor insulation installed at no cost, subject to specific eligibility prerequisites.

Installation of underfloor insulation beneath wooden or suspended timber floors can potentially curtail heat loss in households by as much as 15%.

The grant for free underfloor insulation is accessible to homeowners, owner-occupants, or tenants, provided they possess consent from the landlord.

Why apply for the underfloor insulation grant?

In Islay, homeowners with wooden or suspended floors have an opportunity to receive complimentary underfloor insulation, provided they meet specific eligibility requirements. Upon approval, certified professionals will visit your residence to install the insulation, aiding in heat retention and subsequently lowering energy costs while enhancing overall home comfort.

While investing in underfloor insulation independently can be financially burdensome, this initiative alleviates such concerns as the entire process incurs no cost to the homeowner. The benefits of underfloor insulation extend beyond financial savings, encompassing improved warmth and comfort throughout the house.

The ECO4 scheme, facilitating these insulation grants, remains accessible until March 31, 2026. However, it’s prudent to seize this opportunity promptly as eligibility criteria or grant availability may undergo alterations beyond this date.

Do You Qualify
For Free Underfloor Insulation?

Qualifying for free floor insulation isn’t a guarantee for everyone. Specific criteria must be met to be eligible for this benefit, especially when considering Pumps Islay as your location.

Homes constructed during or after the 1980s generally don’t meet the requirements for free floor insulation. This is primarily because older homes typically feature wooden floors, whereas newer constructions tend to have solid concrete ground floors, making them less eligible.

However, if your house includes a basement or is situated on a slope with a crawlspace beneath the ground floor, you might still have a chance to apply for the grant. Certain conditions apply, such as ensuring there’s at least one meter of headroom beneath the floor and accessibility via a hatch.

Additionally, for a property to qualify, at least two-thirds of its footprint must be suitable for underfloor insulation installation. This ensures the effectiveness and efficiency of the insulation process.

Even if you’ve had underfloor insulation installed previously, there’s a possibility to upgrade it using modern insulation materials. This ensures that your home remains well-insulated and energy-efficient, contributing to a comfortable living environment while potentially reducing energy costs.

There are also criteria that must be met by the homeowner occupying the house where the underfloor insulation is required. The homeowner must be a receiver of any of the following:

  • Pension Credit (Savings Credit or Guarantee Credit)
  • Employment and Support Allowance
  • Jobseeker’s Allowance
  • Working Tax Credit
  • Income Support
  • Child Tax Credit
  • Universal Credit
  • Housing Benefit

If your household’s annual income is £31,000 or less, you will also qualify under the ECO4 scheme.

In addition to all this, the house must be situated in Scotland, Wales or England and must be heated by gas.

Is Your Property Suitable
For Underfloor Insulation?

Not all residences are compatible with every type of insulation. Even in homes that may be suitable for wall or loft insulation, underfloor insulation presents its own unique considerations.

Residences featuring cellars, basements, or underfloor crawlspaces typically lend themselves well to underfloor insulation, provided there’s approximately one meter of clearance beneath the floor.

Suspended timber floors, commonly found in older properties, offer an opportunity for insulation. These floors not only experience significant heat loss but also offer ample space for insulation installation. Suspended timber ground floors consist of floorboards resting on joists above an open area.

Houses equipped with air bricks or ventilation bricks in the exterior walls beneath the damp-proof membrane at ground floor level are prone to significant heat loss. Such properties may be eligible for complimentary underfloor insulation.


When insulating the floor beneath a suspended floor in Islay, one effective method involves placing insulating mineral fibre below the exposed floorboards and securing it with netting fastened to the joists. This approach effectively traps heat and enhances energy efficiency.

Alternatively, spray foam offers a modern solution for floor insulation. The foam expands and adheres to the underside of wooden floors, effectively insulating the space and preventing heat loss.

It’s important to note that if your property features concrete floors, traditional floor insulation methods may not be applicable due to the absence of space beneath the concrete. In such cases, insulation is typically applied atop the concrete floors to achieve thermal efficiency.

The Advantages
Of Underfloor Heating

Ensuring a cozy and environmentally friendly living space extends beyond basic insulation and window upgrades. Specifically, in the context of Pumps Islay, prioritizing underfloor insulation proves pivotal in enhancing overall comfort while offering additional advantages:

Improved thermal efficiency

Optimizing thermal efficiency is paramount for homes in Islay, especially considering the island’s often chilly climate. Underfloor insulation stands as a pivotal solution to enhance this efficiency, curbing heat loss through the suspended timber floors. With the integration of wall and loft insulation, residences can bolster energy efficiency, effectively trapping warmth even amidst the coldest months. Conversely, during scorching days, the insulation acts as a shield, preventing excess heat from infiltrating indoors.

Mess-free installation

Implementing floor insulation boasts a remarkably straightforward and tidy process. The installation unfolds beneath the floorboards, nestled amidst the joists, thereby leaving no mess on the ground floor. Residents can carry on with their daily routines undisturbed as the insulation material seamlessly integrates into the flooring structure.

Reduced heating bills

The benefits extend beyond mere convenience; reduced energy consumption translates to tangible savings on heating bills. With homes retaining heat more effectively, heating systems operate with diminished strain, maintaining a cozy ambiance throughout. Consequently, occupants witness a noticeable reduction in energy expenditure, a particularly welcome relief amidst the colder seasons prevalent in Islay.

No need to redesign your floors

For owners of older homes, concerns over preserving architectural authenticity often arise. Thankfully, underfloor insulation obviates the need for extensive renovations. Unlike opting for a complete flooring overhaul, insulation materials snugly fit beneath the floor, requiring no significant structural modifications. Moreover, any existing insulation can be upgraded seamlessly, ensuring continued efficacy without compromising the property’s aesthetic charm.

Enhanced comfort

Insulation beneath the floors ensures a consistent, comfortable indoor environment. The discomfort of cold, draughty floors becomes a thing of the past, as insulation effectively blocks the ingress of chilly air through aging floorboards. Residents can revel in the luxury of warmth, irrespective of external weather fluctuations.

Increased house value

In today’s real estate landscape, energy efficiency commands a premium. By fortifying the home’s insulation across various components, including floors, lofts, and walls, homeowners enhance their property’s allure to potential buyers. The investment in insulation not only fosters sustainability but also amplifies the property’s market value.

Reduced condensation

Pumps Islay’s climate poses unique challenges, with uninsulated floors susceptible to condensation and subsequent mold growth. Underfloor insulation serves as a proactive defense, maintaining optimal surface temperatures and mitigating condensation-related issues. This proactive measure safeguards the structural integrity of the floors, ensuring longevity and minimizing maintenance expenses.

Noise reduction

For households spanning multiple levels or featuring basements, noise reduction emerges as a significant benefit of insulation. By attenuating the transmission of sound between floors, insulation fosters serene living environments conducive to relaxation and productivity.

Cost savings

Not only will you save on the costs of upfront installation if you are eligible for an insulation grant, but in the long term, you also stand to save a lot of money. Even if you have to pay out of pocket for your home’s insulation, over time it will pay for itself thanks to the reduction in heating bills.

Health and well-being

Beyond the financial savings accrued from reduced heating costs, insulation contributes to broader health and well-being outcomes. Stable indoor temperatures promote physical comfort and mental well-being, particularly crucial for vulnerable populations. The accessibility of underfloor insulation grants further underscores its pivotal role in fostering inclusive, sustainable living standards across Islay.

Underfloor Insulation
Building Regulations

When it comes to installing underfloor insulation and upgrading flooring in the UK, adherence to specific building regulations is crucial. The Building Standards 2017 serves as a comprehensive guide for meeting these standards, particularly focusing on energy efficiency and the integrity of the building insulation envelope.

Within Scotland’s Building Standards framework, the primary objective is to minimize heat loss and enhance the energy efficiency of all structures. These standards align closely with those set across the UK. Notably, one key metric is the U-value, which measures the thermal performance of upgraded floors.

In Scotland, the U-value for upgraded floors must not exceed 0.18 W/m2K, reflecting a stringent commitment to energy conservation. Conversely, in England, Wales, and Northern Ireland, the minimum U-value requirement stands at 0.25 W/m2K. This discrepancy underscores Scotland’s proactive stance towards bolstering energy efficiency measures.

How Much Could You Save A Year?

While professional installation of underfloor insulation in Islay can range from £300 to £3,000, particularly for larger properties, there’s an opportunity to access free underfloor insulation via ECO4 initiatives. The requirement is to insulate solely the ground floor.

Opting for this insulation can lead to substantial savings on your yearly energy expenses. As per the Energy Saving Trust, the average annual savings you can anticipate include:

• Detached house: £65

• Bungalow: £60

• Semi-detached house: £40

• Mid-terraced house: £25

The ECO scheme also offers other grants including room in roof (loft) insulation grants, cavity wall insulation, solid wall insulation, and inefficient gas boiler replacement.


Yes, you have the liberty to choose the installer for your insulation. However, it’s crucial that the installer is trade-registered, approved, and authorized to conduct the work under the ECO scheme. While there’s some flexibility in choosing the installer, your options may be somewhat limited to ensure compliance with program standards.

Underfloor insulation installation is typically swift and tidy. Once you meet the eligibility criteria, you’ll be given a scheduled installation date. The duration of installation can vary, usually completed within a few days, contingent upon property size and accessibility to the underfloor area. In certain urgent cases, emergency services are available for installation, which can be completed within a day.

To apply for free underfloor insulation under the ECO4 scheme, the initial step is confirming your eligibility for the grant.

Envirohomes Renewables simplifies this process for you. You can easily fill out the eligibility form on their website or directly reach out to them at 0141 459 0292. Subsequently, a member of their knowledgeable team will get in touch with you.

Envirohomes Renewables will serve as your reliable partner throughout the entire journey, from securing the funding to the seamless installation of your new underfloor insulation.

Get In Touch

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