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Government Crackdown on Poor-Quality External Wall Insulation.

Writer's picture: Anne-Marie KeaneAnne-Marie Keane
external wall insulation

Protecting Households and Upholding Standards

In a decisive move to safeguard homeowners and ensure the integrity of energy efficiency initiatives, the UK government has taken stringent action against 39 companies found to be delivering substandard external wall insulation installations. This suspension follows an extensive investigation into complaints from homeowners, highlighting significant concerns regarding poor workmanship, non-compliance with industry standards, and potential long-term structural damage to homes.


Addressing Complaints of Poor Workmanship: poor quality external wall insulation


The government’s intervention was necessitated by a growing number of reports from homeowners who had received inadequate insulation services under various schemes, including the Energy Company Obligation 4 (ECO4) and the Great British Insulation Scheme (GBIS). Common complaints included improper installation methods, failure to comply with insulation guidelines, and workmanship that left properties vulnerable to dampness, mould, and structural deterioration.

External wall insulation is designed to improve energy efficiency by reducing heat loss, thereby lowering energy bills and enhancing the comfort of homes. However, when installed incorrectly, it can lead to numerous issues, including:

  • Condensation and Damp – Poor installation can prevent walls from ‘breathing,’ trapping moisture and leading to mould growth, which poses health risks to residents.

  • Thermal Bridging – If insulation is not applied correctly, cold spots can develop, negating the intended energy-saving benefits.

  • Aesthetic and Structural Damage – Improperly applied insulation can lead to cracks, staining, and long-term degradation of external walls.


Given the serious nature of these concerns, the government has suspended 39 companies from undertaking any further insulation work while a thorough review of their practices is conducted.


Nationwide Audits of ECO4 and GBIS Contractors

EWI companies suspended

To restore confidence in home insulation schemes, the government has announced a comprehensive audit of all companies participating in ECO4 and GBIS. This rigorous examination will assess:

  • Compliance with building regulations and industry standards

  • The quality and longevity of past installations

  • Customer complaints and resolution records

  • The professional qualifications and training of installers


While these checks are essential to ensuring the highest standards, they have inevitably led to delays in processing applications for funding and insulation work. Homeowners seeking support through ECO4 and GBIS should anticipate longer waiting times due to the thorough vetting process now in place. This, however, is a necessary step to prevent further issues and ensure that only qualified, reputable companies are entrusted with delivering insulation solutions.


Industry Leaders Setting a Gold Standard

While many companies have come under scrutiny, some organisations continue to uphold the highest standards in insulation installation. The Eco Advisory Bureau is one such company that remains unaffected by the suspensions. Thanks to its rigorous internal quality control measures and dedication to customer satisfaction, the Bureau has emerged as a benchmark for excellence in the industry.

Eco Advice External Wall Insulation

The Eco Advisory Bureau has established itself as a leader through:

  • Stringent Contractor Vetting – Only highly skilled and certified contractors are permitted to undertake installations on behalf of the Bureau.

  • Internal Auditing and Quality Assurance – Each project undergoes multiple layers of inspection to ensure compliance with industry standards.

  • Exceptional Customer Service – Homeowners benefit from clear communication, transparent processes, and dedicated support throughout the insulation process.

Due to these high standards, The Eco Advisory Bureau continues to thrive and contribute significantly to making UK homes warmer, more energy-efficient, and environmentally sustainable.


What Homeowners Should Do if They Suspect Poor Insulation Work


For homeowners who have already had external wall insulation installed, it is crucial to assess the quality of workmanship and identify potential issues. Signs of poor insulation installation include:

  • Unexplained increases in heating bills despite insulation being installed

  • Visible cracks, gaps, or peeling on external walls

  • Persistent dampness, condensation, or mould growth inside the property

  • Uneven wall surfaces or insulation materials coming loose


Steps to Take If Your Insulation is Faulty

  1. Contact the Installer – If you experience any issues, the first step is to reach out to the company that carried out the work. Reputable installers should offer a warranty and be willing to rectify any problems.

  2. Check for Certification – Ensure that the company was certified under an industry-recognised scheme such as TrustMark and PAS 2035.

  3. Seek Guidance from Consumer Protection Bodies – Organisations such as the National Residential Landlords Association (NRLA) and Ofgem provide guidance on resolving disputes related to poor-quality insulation work.

  4. Explore Remediation Options – In cases where an installer is unresponsive or has ceased trading, government-backed schemes may offer remediation support for affected homeowners.


A Commitment to Quality and Consumer Protection

Insulation company suspended

The government remains steadfast in its commitment to ensuring that all insulation installations meet the highest possible standards. By suspending non-compliant companies, conducting thorough audits, and promoting best practices within the industry, authorities are taking crucial steps to protect homeowners and uphold the credibility of energy efficiency schemes.


Homeowners can take reassurance from the Government crackdown on poor quality external wall insulation and fact that stronger regulatory oversight is now in place. By prioritising quality workmanship, compliance, and consumer protection, the UK government is ensuring that the benefits of insulation initiatives are fully realised, contributing to a greener, more energy-efficient future for all. Government Crackdown on Poor-Quality External Wall Insulation.


For more information on affected companies, auditing procedures, and homeowner guidance, visit the official UK government website, Trustmark or Ofgem.

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