Accreditations

TrustMark Registered Installers
All of the installers we work with are TrustMark registered, which means their work meets the government-endorsed standards of quality, safety, and customer care. TrustMark is the only official accreditation scheme for energy efficiency home improvements, giving you confidence that every installation is carried out properly, professionally, and to the highest standards.

Cyber Essentials Certified Plus

We take data protection seriously. That’s why our systems are Cyber Essentials Certified Plus, the government-backed certification for cyber security. This ensures that any personal details you share with us, from application forms to supporting documents, are stored and handled with the highest level of protection against cyber threats.

Our organisation is proud to be Trading Standards Approved, which is only awarded to businesses that demonstrate honesty, transparency, and fair practice. This recognition shows that we operate with integrity at every step, from the moment you get in touch, to the installation of your home improvements.

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Retrofit Assessor
A retrofit assessor carries out the detailed survey of your home before any energy-efficiency work begins. If you are having insulation, a heat pump or other measures installed through a government-backed scheme such as ECO4 or another grant, the assessment is the starting point — it captures the true condition of your property so that

What you’ll learnWhat a retrofit assessor does Why it matters to youRead full guide
Register
Registers are how you check that the people working on your home really hold the credentials they claim. Rather than taking a firm’s word for it, you can look them up on the official, public registers — free of charge and independent of the trader. Doing this before you commit is one of the simplest

What you’ll learnThe registers to check How to checkRead full guide
Installer
The installer is the business that actually carries out the work on your home — fitting insulation, a heat pump, solar panels or a new heating system. Whether you are paying privately or receiving help through a government grant, the credentials the installer holds are the clearest sign of whether the job will be done

What you’ll learnThe accreditation that matters Why it matters to youRead full guide
Government Bodies
Several public bodies set the rules for home energy-efficiency work and oversee the schemes that fund it. None of them installs anything or deals with you day to day, but they decide who is allowed to, how quality is enforced and where you can turn if something goes wrong. Knowing which body does what helps

What you’ll learnWho does what Why it matters to youRead full guide
Energy Provider
Energy suppliers are at the heart of the main home energy-efficiency schemes — not as a favour, but because the law requires it. If you have been offered free or subsidised insulation or heating through ECO4 or a similar grant, an obligated supplier is usually the organisation ultimately funding it. Understanding that role explains why

What you’ll learnObligated suppliers under ECO What it means for youRead full guide
Co Ordinator
The retrofit coordinator is the person who oversees an energy-efficiency project on your home from start to finish. Where the assessor surveys the property, the coordinator uses that information to plan the work, manage quality and sign it off. For any government-backed scheme — including ECO4 and other grants — having a qualified coordinator in

What you’ll learnWhat a retrofit coordinator does Why it matters to youRead full guide
Bodies
Certification bodies are the organisations that check installers and assessors against the standards, then certify them to work. They sit between the people doing work on your home and the schemes that require it to be done properly — and because you rarely deal with them directly, it helps to understand what they are for.

What you’ll learnWhat certification bodies do How it fits togetherRead full guide
Quidos
Quidos is one of the government-approved accreditation schemes that energy assessors in England and Wales can belong to. An Energy Performance Certificate (EPC) can only be produced by an assessor who is a member of such a scheme — so understanding what an accreditation scheme does tells you why an EPC, and the assessor behind

What you’ll learnWhat an EPC accreditation scheme does Why it matters to youRead full guide
Thermatic Homes
Business Overview Founded in 2014, Thermatic Homes Limited has become one of the UK’s most trusted delivery partners for the government’s Energy Company Obligation (ECO) scheme. Our mission is simple, to help homeowners, tenants, and landlords create warmer, more energy-efficient homes while cutting energy bills and reducing carbon emissions. As an ECO-approved installer and funding

What you’ll learnBusiness OverviewRead full guide
Gas Safe Register Training and Courses How to Get Certified
If you’re looking to become a qualified gas engineer in the UK, understanding the Gas Safe Register training pathway is essential. The process involves formal training, hands-on experience, and assessment to ensure you can safely work on gas appliances and systems. In this guide, we explain the types of training available, what to expect during

What you’ll learnWhat Is Gas Safe Register Training?Step-by-Step: How to Get Certified Costs and Duration of Gas Training in 2025 Do You Need Prior Experience?Read full guide
Business Example
Business Overview Curabitur ex mauris, pulvinar et finibus vitae, aliquet in nunc. Fusce imperdiet lobortis libero, non venenatis lorem faucibus eget. Phasellus at leo ante. Phasellus eu pellentesque purus. Aliquam mattis ante eu quam ornare aliquet. Integer auctor condimentum elit sed feugiat. Praesent ligula lectus, vehicula in laoreet vehicula, lacinia quis erat. Aenean magna massa,

What you’ll learnBusiness Overview Products & ServicesRead full guide
Who are Elmhurst?
Elmhurst Energy is the UK’s largest provider of energy assessments in the UK, specialising in providing environmental and sustainable energy services. This article will examine Elmhurst’s aspects, including its mission, services, expertise, and impact on sustainable energy. Elmhurst has a great name for themselves as a trusted partner for individuals, businesses, and organisations seeking sustainable

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IAA (Installation Assurance Authority)
The Installation Assurance Authority (IAA) is a non-profit organisation that assures homeowners, critical stakeholders, and funders that insulation work meets the highest standards. The IAA’s framework includes consumer protection, technical guidance, certification, the Competent Persons Scheme (CPS), installer surveillance, monitoring, training, and carding. The IAA was founded in 2009 by industry professionals concerned with the

What you’ll learnWhat does the Installation Assurance Authority do?How do I register my organisation with the IAA?Benefits of IAA registration Significance of InsulationRead full guide
UKAS (United Kingdom Accreditation Service)
Accreditation is essential for validating a company’s credibility and quality in business and services. The United Kingdom Accreditation Service (UKAS) is one such organisation that improves the international reputation of British enterprises. This article explores the essence of the UK Accreditation Service, what it does, and how businesses can become accredited by this prestigious organisation.

What you’ll learnWhat is the UK Accreditation Service (UKAS)?What is the role of the United Kingdom Accreditation Service (UKAS)?How do I register my company with the United Kingdom Accreditation Service (UKAS)?The Value of UKAS CertificationRead full guide
TrustMark
The hallmark of trust in any industry is the quality of services provided and the service provider’s integrity, transparency, and dependability. TrustMark, a government-backed programme in the United Kingdom, embodies these principles within the home improvement and professional industries. This article thoroughly overviews TrustMark, its functions, and how businesses can join this prestigious programme. What

What you’ll learnWhat is TrustMark?What is TrustMark’s purpose?How do I get my company Trustmark registered?The Benefits of TrustMark Registration for Your BusinessRead full guide
Stroma Certification
In an era in which energy efficiency and sustainability are becoming increasingly essential, the demand for services relating to building performance and energy consumption is accelerating. Stroma Certification is essential to this profession. This article will provide an overview of Stroma Certification, its functions, and how businesses can become certified. What is the Stroma Certification?

What you’ll learnWhat is the Stroma Certification?What is the function of Stroma Certification?How do I register for a Stroma Certification?Importance of Stroma AccreditationRead full guide
REFCOM (F-Gas Certification)
Fluorinated gases, also known as F-gases, have a great potential to contribute to global warming, and preventing their emission into the atmosphere is a top environmental concern. In the United Kingdom, REFCOM (Register of Companies Competent to Manage Refrigerants) is crucial to this process. This article will explore the specifics of REFCOM, its functions, and

What you’ll learnWhat Is REFCOM (F-Gas Certification)?What is the purpose of REFCOM (F-Gas Certification)?How do I enroll my company with REFCOM (F-Gas Certification)?The Importance of F-Gas Certification from REFCOMRead full guide
Property Care Association (PCA)
The Property Care Association (PCA) is a nationally recognised organisation that plays a significant position in the UK’s property and construction industries. It functions as a repository for knowledge and best practices, aiming to promote high standards and protect consumers. But what does the PCA do, and how does it benefit enterprises in the property

What you’ll learnWhat is the Property Care Association (PCA)?What is the Property Care Association (PCA) responsible for?How Do I Become a Member of the Property Care Association (PCA)?The PCA’s Future Role in Property MaintenanceRead full guide
Painting and Decorating Association (PDA)
The Painting and Decorating Association (PDA) is a prestigious and influential trade association in the United Kingdom that represents the interests of professional painters and decorators. The PDA, established in 1894, promotes excellence, high standards, and professionalism in the painting and decorating industry. This article examines the fundamental aspects of the Painting and Decorating Association

What you’ll learnWhat is the Painting and Decorating Association (PDA)?What is the purpose of the Painting and Decorating Association (PDA)?How do I join the Painting and Decorating Association (PDA)?Read full guide
OFTEC (Oil Firing Technical Association)
The Oil Firing Technical Association, also known as OFTEC, is a prominent trade association in the United Kingdom whose mission is to promote excellence in the oil heating and culinary industry. OFTEC, which has a long history since 1991, plays a crucial role in establishing technical standards, promoting safety, and representing the interests of the

What you’ll learnWhat is the Oil Firing Technical Association (OFTEC)?What is the OFTEC (Oil Firing Technical Association) responsible for?How do I register my company with the Oil Firing Technical Association (OFTEC)?Read full guide
NFB (National Federation of Builders)
The National Federation of Builders (NFB) is a prominent and influential construction industry trade association. The NFB is committed to representing the interests of construction companies and professionals in the United Kingdom and has done so for decades. This article explains the fundamental aspects of the NFB, including its mission, functions, and registration procedure for

What you’ll learnWhat is the National Federation of Builders?What is the function of the National Federation of Builders (NFB)?How Do I Join the National Federation of Builders (NFB)?Read full guide
National Federation of Roofing Contractors (NFRC)
The National Federation of Roofing Contractors is a prominent industry trade association. The National Federation of Roofing Contractors (NFRC) performs an important role in representing the interests of roofing contractors and ensuring quality roofing practices throughout the United Kingdom. This article will explore the fundamental aspects of the NFRC, including its mission, functions, and registration

What you’ll learnWhat is the National Federation of Roofing Contractors?What is the purpose of the National Federation of Roofing Contractors (NFRC)?How Do I Become a Member of the National Federation of Roofing Contractors (NFRC)?NFRC Membership BenefitsRead full guide
NAPIT (National Association of Professional Inspectors and Testers)
Who or what is the National Association of Professional Inspectors and Testers? The National Association of Professional Inspectors and Testers, also known as NAPIT, is one of the most prominent Government-approved membership programmes for professionals in the building services sector in the United Kingdom. NAPIT was founded in 1992, and its primary function is to

What you’ll learnWho or what is the National Association of Professional Inspectors and Testers?What is the National Association of Professional Inspectors and Testers (NAPIT) role?Offering Certification Services Code of conductRead full guide
MCS (Microgeneration Certification Scheme)
What Is the MCS (Microgeneration Certification Scheme), and Who Is It? The Department of Business, Energy, and Industrial Strategy has sanctioned the Microgeneration Certification Scheme (MCS) as a nationally recognised quality assurance programme. MCS, founded in 2008, certifies microgeneration technologies that generate electricity and heat from renewable sources. In addition, it certifies installation companies to

What you’ll learnWhat Is the MCS (Microgeneration Certification Scheme), and Who Is It?What does the Microgeneration Certification Scheme (MCS) accomplish?How do I register my company with the Microgeneration Certification Scheme (MCS)?MCS (Microgeneration Certification Scheme) BenefitsRead full guide
LABC (Local Authority Building Control)
What is Local Authority Building Control (LABC)? Local Authority Building Control (LABC) is a non-profit organisation representing building control personnel in local authorities throughout England and Wales. LABC collaborates with businesses, homeowners, architects, and construction industry professionals to ensure that buildings meet the building regulations’ safety, health, and efficiency requirements. LABC is England and Wales

What you’ll learnWhat is Local Authority Building Control (LABC)?What is the purpose of LABC (Local Authority Building Control)?How do I register my company with the Local Authority Building Control (LABC)?Impact of LABC on the Industry (Local Authority Building Control)Read full guide
HICS (Home Improvement Consumer Protection Scheme)
Who or what is the Home Improvement Consumer Protection Scheme (HICS)? The Home Improvement Consumer Protection Scheme (HICS) is a consumer protection organisation in the United Kingdom committed to protecting homeowners and assisting businesses within the home improvement industry. HICS is a leader in providing protection and confidence to consumers and a vast array of

What you’ll learnWho or what is the Home Improvement Consumer Protection Scheme (HICS)?What is the purpose of HICS (Home Improvement Consumer Protection Scheme)?How do I register my company with the Home Improvement Consumer Protection Scheme?Benefits of HICS MembershipRead full guide
Glass and Glazing Federation (GGF)
The Glass and Glazing Federation is a leading trade association representing British and international businesses involved in all aspects of flat glass manufacturing and products and services for all varieties of glazing. The GGF was founded in 1977, with roots dating back to the 1920s in the National Federation of Glaziers, and it continues to

What you’ll learnWhat is the Glass and Glazing Federation (GGF) responsible for?Advocacy and Administration Information and Direction Member AssistanceRead full guide
National Inspection Council for Electrical Installation Contracting (NICEIC)
The National Inspection Council for Electrical Installation Contractors is a prestigious and authoritative organisation in the electrical industry. NICEIC plays a crucial role in protecting consumers and elevating the professionalism of electrical contractors in the United Kingdom. It was founded to promote electrical safety and ensure the highest standards of artistry. This article examines the

What you’ll learnWho is the National Inspection Council for Electrical Installation Contractors?What are the National Inspection Council for Electrical Installation Contracting responsibilities?Technical Evaluations and Certification:Electrical Contractor Registration Requirements:Read full guide
FENSA: Demystifying the Fenestration Self-Assessment Scheme
In the United Kingdom, FENSA (Fenestration Self-Assessment Scheme) is a well-known self-certification scheme committed to assuring the quality, safety, and compliance of replacement windows and doors installations. FENSA, established in 2002, has become a respected authority in the glazing industry, providing homeowners and businesses with assurance in the quality of their glazing installations. This article

What you’ll learnWhat is the Fenestration Self-Assessment Scheme (FENSA)?What Does FENSA (Fenestration Self-Assessment Scheme) Do?How Do I Register My Business With FENSA (Fenestration Self-Assessment Scheme)?The establishment of FENSA has greatly simplified the certification procedure for glazing installations.Read full guide
Federation of Master Builders (FMB)
The Federation of Master Builders is a prominent trade association in the United Kingdom committed to promoting excellence, professionalism, and quality in the construction and building industry. Since its founding in 1941, the FMB has been instrumental in advancing the construction industry. This article will examine the Federation of Master Builders, its role in the

What you’ll learnWho are the Federation of Master Builders?What activities does the Federation of Master Builders (FMB) engage in?How Do I Become a Member of the Federation of Master Builders (FMB)?Read full guide
ECA (Electrical Contractors’ Association)
The Electrical Contractors’ Association is a leading trade association in the United Kingdom that promotes excellence, professionalism, and safety in the electrical contracting industry. Since its founding in 1901, the ECA has been a propelling force in the advancement of the electrical industry. This article will discuss the significance of ECA, its role in the

What you’ll learnWhat is the Electrical Contractors Association?What does the Electrical Contractors Association accomplish?Safety and Compliance How do I register my company with the Electrical Contractors Association?Read full guide
CORGI Fenestration (Confederation of Registered Gas Installers)
Heating, cooking and other essential services are provided by gas installations in our residences and commercial buildings. The Confederation of Registered Gas Installers (CORGI) Fenestration was established to guarantee the safety and effectiveness of gas installations. This article examines the significance of CORGI Fenestration, its role in the gas installation industry, and the registration procedure

What you’ll learnWho are CORGI?What does the Confederation of Registered Gas Installers (CORGI Fenestration) do?How Do I Register My Business With CORGI Fenestration?Read full guide
Association of Plumbing and Heating Contractors (APHC)
The plumbing and heating industry is the backbone of our homes and businesses—keeping our showers hot, our pipes leak-free, and our buildings safe. Behind every well-functioning system, there’s a network of skilled professionals making it all work seamlessly. But who ensures these contractors meet the highest standards? That’s where the Association of Plumbing and Heating

What you’ll learnSo, What Exactly Is APHC?What Do APHC Members Actually Do?Thinking About APHC Membership? Here’s How It Works Benefits of Becoming an APHC MemberRead full guide
TrustMark License Plus
The Initial Installer to Acquire TrustMark License Plus. Dyson Energy Services is proud to be the first to earn TrustMark Licence Plus. This year, Dyson celebrates four decades in the energy efficiency business. They estimate that they have installed up to 3 million energy-saving solutions in UK homes over the previous four decades. Significantly decreasing householders’

What you’ll learnLicence Plus is a vital avenue for TrustMark Scheme Providers.Curious about TrustMark Licence Plus?What is the Trustmark plus license?The program was developed to aid in the development of the supply chain by promoting the tradespeople’s increased engagement with competencies.Read full guide
A Guide to Energy Accreditation Providers in the UK
Providers of energy accreditation play a vital role in promoting energy efficiency and sustainability in the UK. To ensure conformance with industry standards and government regulations, these organisations certify energy assessors, products, and installers. In this guide, we will discuss the leading energy accreditation providers, the benefits of accreditation, and how to select the most

What you’ll learnLeading UK Energy Accreditation Providers Global Wind Service is the first Type C inspection body accredited against ISO/IEC 17025 for the statutory inspection of wind farms in the UK.Benefits and Importance of Accreditation How to Acquire CertificationRead full guide
What is Trustmark?
TrustMark is the UK’s Government-Endorsed Quality Scheme for home improvements, energy efficiency, and retrofitting. Established in 2005 as a not-for-profit social enterprise, it was created through collaboration between government, industry bodies, and consumer protection organisations. TrustMark’s mission is to raise standards across the home improvement and energy retrofit sectors by ensuring quality workmanship, technical competence,

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