Empowering a Sustainable Future, One Home at a Time
At Grant UK, our commitment to innovation, quality, and customer satisfaction has been unwavering since our inception. With a rich heritage dating back over 50 years, we have evolved from a small family-run business to a leading manufacturer of oil boilers and renewable heating solutions. Today, we are proud to be a trusted partner for homeowners and professionals alike, providing expert guidance and turnkey solutions for the installation and maintenance of our products.
Our Services
We take pride in offering a comprehensive range of products and services, designed to meet the unique needs of our customers. From oil boilers to air source heat pumps, hybrids, underfloor heating, and more, our product portfolio is designed to provide efficient, reliable, and environmentally friendly solutions for the installation and operation of heating systems.
Product Portfolio
Our product range includes:
- Oil Boilers: Our oil-fired boilers are designed to provide reliable and efficient heat, perfect for homes and commercial properties.
- Air Source Heat Pumps: Our air source heat pumps provide sustainable and renewable energy solutions for heating and hot water.
- Hybrids: Our hybrid solutions combine the benefits of multiple heating systems, offering a robust and efficient solution for customers.
- Underfloor Heating: Our underfloor heating systems provide a comfortable and energy-efficient way to heat your home or commercial property.
- Aluminium Radiators: Our high-quality aluminium radiators provide a stylish and efficient way to distribute heat throughout your property.
- Cylinders: Our cylinders offer a reliable and efficient solution for hot water storage.
- Solar Thermal: Our solar thermal solutions harness the power of the sun to provide hot water and heating.
Support and Services
In addition to our comprehensive range of products, we also offer a range of services designed to support our customers through every stage of their heating system's lifecycle. These services include:
- Product Support: Our dedicated product support team is available to answer any questions and provide technical guidance.
- Find an Installer: Our network of trusted installers and service engineers is available to assist with installation, maintenance, and repair.
- Extended Warranties: We offer extended warranty options to provide peace of mind and protection for your investment.
- ServicePlan: Our ServicePlan package provides a preventative maintenance program designed to keep your heating system running efficiently and effectively.
- Knowledge Hub: Our knowledge hub is a valuable resource, featuring tips, advice, and industry insights to help you get the most out of your heating system.
Expertise and Innovation
At Grant UK, we are committed to staying at the forefront of innovation and expertise in the heating industry. Our team of dedicated professionals, comprising of expert engineers, technicians, and customer service representatives, is dedicated to delivering exceptional customer service and support.
Our Story
Our story began in the 1930s when our founder, Mr. Grant, started a small family business, which would eventually evolve into the Grant UK we know today. Over the years, we have grown and evolved, but our commitment to quality, innovation, and customer satisfaction has remained unwavering.
Contact Us
If you have any questions, require product information, or need assistance with your heating system, please do not hesitate to contact us. Our dedicated team is always happy to help.
Poor Quality and Customer Service
The majority of customers who have purchased and installed Grant boilers have experienced poor quality and disappointing customer service. Several reviewers have reported issues with the boilers, including faulty equipment, poor performance, and a lack of effective support from the company.
Unreliable Product
Reviewers have reported a range of issues with Grant boilers, including failure to function properly, constant breakdowns, and a lack of reliability. Many have expressed disappointment and frustration with the company's response to these problems, citing poor customer service and a lack of effort to resolve issues.
Ineffective Customer Service
Several reviewers have highlighted the poor customer service provided by Grant. Many have reported difficulty in getting in touch with the company, and when they do, they are often met with unhelpful or unresponsive staff. Some have even claimed that the company has lost paperwork and failed to follow up on complaints.
Unpleasant Experience
One reviewer described their experience with Grant as "absolutely terrible." They reported numerous issues with their boiler, including failure to function properly, and a lack of effective support from the company. Another reviewer described the company as "rude and ignorant, " claiming that they have been unable to get in touch with them for over a year.
Disappointment and Frustration
Many reviewers have expressed disappointment and frustration with their experience with Grant boilers. They have reported feeling let down by the company's poor quality and ineffective customer service. Several have even suggested avoiding the company and purchasing a boiler from another manufacturer.

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