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Business Details
40 Years
experience
Your Trusted Partner for Home Improvement Solutions
Stormseal SW is an award-winning, family-run business established in 1986, serving Plymouth, Devon, and Cornwall. With over 35 years of experience, we specialise in supplying and installing high-quality uPVC windows, doors, conservatories, and roofline products. Our team of experts prioritises customer satisfaction, offering made-to-measure solutions tailored to individual needs. We are proud members of Network VEKA, ensuring our products meet rigorous industry standards, including BSI, BBA, and ISO certifications. Our 10-year comprehensive guarantee reflects our confidence in the durability and performance of every installation.

We operate with transparency, providing free, no-obligation quotations and avoiding pressure sales tactics. All products are manufactured in Great Britain, combining energy efficiency, security, and aesthetic appeal. Our testimonials highlight our commitment to professionalism, from initial design to final installation. We serve both residential and commercial clients, with a focus on enhancing property value and comfort. Our local expertise ensures we understand the unique needs of homeowners in the South West region.
Services
uPVC Windows Composite Doors Conservatories Roofline Products Bi-Folding Doors Fire Escape Windows Sliding Sash Windows Porch Installations Guardian Warm Roof Ultraframe Conservatories
Details
  • Year established: 1986
Highlights and features
  • We offer over 35 years of experience in home improvement solutions.
  • Our installations come with a 10-year comprehensive guarantee.
  • We provide impartial, no-pressure consultations tailored to your needs.
  • All products are manufactured in Great Britain to strict industry standards.
  • We hold certifications from BSI, BBA, and ISO for quality assurance.
Associations and certifications
  • BSI
  • BBA
  • Secure by Design
  • ISO 9001
What people say
Fantastic conservatory Pleased with them Professional and fast Second to none service Highly recommend
Services
uPVC Windows
Our uPVC windows combine energy efficiency, security, and modern design. Manufactured in Great Britain, they feature A-rated energy performance and u-values as low as 0.8W/mK. Ideal for reducing energy bills and noise pollution, these windows are durable and require minimal maintenance. Perfect for homeowners seeking comfort and value.
Conservatories
We design and install bespoke conservatories, including Edwardian, Victorian, and Ultraframe models. Our Guardian Warm Roof option ensures year-round usability. Tailored to your space and style, these structures enhance property value and provide versatile living areas. All projects include expert consultation and a 10-year guarantee.
Composite Doors
Our composite doors offer superior security and thermal efficiency with a steel core and durable finish. Available in various styles, they resist warping and require minimal upkeep. Each installation includes an Assure certification, ensuring peace of mind and long-term performance for homeowners in Devon and Cornwall.
Roofline Products
Modern uPVC roofline solutions replace outdated timber, preventing structural damage and improving aesthetics. Our products are low-maintenance, weather-resistant, and enhance energy efficiency. Ideal for properties in Plymouth struggling with rot or inefficiency, ensuring a pristine finish for decades.
Bi-Folding Doors
Aluminium bi-folding doors create seamless transitions between indoor and outdoor spaces. Designed for durability and style, they feature advanced locking systems and thermal efficiency. Perfect for entertaining or enjoying garden views, these doors are backed by a 10-year guarantee and expert installation.
Questions
What areas do you serve?
We operate across Devon and Cornwall, including Plymouth, Exeter, and Truro, covering TR and PL postcode areas.
Do you offer a guarantee?
Yes, all installations come with a 10-year comprehensive guarantee for added peace of mind.
Are your products energy efficient?
Our windows and doors meet A-rated energy performance standards, helping reduce heating costs and carbon footprints.
Can I get a free quote?
Yes, we provide free, no-obligation quotations with no pressure sales tactics.
What accreditations do you hold?
We are members of Network VEKA and hold BSI, BBA, and ISO 9001 certifications for quality and reliability.
How long does installation take?
Most projects are completed within 4-6 weeks, depending on size and complexity, with minimal disruption to your home.