Business Details
Premium Windows & Doors in Blackburn
At McDermott Windows, we believe quality products deserve quality installation. As a family-run business established over two decades ago, we specialise in supplying and installing energy-efficient windows and doors across the North West. Led by Stephen McDermott and Emma McDermott, our team combines extensive industry expertise with a personal approach, ensuring every project reflects our commitment to honesty, reliability, and craftsmanship. Our FENSA registration and 10-year insurance-backed guarantee underscore our adherence to industry standards and customer satisfaction.We prioritise transparency, offering competitive pricing without hidden fees, and treat every home as if it were our own. With a focus on durable materials like Residence Collection timber-alternatives and modern PVCu designs, we deliver solutions that enhance both aesthetics and functionality. Our five-star reviews reflect our dedication to seamless service, from initial consultation to flawless installation, making us a trusted choice for homeowners seeking lasting value.
Services
Energy-Efficient Windows
Composite Doors
Timber Windows
Aluminium Windows
Sash Windows
Flush Sash Windows
Roofline Systems
Fascias & Soffits
Window Surveys
Door Installation
Highlights and features
- Over 20 years of industry expertise with FENSA-registered installations
- 10-year insurance-backed guarantee on all workmanship
- No subcontractors directly employed, experienced installation teams
- Bespoke solutions from traditional timber to modern energy-efficient designs
- Five-star customer service with transparent, competitive pricing
Associations and certifications
- FENSA
What people say
Excellent customer service
Seamless service start to finish
Superb finish
Highly recommended
Clean, professional work
Services
Energy-Efficient Windows
Our energy-efficient windows reduce heat loss and lower energy bills while enhancing home comfort. Crafted from durable materials like PVCu and timber-alternatives, they combine modern insulation with timeless aesthetics. Each installation is performed by skilled professionals committed to precision and lasting performance.
Composite Doors
Composite doors offer superior security, thermal efficiency, and customisable designs to match any property. Installed with multi-point locking systems and PAS 24 certification, they ensure safety and durability. Our team guarantees seamless integration with your home's existing structure for optimal functionality.
Timber Windows
Sustainably sourced timber windows provide natural beauty and traditional charm without compromising on modern performance standards. Treated for weather resistance and longevity, they are expertly fitted to preserve structural integrity while enhancing your home's character.
Roofline Systems
Our roofline systems protect against weather damage with low-maintenance PVC-U fascias, soffits, and guttering. Designed to prevent rot and pests, installations include eaves protection and stainless steel fixings for long-term durability and improved property aesthetics.
Window Surveys
Free, no-obligation window surveys assess your property's requirements and provide tailored recommendations. We offer visualisations, material comparisons, and accurate quotations, ensuring informed decisions without pressure sales tactics or rushed commitments.
People
Stephen McDermott
Director
With over 20 years in the industry, Stephen leads installations and customer consultations, ensuring every project meets exacting standards. His hands-on approach and product knowledge guarantee tailored solutions for homeowners.
Emma McDermott
Director
Emma oversees operations and client relations, combining expertise with a commitment to exceptional service. Her attention to detail ensures smooth project coordination from initial enquiry to final installation.
Jordan
Installer
A skilled installer with five years' experience, Jordan delivers meticulous craftsmanship and professionalism. Known for his tidy work ethic and dedication to customer satisfaction, he plays a key role in our installation team.
Questions
What areas do McDermott Windows serve?
We operate across the North West, including Blackburn, Accrington, and surrounding areas, providing local expertise with nationwide standards.
Are your installations FENSA-registered?
Yes, all our double-glazed window and door installations comply with building regulations under FENSA registration for your peace of mind.
Do you offer guarantees on your work?
Every installation includes a 10-year insurance-backed guarantee covering both materials and workmanship for complete confidence.
Can I see products before ordering?
Our Blackburn showroom offers hands-on displays, colour swatches, and visualisations to help you choose the perfect windows or doors.
Do you use subcontractors for installations?
No – our directly employed team, many with over five years' experience, completes every project to maintain our quality standards.
What window styles are available?
We supply and install PVCu, sash, flush sash, aluminium, and timber windows, including energy-efficient Residence Collection and bespoke designs.
