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Business Details
24 Years
experience
Trusted Double Glazing Solutions in Luton
P & M Windows has been a trusted name in double glazing solutions since our founding in 2002. Established by Paul McDonagh, a qualified carpenter with decades of hands-on experience, we operate as a family-run business committed to delivering exceptional craftsmanship and customer service. Our team works closely with industry-leading manufacturers like Liniar and Origin to supply and install high-performance windows, doors, and conservatories tailored to residential and commercial needs. All our products are engineered for energy efficiency, security, and durability, with options including uPVC, aluminium, and bespoke designs to suit modern and traditional properties. As a FENSA-registered company, we adhere to rigorous standards, ensuring compliance with building regulations and peace of mind for our clients.

Our installers bring over a decade of expertise, guaranteeing precision in every project, from initial consultation to completion. We pride ourselves on transparency, offering free quotes with no upfront deposits, and prioritising customer satisfaction through tailored solutions and aftercare. Serving Luton, Bedfordshire, and surrounding areas, we have earned a reputation for reliability, with over 90% of our work coming from recommendations. Our commitment to quality extends to sustainability, with British-made products that support local industries and eco-friendly practices. Whether upgrading a home or undertaking a commercial development, P & M Windows combines technical excellence with a personal touch to meet diverse client needs.
Services
Double Glazed Windows Double Glazed Doors Aluminium Windows UPVC Windows Composite Doors Conservatories Roof Lanterns Integral Blinds Commercial Glazing Trade Supply
Details
  • Year established: 2002
Highlights and features
  • We are FENSA-registered, ensuring compliance with building regulations and industry standards.
  • Our installers have over 10 years of professional fitting experience.
  • We offer free online quotes with no upfront deposits required.
  • We partner with leading manufacturers like Liniar and Origin for premium products.
  • We are a family-run business with over 90% of work from recommendations.
Associations and certifications
  • FENSA
What people say
Excellent customer service Energy-efficient products Professional installations Family-run reliability Competitive pricing
Services
Double Glazed Windows
Our double glazed windows enhance energy efficiency and reduce external noise. Featuring durable frames and advanced glass technology, they provide excellent insulation while improving security and aesthetics. Ideal for modernising homes in Luton and Bedfordshire, these windows help lower energy bills and maintain comfortable indoor temperatures year-round.
Aluminium Windows
Aluminium windows offer slim profiles and contemporary design, combining durability with thermal efficiency. Perfect for both traditional and modern properties, they resist corrosion and require minimal maintenance. Our range includes Origin-branded products, ensuring sleek aesthetics and long-lasting performance tailored to client preferences.
Conservatories
Our conservatories create bright, year-round living spaces by maximising natural light. Constructed with high-performance materials, they provide thermal efficiency and seamless integration with existing properties. Ideal for expanding homes in Bedfordshire, these extensions combine style, functionality, and durability to enhance property value.
Integral Blinds
Integral blinds are fitted between glass panes for low-maintenance privacy and light control. Available in manual or automated systems, they block UV rays and regulate room temperature. These blinds require no cleaning, offering a sleek solution for windows and doors in residential and commercial settings.
Commercial Glazing
We provide bespoke commercial glazing solutions for offices, schools, and heritage buildings. Using high-performance materials, our installations ensure thermal efficiency, security, and aesthetic appeal. Tailored to project-specific needs, our services support architects, developers, and contractors in delivering durable, compliant structures across Bedfordshire and Hertfordshire.
People
Paul McDonagh
Owner
Paul founded P & M Windows in 2002 after completing carpentry apprenticeships and gaining advanced qualifications. With over two decades of experience, he oversees operations, leveraging industry contacts and technical expertise to ensure quality installations and customer satisfaction.
Questions
What areas do you serve?
We serve Luton, Dunstable, Bedford, Harpenden, St Albans, Hitchin, Flitwick, and surrounding areas in Bedfordshire and Hertfordshire.
Are your installations FENSA registered?
Yes, we are FENSA-registered, ensuring all our double glazing installations meet building regulations and industry standards.
Do you offer free quotes?
Yes, we provide free online quotes for windows, doors, and conservatories with no upfront deposits required.
What materials do you work with?
We specialise in uPVC, aluminium, and composite materials, partnering with brands like Liniar and Origin for premium, energy-efficient products.
Can you supply trade customers?
Yes, we supply trade professionals with high-quality windows, doors, and glazing solutions at competitive prices, supporting both residential and commercial projects.
What warranties are available?
Our products come with manufacturer warranties, covering materials and workmanship, ensuring long-term reliability and customer peace of mind.
Reviews (4)
Rosita McGrath
Mar 19, 2026 Report
Steve & Paul installed windows & patio door today & they've done an excellent job. They were punctual, friendly, down to earth & very helpful with any questions I had. I wouldnt hesitate in recommending P&M Windows to anyone looking for professional workmanship
Natalia Glica
Aug 25, 2025 Report
I had a fantastic experience with this window company. From start to finish, they were extremely professional, knowledgeable, and reliable. The team arrived on time, worked efficiently, and showed great attention to detail. The quality of the windows and the installation exceeded my expectations, and everything was left clean and tidy when the job was done. Communication was clear throughout the process, and they were always happy to answer my questions.

Its refreshing to deal with a company that takes such pride in their work and truly cares about customer satisfaction. I would highly recommend them to anyone looking for high-quality windows and excellent service.
Pete Smith
Nov 08, 2022 Report
Nine Windows & 2 French doors installed by polite very efficient team. From their very first visit for our quotation through to completion they are so professional in every way. We are so pleased with our new Windows & doors. On completion they left our house spotless. I will be contacting them very soon regarding a new front door. Highly recommend P & M Windows if you are considering replacement Windows or doors.
Kim Beardwell
May 08, 2019 Report
As ever we remain highly satisfied with the new patio door from Paul and his team. Excellent service from start to finish. Personal and speedy response - really could not be any better. We have been loyal customers over the years and will continue to be, recommending his services whenever we can. Thanks again Paul.