Bespoke Aluminium Windows & Doors for Heritage & Contemporary Homes
Designed and manufactured in Yorkshire, our bespoke aluminium windows and doors combine exceptional performance with beautifully considered design. Available for nationwide delivery, with our installation service covering Yorkshire and the North of England.
Made-to-measure in the UK
Buy direct from the manufacturer
Reliable nationwide delivery
Regional survey and installation services
Specialists in heritage replacements
Visit our Yorkshire showroom
Bringing over 20 years of expertise to every project
Why choose Marlin Windows?
WE CARE…
About the quality of our work. About you, your project, and your property. And about delivering a result you’re truly happy with.
Established in 2003, we are a trusted, family-run Yorkshire business built on trust, quality, and personal service. Over the years, we’ve earned a ★★★★★ rating on Google Reviews, reflecting our commitment to putting customers first.
Bespoke Manufacturing
Every product is made to your exact specifications — no off-the-shelf compromises.
Heritage Expertise
We specialise in replacing steel windows and doors while preserving original character.
End-to-End Service
We stand behind everything we do. That’s why we offer industry-leading warranties—so you can feel confident in choosing us.
- 10-Year Guarantee on the fabrication of the aluminium system
- 25-Year Guarantee on the powder-coated finish
- 5-Year Guarantee on insulated glass units (IGUs)
Bespoke Aluminium Windows and Doors Made in Yorkshire Since 2003
Discover Our Range
Our Most Popular Products
Made-to-measure aluminium windows and doors, combining beautiful design, precision engineering and lasting performance.
Planning a project? Let us help you find the right solution.
Request a Quote →Visit Us
Welcome to the Marlin Windows Showroom!
A warm welcome awaits you at our West Yorkshire showroom.
Open by appointment during office hours, you can visit us in person or book a virtual showroom appointment. As a family-run business, we bring a personal touch to every project.
Explore the UK’s largest selection of aluminium heritage steel-look windows and doors, alongside contemporary aluminium windows, sliding patio doors, bi-fold doors, internal heritage doors and screens, roof glazing, roof lantern systems, and a wide range of glazing options, colours, and hardware finishes.
Enjoy expert technical advice in a relaxed, welcoming environment, with no sales pressure.
Heritage & Listed Buildings
Specialists in Heritage Windows & Doors
We specialise in aluminium glazing solutions for listed buildings, conservation areas and period properties.
Our heritage and steel-look systems combine authentic traditional detailing, slim sightlines and modern thermal performance, helping preserve architectural character without compromising comfort.
Project Testimonials
Trusted by Homeowners & Professionals
From architects and builders to homeowners, discover how we’ve helped bring exceptional glazing projects to life across the UK.
Our Process
We make upgrading your home simple, seamless, and stress-free — from your first enquiry to long after installation.
- See the Quality for Yourself
- Free Consultation
- Design & Quote
- Survey
- Manufacture
- Installation
- Aftercare
Our service doesn’t stop at installation. We’re here for ongoing support, with dedicated aftercare to ensure your windows and doors continue to perform beautifully for years to come.
From concept to completion — we handle everything.
Our Window and Door Installation Service
Our specialist installation teams have years of experience in expertly surveying and fitting our complete range of aluminium doors and windows throughout:
- West Yorkshire
- South Yorkshire
- Greater Manchester
- Merseyside
- Lancashire
- Derbyshire
- Nottinghamshire
- East Riding of Yorkshire
- Cheshire
If you’re outside this area, please get in touch — we may still be able to help.
Buy Direct from the Manufacturer
Every Marlin window and door is made to measure at our Yorkshire manufacturing facility.
Buying directly from us means expert product advice, competitive pricing and reliable nationwide delivery, with professional survey and installation services available across our regional coverage area.
Marlin Windows on TV
From Grand Designs – South Lakeland to George Clarke’s Old House New Home – North London!
Discover Marlin Windows, your trusted provider of high-quality aluminium windows and doors, as featured on TV.
Alongside our bespoke manufacturing service, we offer a convenient online ordering experience for our heritage door range. Choose from ready-made exterior heritage doors or configure bespoke interior and exterior doors to your exact requirements, with nationwide delivery available.
NOW WITH EASY PAY OPTIONS
Proudly
Customer Experiences
What Our Customers Say
Trusted by homeowners and building professionals for quality products, expert advice and personal service.
★★★★★
“Their product and service is fantastic, nothing was too much trouble. They looked after our clients, offered expert advice to our installers and were extremely patient throughout several specification changes. We would certainly recommend Marlin Windows and would definitely use them again.”
Dan Mutti
C. Ratcliffe Builders Ltd · Markham Moor
★★★★★
“We ordered steel replacement French patio doors and windows. They are absolutely beautiful, and they were an absolute pleasure to deal with. Thanks Marlin!”
Myer Craig Brown
London E18
★★★★★
“We were recommended to Marlin for our internal doors by our interior designer. From the first point of contact through to technical support, the service has been outstanding. We are absolutely delighted with the quality of the doors and have no hesitation in recommending Marlin Windows!”
Karen Taylor
Leeds
Latest projects
HERITAGE WINDOWS
North Rigton, New Build – Aluminium Glazing
HERITAGE WINDOWS AND DOORS
Batt House, Northumberland Alitherm Heritage Windows and Doors
HERITAGE WINDOWS
Aluminium Heritage glazing system – Thieves Hollow, Cheshire
HERITAGE WINDOWS AND DOORS
Alitherm Heritage Windows and Doors – Leeds
Frequently Asked Questions
If you require any support, please don’t hesitate to review our FAQs below or drop us a message on our contact form here
How energy efficient are your windows & doors?
All of our products are very thermally efficient; they meet and exceed all current building regulations.
Our aluminium profiles are thermally broken and benefit from high performance double glazing with a centre pane U Value of 1.2 W/m2 as standard. The maximum overall U value of any of our products is 1.6 W/m2, with many of our door and window products offering even lower U Values.
What information must be provided in order to get an accurate quotation?
We will ask you to provide the following information:
- Approximate dimensions (width x height)
- Basic design/layout
- Colour
- Project location
How long will my quotation take?
We aim to return all quotations within 24 hours however large projects may take longer.
What guarantees do you offer?
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5-year warranty on double-glazed units
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10-year warranty on windows and doors
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25-year warranty on powder-coated aluminium (subject to environment)
Are your products compliant with regulations?
Yes – all windows and doors comply with UK Building Regulations
Includes standards for:
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Energy efficiency
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Safety
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Ventilation
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Security
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Bring Your Vision to Life
Work with a team trusted by homeowners, architects and developers across the UK. We’ll help you design the perfect glazing solution — built to perform and made to last. Speak to an Expert
