Bespoke Aluminium Windows & Doors for Heritage & Contemporary Homes
Designed and manufactured in-house, delivered nationwide, and installed across Yorkshire and the North of England.— combining modern performance with timeless design.
✔ Made-to-measure in the UK
✔ Reliable nationwide delivery
✔ Specialists in heritage replacements
✔ 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
From design advice to installation, we manage the process from start to finish.
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
Trusted by homeowners, architects & developers across the UK
Built Around Quality, Precision & Service
We don’t just supply windows — we deliver complete glazing solutions.
✔ Expert Guidance
We help you choose the right system for your property and planning requirements
✔ Precision Manufacturing
Every product is made to measure using premium-grade aluminium
✔ Professional Installation
Our experienced team ensures a flawless finish
✔ Built for Performance
Thermally efficient, secure, and designed to last decades
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Our Most Popular Products
HERITAGE & LISTED BUILDINGS
Specialist Solutions for Period Properties
We understand the challenges of working with listed buildings and conservation areas.
Our steel replacement and heritage systems are designed to:
- Match original aesthetics
- Meet planning requirements
- Improve energy performance
Why choose Marlin?
Reasons why you should expect 100% satisfaction.
Quality you can rely on
Every product is manufactured under strict quality control processes and checked before dispatch.
Attention to detail at every stage
From first enquiry to final installation, we focus on doing things properly — not just quickly.
Project-led approach
We take time to understand your requirements and deliver solutions tailored to your build.
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.
You’ll receive expert technical advice with absolutely no pressure sales.
Over the years, we’ve worked with homeowners, architects and builders across the UK, helping to bring their projects to life.
Here’s what some of our customers have said about their experience of working with us.
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.
Bespoke Aluminium Windows and Doors — Made in Yorkshire Since 2003
Buy Direct – Our goal is to get it right first time, every time and strive to exceed client expectations whenever possible.
We are extremely proud of our workmanship and believe that our quality standards are unrivalled. Buying directly from us, the manufacturer you are assured of the best price and advice… and we deliver nationally!
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.
Our bespoke ordering service is second to none, but we also offer a Buy Online Service of our industry leading door products.
Our online ordering service includes a range of PRE-MADE exterior Heritage doors as well as BESPOKE SIZES of exterior and interior Heritage doors, built to your specification through our DOOR BUILDERS – all available for delivery throughout the UK.
NOW WITH EASY PAY OPTIONS
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Proudly

Want to know more?
Feel free to read what our amazing clients say about us and our products.
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
Heritage Windows and Doors – Leeds
Frequently Asked Questions
If you require any support, please don’t hesitate to review our FAQ’s 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