01535 603909

The leading supplier of Heritage Aluminium Glazing in the UK

Marlin Windows supply the highest quality aluminium windows and doors in Leeds, Yorkshire.

We are always delighted to help Leeds & Yorkshire homeowners transform their home;


Here are just three examples of our work from in and around Leeds:

including our fabulous steel look heritage doors, described as "beautiful doors" by George Clarke when they were featured on Channel 4's George Clarke's Old House New Home.

Plus Aluminium Heritage Windows and Traditional Alitherm Heritage steel replacement windows.

Contemporary projects feature windows and doors from our contemporary range such as Eco Futural windows and Eco Futural residential doors and Bi-fold Doors.

Floor to ceiling feature windows at this grand designs project in Ilkley Yorkshire


With our company founders’ roots firmly grounded in precision aerospace engineering we apply exactly the same principles of meticulous care and attention to detail when manufacturing your aluminium windows and doors.

No compromise, right first time!

And we are rated ★★★★★ on Google

Need to know more about Marlin Windows?
Click here


"Fantastic company, great product and extremely helpful throughout."

Helen Westwell

Read this and other reviews on Google



Our bespoke aluminium external and internal Heritage Windows and Doors Collection includes steel look period style Alitherm Heritage Windows and matching Alitherm Heritage Doors

*NEW* Heritage Bi-Fold Doors provide a contemporary twist on the period style.

The *NEW* Heritage Internal Collection includes ALUSPACE: Internal Steel Look Doors and Partition Wall Room Dividers designed specifically for internal fitting.

Aluminium Heritage Windows installed at Grade 2 listed property in Skipton North Yorkshire
Aluminium Steel Look Heritage French Doors installed in York
period crittal style steel look heritage bifolding doors
Aluminium Steel Look Heritage French Doors installed in York


"We used Marlin for windows and traditional Steel Replacement doors and screens on our recent self build project... Simply stunning."

Gareth Robinson

Read this and other reviews on Google


heritage aluminium doors installed in London as shown by George Clark on TV


Alitherm Heritage Doors have been designed to offer a cost-effective solution for period properties, renovation projects and contemporary buildings that require a modern high performance alternative to steel framework.

Replicate the appearance of traditional steel doors from a bygone era with slim thermally efficient aluminium profiles, classic glazing bars and panels to create a vintage look.

Yorkshires leading supplier of aluminium windows and doors.

Yorkshire based Marlin Windows specialise in providing aluminium windows and aluminium doors for domestic customers and small scale commercial projects.

We are a family run business established in 2003 who manufacture and install Aluminium Bi-fold Doors, Aluminium Heritage Windows and Traditional Steel Replacement Windows.


heritage aluminium windows installed at prestigious manor house in North Yorkshire


High performance aluminium windows with innovative designs and bespoke glazing options for period or contemporary applications.



crittal style heritage aluminium windows and doors in extended kitchen


A versatile range of residential, bi-fold, external and internal heritage steel replacement aluminium doors


To guarantee the highest quality paint finish all of our aluminium products are polyester powder coated to Qualicoat standards by our glazing systems suppliers.

Fully compliant to the latest June 2022 building regulations our standard double glazing in all our windows and doors is the exceptional light transmitting, energy saving ClimaGuard® A+ low emissivity (Low-E) glass manufactured by Guardian Glass.

As approved members of CERTASS and Trustmark we have been strictly vetted to ensure that we are qualified to conduct surveys, design glazing schemes and to carry out the replacement of windows and doors in accordance with current building regulations.

With a 25 year guarantee available on powder coated paint finishes and 5 years on our insulated glass units we believe that our warranty package is the best in the industry.

Our 10 year manufacturing and installation warranty is insurance underwritten - for complete peace of mind.


Aluminium windows and doors brochure



Premium aluminium windows and doors manufactured in our own specialist facility in the heart of Yorkshire.


Marlin Aluminium Window & Doors Staff

Established in 2003, Marlin Windows is a family run business specialising in the manufacture of high quality aluminium windows and aluminium doors


Aluminium Windows

For inspiration, help and advice visit our perfectly formed showroom.

Marlin aluminium windows & doors feature on Channel 4's Grand Designs


Marlin's aluminium windows and doors regularly feature on TV.

And receive praise from experts such as George Clarke.

Find out more about our TV featured projects

Our windows and doors feature in local Leeds, Ilkley, Skipton, Halifax, Bradford, Wakefield, Shipley & Keighley properties.

Also further afield in Yorkshire from Harrogate to Huddersfield, Sheffield and York.

Outside of Yorkshire we have supplied and installed glazing solutions from Nottingham to the Lake District.

We also supply to London and the South, as well as most areas of England, Scotland and Wales.