The Home of Heritage Glazing
Transform your home with our slimmest window range, perfect for contemporary and heritage projects. Designed to combine the latest technical innovations with peerless aesthetics.
Classic can be used to create traditional historically styled windows and doors. With specifically designed decorative bars for a distinctive period aesthetic.
Key Features
1.5 U W/(m²K) Double glazed A WER –1.1 U W/(m²K) Triple glazed* A+ WER (*Only available in certain styles)
Ultra slim sightlines from 36.5mm
Part L compliant
Replicates the appearance of steel
A fraction of the cost of steel
Pas24 Secured by Design accredited
Paint finish guarantee – 25 years
10 year Manufacturers Warranty
Traditional or contemporary styling
Ultra Slim Heritage Aesthetics
The ultra slim 59mm sightlines* of the innovative Classic window system maximises the light flooding into your home, creating a refined architectural look. We’ve also designed out the misalignment of corners seen on lesser aluminium systems, using our patented construction method. Allowing each Classic window to be individually hand tuned to perfection.
The perfect balance of understated refinement and exacting quality.
Create Light, Airy Interiors
Our ultra slim aluminium windows are available in casement, French and fixed styles, with sightlines as slim as 36.5mm for picture windows, and 59mm for opening windows*. Classic lets light flood in, opening up interiors helping to create that important sense of space and tranquillity.
*Beadless sashes, 60.5mm for beaded sashes
Classic can also be used to create traditional historically styled windows and doors. With specifically designed decorative bars for a distinctive period aesthetic.
Bars can be positioned horizontally or vertically to achieve a variety of looks, either creating an authentic looking Georgian grid or divided horizontally to give a stylish 1920’s ‘Art Deco’ aesthetic.
Marlin are the No:1 Supplier of Heritage Glazing in the UK
View all of our Heritage Glazing Products HERE
Featuring Our Unique Thermlock® Technology
Clean, crisp lines on the outside hide away our innovative Thermlock® multi-chamber thermal design, helping keep you and your property well insulated against the worst of the UK weather. These insulating chambers act as a thermal break and work in conjunction with high performance glazing to create class leading thermal performance, far superior to traditional polyamide thermal breaks.
Pas24 Secured by Design accredited
All Classic windows carry PAS24:2016 enhanced security accreditation, so if you are looking for stylish aluminium windows with extra peace of mind as standard – then we have you covered.
For added peace of mind choose our laminate glass upgrade – for Secured by Design accreditation – the official UK Police initiative ‘designing out crime’ through physical security.
With a choice of traditional or contemporary styling
Our Classic system is an ideal replacement for traditional steel windows and doors, as well as ultra-modern, minimalist renovations and extensions.
Available in the following options:
- Contemporary
- Contemporary Flush
- Stepped
- Stepped Flush
Excellent customer service from enquiry to delivery. Thank you to Hannah, Adrian and the team for going the “extra mile”
Caroline Dyson
Colour Options
12 standard colours in our hard wearing powder coated finish.
Complementary door range
Marlin Offer the Largest Selection of Heritage Glazing in the UK
With the same slim sightlines and a distinctive heritage look, Classic Heritage Doors are the perfect partner for our Classic slim aluminium windows.
Built as a truly integrated range, 100% matched.
Helpful guides
IS ALUMINIUM A SUITABLE ALTERNATIVE FOR THE REPLACEMENT OF STEEL PRODUCTS?
Steel look Aluminium Windows, Doors and Internal Room Dividers and Doors look very similar to their Steel counterparts but offer several benefits of being Aluminium.
The benefits of modern, secure, thermally efficient aluminium windows with the heritage and character of traditional steel at a fraction of the cost.
Latest projects
HERITAGE DOORS
Heritage Glazing – Grade II Listed Kingsley House Stamford
HERITAGE DOORS
Heritage Glazing – Idyllic North Yorkshire Village House
HERITAGE WINDOWS
Millhouses – Sheffield
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
- Project location
How long will my quotation take?
We aim to return all quotations within 24 hours however large projects may take longer.
Come and explore…
Aluminium Bi-fold Doors, Sliding Doors, Contemporary Glazing, Aluminium Heritage Windows and Traditional Steel Replacement Doors
