Get the look you love, with a payment plan that works for you.
Interest Free Aluminium Doors
We offer interest-free finance on selected products:
- Heritage Aluminium Doors
- Heritage Bi-Fold Doors
- Internal Heritage Doors & Screens
Key details:
- 0% interest for up to 12 months
- Deposit required
- Fixed monthly repayments
- Subject to status and affordability
- Cannot be combined with other offers
Simple, transparent finance—no hidden costs.
Why Choose Heritage Aluminium Doors?
Our heritage aluminium doors are designed to deliver the classic steel aesthetic, without the drawbacks of traditional materials.
Slim Steel-Look Design
Elegant, ultra-slim frames replicate traditional steel glazing for an authentic heritage appearance.
Improved Thermal Efficiency
Unlike old steel doors, modern aluminium systems help keep your home warm and energy efficient.
Enhanced Security
High-performance locking systems and robust construction provide peace of mind.
Bespoke to Your Home
Every door is made to measure, with a range of configurations, colours, and glazing bar designs.
Low Maintenance
Durable powder-coated aluminium means no rust, no warping, and minimal upkeep.
Heritage Door Options Available on Finance
Alitherm Heritage Doors Classic Heritage Doors
Perfect for entrances, garden access, and extensions. Achieve a traditional look with modern performance.
Internal Heritage Doors & Screens
Create light-filled spaces with steel-look glazed partitions. Ideal for kitchens, home offices, and open-plan living.
Heritage Bi-Fold Doors
Enjoy wide openings without losing the heritage aesthetic. A practical and stylish solution for connecting indoor and outdoor spaces.
The grasp of the importance of design and quality of manufacture from the Marlin Team is second to none”.

Why Choose Marlin Windows?
- Specialist in heritage aluminium systems
- Tailor-made designs for every project
- Expert advice from initial enquiry to installation
- High-quality materials and precision manufacturing
- Trusted local company with a strong reputation
We focus on delivering doors that not only look exceptional—but perform for years to come.
Finance You Can Trust

Marlin Windows Limited is a credit broker, not a lender.
Authorised and regulated by the Financial Conduct Authority for consumer credit and non-investment insurance activities.
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We partner with Novuna (formerly Mitsubishi HC Capital (UK) PLC) a leading financial services company with over 30 years’ experience of providing finance solutions.
The provider of choice for more than one million customers across the UK. Credit is available to UK residents aged 18 and over and is subject to affordability, application, status and lending criteria.
You must have an email account as interest free loans apply to online credit applications only.
A deposit is required on all orders.
Interest Bearing
Allows you to make equal monthly repayments at a fixed rate.
We also offer credit at Representative 7.9% APR variable, over terms up to 48 months.
Typical Example: Price of goods £10,000
Amount of loan : £5000
Deposit : £5000
48 monthly payments of £121 at an APR of 7.9%
Subject to affordability, application, status and lending criteria. A deposit is required on all orders. Terms and conditions apply.
Start Your Project Today
Transform your home with heritage aluminium doors on 0% finance.
Whether you’re replacing old steel doors or planning a new project, we’re here to help you find the right solution.
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
Which products qualify for 0% finance?
Heritage aluminium doors, internal heritage doors, and heritage bi-fold doors.
How long is the finance available for?
Up to 12 months interest-free, depending on your agreement.
Is a deposit required?
Yes, a deposit is required. Details will be provided during your quote.
Get A Quote Now
Why Choose Marlin Windows? We care… about the quality of finish, about you, your project and your property about your 100% satisfaction