bespoke single, double & arched steel doors
A beautifully designed steel door is more than a functional feature. It brings character, natural light and architectural elegance to your home or commercial space.
At Mammoth Steel, we offer a collection of premium steel-framed glass doors, combining timeless design with precision engineering and exceptional craftsmanship.
As an authorised dealer for Portamet, a specialist European steel door manufacturer, we supply single, double and bespoke arched steel doors tailored to your individual requirements.
From classic industrial-style doors, crittall style doors to elegant French doors and statement architectural arches, our collection offers versatile designs to complement both traditional and contemporary properties.
Based in Cheshire and serving customers throughout the UK, Mammoth Steel works with homeowners, architects, interior designers and developers to bring their ideas to life.
Our steel door design
Every property is different, and every door should complement its surroundings.
Discover our collection of single, double and arched steel doors, with bespoke configurations, glazing and finishes to suit your space.
single steel doors
Elegant, versatile and beautifully proportioned, our single steel-framed glass doors bring natural light and contemporary character to any interior. Ideal for kitchens, hallways, home offices and living spaces, they offer a stylish way to separate rooms without compromising openness or light.
double & french steel doors
Create a striking architectural feature with beautifully engineered double steel doors. Combining slim steel frames with generous glazing, these doors offer a timeless design that connects living spaces while maintaining a sense of definition and elegance.Ideal for larger openings, contemporary renovations and traditional properties alike.
Arched steel doors
Combining classical elegance with modern steel craftsmanship, our bespoke arched doors create a distinctive architectural statement. From graceful single arches to dramatic double-door designs, each door can be tailored to complement your property’s individual character. Perfect for period renovations, luxury interiors and statement entrances.
From concept to completion
Every stunning steel door begins with an idea. At Mammoth Steel, we work with you to turn that idea into a carefully specified, beautifully crafted product.
step 1. the design & planning
Tell us about your project, your preferred style and the dimensions of your opening. Whether you have detailed architectural drawings or are simply exploring design possibilities, we’ll help you consider suitable configurations, glazing, finishes and hardware.
step 2. precision fabrication
Once your design and specifications are agreed, your doors are manufactured by our specialist European partner, Portamet. Combining precision engineering with skilled craftsmanship, each bespoke door is produced to the approved requirements.
step 3. expert installation
Once manufacturing is complete, we’ll coordinate the next steps for delivery and install your project. Our aim is to make the process straightforward, from your initial enquiry through to the finished result.
Frequently asked questions
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Yes. We offer bespoke steel doors manufactured to suit individual project requirements. Dimensions, configurations and design details can be discussed during your initial enquiry.
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Single steel doors provide an elegant solution for standard openings, while double or French-style steel doors are particularly suited to wider openings and spaces where you want to create an architectural feature and bring light into a room.
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Yes. Depending on the chosen door system, options may include clear, frosted or textured glazing, together with a selection of frame colours, finishes and handles.
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Yes. Our collection includes bespoke arched steel doors, available in single and double configurations. These can be designed to complement both traditional and contemporary properties.
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Mammoth Steel is based in Cheshire and welcomes enquiries from homeowners, architects, builders and commercial clients throughout the UK. Delivery and installation arrangements can be discussed for each project.
let’s create something exceptional
Considering steel doors for your home or commercial project?
Whether you’re renovating a period property, creating a contemporary living space or designing a new development, we’d love to hear about your project.
Explore our collection of bespoke single, double and arched steel doors, and let Mammoth Steel help you find the perfect design for your project.
Expertly designed. Precision fabricated. Built to last.