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Steel Door

Steel Doors

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Bespoke Steel doors in London​

Steel Door bring timeless character, slim sightlines and exceptional strength to any property. At Merida Glazing Solutions, we design, supply and install high quality Steel Doors systems that combine classic architectural style with modern performance.
Whether you are restoring a period property, upgrading a commercial building or creating a striking contemporary home, steel doors offer a refined finish that is difficult to replicate. Their slim frames allow more natural light into the space, while their clean lines create a distinctive look that feels both elegant and enduring.

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Why choose Merida Doors?

Custom

Steel allows for beautifully slim sightlines without compromising strength. This creates elegant windows and doors that maximise natural light while delivering a refined appearance. Suitable for modern, traditional and heritage style properties, steel offers exceptional design flexibility across a wide range of residential and commercial projects.

Security

Steel is one of the strongest materials available for windows and doors, offering outstanding durability and security. Hot dip galvanised steel frames are built for long term performance, while advanced multi point locking options provide added protection and reassurance for residential, commercial and heritage projects.

Energy efficiency

Modern steel windows and doors combine high quality, effective weatherproofing to deliver strong thermal building standards, they help improve comfort, reduce efficiency without sacrificing style, strength or durability.

Quality

Our systems are ISO 9001, ISO 14001 and ISO 45001 certified for quality and all products are IFT tested

Durability

Hot dip galvanised steel windows and doors offer excellent protection against wear and corrosion. Finished in high quality powder coated colours, they are designed to retain their appearance for years. With minimal maintenance and a durable coating system, they provide a long lasting, practical and attractive solution.

Sustainability

Steel is one of the world's most recycled materials, making it a responsible choice for windows, doors and screens. Manufactured using a high percentage of recycled steel, these systems offer strength, longevity and sustainability, helping reduce environmental impact while delivering excellent performance and timeless appearance.

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Classic design. Modern performance.

Today’s steel windows are engineered to deliver far more than beautiful aesthetics. Our steel window systems can offer improved thermal performance, secure locking options, durable finishes and high quality glazing to suit the needs of modern living.

They are ideal for homeowners, architects, developers and contractors looking for a premium glazing solution with lasting visual impact.

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Suitable for a wide range of projects

Steel doors are a popular choice for:

Period property restorations

Heritage style homes

Industrial inspired interiors

Commercial buildings

Extensions and refurbishments

Internal screens and partitions

External doors and window combinations

From traditional glazing bars to sleek contemporary profiles, each installation can be tailored to suit the character of the building and the finish you want to achieve.

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Ottostumm Mogs

M65 TB

The M65 TB series allows the manufacturing of large openings with a streamlined visual impact and maximum stability. M65 TB profiles have a section in view of only 18 mm and are made from solid 2 mm thick sheet metal, with thermal break. The depth of the profile, from 65 to 72 mm, is designed to achieve high moments of inertia and to accommodate the latest generation of insulating glass. The PA 6.6 polyamide insulating core guarantees excellent performance in terms of energy saving.

Mogs 2mm Basic 50

Mogs Basic is a complete system of 2 mm thick steel, with a depth of 50 mm, available in galvanized steel and bright steel. With a range of snap-on and screw-on glazing beads and multiple gaskets and accessories, Mogs Basic makes it possible to create all types of opening, to satisfy every aesthetic and functional requirement.

FerroFinestra Stucco

Stucco is a nostalgic line from our FerroFinestra series, taking us back to the turn of the 19th and early 20th century, with a range of hot-rolled steel profiles with a characteristic arrow design. The stucco (putty), which is used to fix the glass in the frame, is now often replaced by a glazing bead, retaining that evocative aesthetic that makes it ideal for striking interior partitions. FerroFinestra Stucco can accommodate tempered or laminated glass. The production of these profiles follows the original hot-rolling technique, which gives the profiles a very special and unique material texture and amplifies the natural and living character of steel.

FerroFinestra W20

FerroFinestra W20 takes its origin from the British “Universal Range”. It is a complete line of hot-rolled steel profiles that gives a modern twist to the historic design of the 20th Century. Used both for external openings and internal partitions, it maintains stylistic continuity between the choices of the building envelope and those of the interior design. The wide range of possible finishes, from the industrial effect of “natural” steel to coating, guarantees great design creativity.

 

FerroFinestra W40

FerroFinestra W40 authentically keeps the style that left an everlasting mark on architecture from the early 20th Century onwards, with its clean, elegant design. Together with the Stucco and W20 profiles, FerroFinestra W40 is the only one on the market to use the original hot-rolling production technique, introduced at the end of the 19th Century.

Ottostumm | Mogs FerroFinestra W40 comes in a complete range of thick steel profiles, guaranteeing utmost strength. The system makes it possible to create large windows with minimalistic frames, in all types of opening: side-hung, bottom-hung and top hung, tilt and turn, pivoting, sliding and folding.

 

FerroFinestra W50 TB

FerroFinestra W50 TB system maintains exactly the same design as the original hot-rolled FerroFinestra, in a thermal break solution. The high-density polyurethane used for the thermal break, together with the possibility of installing high-performance insulating glass, makes it possible to fully respond to international regulations on energy efficiency in buildings. A wide range of specific accessories, multiple finishes, in many types of opening.

FerroFinestra W75 TB

The FerroFinestra W75 TB system keeps the streamlined and clean design of the FerroFinestra family while offering superior thermal insulation. It features flush and overlapping aesthetics, an efficient polyamide insulating core, and a profile design that accommodates the latest selective insulating glass. The W75 TB system responds to the most demanding projects, for all types of windows and doors where the highest aesthetic and performance requirements are expected. Available in bright steel, galvanized steel, stainless steel, Cor-Ten steel.

FerroFinestra D75 TB

The new series for doors D75 TB completes and enriches the FerroFinestra W75 TB system, preserving its qualities of formal purity and minimalist design. Available in bright steel, galvanized steel, stainless steel and Cor-Ten steel, the D75 TB system allows the manufacture of any type of door, including security and panic doors, with a reduced visible section. Exceptional thermal-acoustic insulation values and physical-mechanical performance, for projects with very demanding specifications.

Forster Systems

Unico XS​

Unico XS steel doors open inwards or outwards, significantly increasing their functionality. They are equipped with stainless steel thermal breaks, which stabilise the already rigid structure. They can be filled with panels from the extensive aluline collection or use warm glazing with insulating glass units up to 42 mm wide.

The Unico XS system offers solutions that are useful and aesthetically pleasing at the same time. It has welded hinges with up/down adjustment. All welds are filed and polished. The galvanised steel profiles are powder-coated. The door is suitable for contemporary and traditional architecture.

The EDPM two-component synthetic rubber double gaskets make the doors stand out among competing offers. They are a durable solution, guaranteeing long-term use while maintaining good thermal parameters.

Unico XS doors offer single and multi-point locks. They are available with a threshold and in the HI option.

Standard unico

The insulated solution for windows and fixed glazing in outdoor areas meets the highest requirements for technical and physical properties relevant to building. For comfort and wellbeing. Single- and double-leaf windows with forster unico bring together a sophisticated design with excellent heat and sound insulation. They constitute an impressive solution thanks to the modern technology used, the high level of energy efficiency and the environmentally friendly use of materials, thus ensuring responsible and sustainable construction. The design featuring forster unico Hi provides you with even better insulation than the standard system.

Unico xs Our elegant

Our most filigree, highly insulated solution made from 100 percent steel – slender face widths and a wide variety of applications. For demanding design requirements with high aesthetics for exterior applications. Uniquely narrow face widths combined with concealed flush fittings ensure that forster unico xs stands out as a truly elegant window solution. This system designed for stringent architectural demands impresses with its outstanding heat and sound insulation values – the perfect choice for both historic and modern buildings or loft and studio fit-out projects.

Features

Stainless steel stabilising thermal break

we lacquer in the full RAL K7 colour palette and, on request, in other colours (use powder code)

construction depth 70 mm

folding height 90 mm

glazing up to 42 mm

galvanised steel profiles with powder coating

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Jansen Steel systems for doors

With a product range that includes thermally insulated and non-insulated door and window systems as well as facade and fire protection systems, Jansen profile systems offer sophisticated standard solutions and equally cover complex special requirements.

Why choose steel Doors?

Steel is one of the strongest materials used in doors design. This strength allows for slimmer frames, larger panes of glass and a more elegant appearance. The result is a window system that maximises light while maintaining excellent durability and security.

Steel doors also provide a distinctive architectural detail that can enhance both the inside and outside of a property. They work beautifully in heritage settings, but they are equally effective in modern homes where clean, minimal lines are required.

Designed around your project.

Every project is different, which is why we take the time to understand your requirements before recommending the right steel doors solution. We can help with design options, glazing choices, frame styles, finishes and installation planning.

Our team works with care and attention to detail from the first enquiry through to final installation, ensuring your new steel doors are fitted to a high standard and complement the property perfectly.

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What people are saying

"Tom provided an outstanding service from start to finish. His knowledge, attention to detail, and clear advice gave me real confidence throughout the project. The customer care was excellent — responsive, professional, and genuinely helpful at every stage".
A great experience overall and I wouldn’t hesitate to recommend him.
Nick - Kensington
Nick - Kensington
"Excellent service from beginning to end. Tom was professional, knowledgeable, and completely on top of every detail. His advice was clear and practical, and the whole process felt smooth and well managed. The quality of the product and installation was first class, and communication throughout was spot on. It’s refreshing to deal with a company that genuinely delivers on what they promise". Highly recommended.
Damien, Chelsea
Damien, Chelsea
As a repeat client, I can honestly say the standard remains consistently excellent. On this latest development project, Tom’s product recommendations were spot on, commercially smart, technically sound, and perfectly suited to the scheme. The installation team were professional, efficient, and delivered to a very high standard. It makes a real difference working with a company that understands development projects and consistently performs. Delighted once again and look forward to working together on the next one.
James, London
James, London
We’re so pleased with our new Sliding doors and windows. We brought Tom in early to discuss our design intent and so pleased we did. His knowledge was impressive and proposed exactly what we were after. Kinder and Max was very polite, professional and kept everything tidy while he was working. We even had Tom visit during the installations, it all went perfectly!
A friend recommended MERIDA and based on their experience we changed from the builders choice to MERIDA and are delighted with every aspect of the order. Tom helped us hugely with advise and the installations were very well organized and went in without any issues. Will happily keep the recommendations going.
We used Merida for a set of internal steel doors between our kitchen and front room. We wanted to keep the light coming through but still have the option to close the space off, and they have worked really well. The doors look lovely without feeling too modern for the house. The team were helpful from the first visit and the fitting was very tidy. Thank you Tom.
Sarah M., Wimbledon
Sarah M., Wimbledon
Our internal steel screen and door were supplied and installed by Merida for the hallway. We had looked at a few options, but their advice felt honest and practical, especially around the handle detail and the layout of the glazing bars. The finished doors feel solid and have made the entrance hall much brighter. We are really pleased with the service and the end result.
Jonathan R., Barnes
Jonathan R., Barnes
We had steel doors fitted between the kitchen and the sitting room as part of our renovation. The team at Merida were easy to deal with, turned up when they said they would and kept us updated throughout. The doors have made a big difference to the way the downstairs feels. It still feels open, but the rooms are much more usable now. Thanks again to Tom and the team.
Emma L., Putney
Emma L., Putney

External Steel Door References

Our external steel doors at the back of the house were fitted by Merida, leading out to the garden. We wanted something with slim frames that suited the style of the property, and they guided us through the options without making it complicated. The doors look excellent and feel very secure. We were particularly pleased with the care taken during installation.
Claire H., Richmond
Claire H., Richmond
We chose Merida for new external steel doors on our kitchen extension. The whole process was straightforward, from the initial measuring to the final fitting. The doors have brought in a lot more light and the garden feels much more connected to the house. The finish is exactly what we hoped for and we would happily recommend them. Thank you Tom.
Mark T., Chiswick
Mark T., Chiswick
As part of a larger refurbishment, Merida installed our external steel doors and side screens. There were a few details that needed careful setting out, but the team handled everything calmly and professionally. The finished doors look smart, close beautifully and have really lifted the back of the house. We are very pleased with the workmanship and service.
Rachel B., Wimbledon Village
Rachel B., Wimbledon Village
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