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Hidden Doors

You know there is a door. You just cannot see it.

Hidden steel and glass door connecting living spaces
Hidden doors · Inspiration
A seamless finish. Your specification.Hidden doors
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A classic opening
Made for your room

Explore hidden steel doors across different interiors, finishes and glazing choices.
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01

How it’s built

The door frame is set flush with the surrounding wall finish. The door leaf is faced to match the wall: plastered, tiled, panelled or painted. No visible frame, no visible hinges. A push-catch or concealed handle is the only indication of the door.
02

Where it works best

Utility rooms, plant rooms, dressing rooms and any space where a door would disrupt the architectural finish of a room. Also effective behind a run of full-height cabinetry.
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How to order it right

Confirm the wall finish that the door needs to match. The door leaf is supplied for on-site finishing by your contractor. Specify push-catch or recessed handle. Fire-rated versions available. Lead time 10 to 12 weeks.
From a recent project
“The hidden door to the utility room is one of the best decisions we made. The kitchen wall reads as one clean surface.”
Homeowner, Cheshire
The details, answered

Your questions
Clear answers

What wall finishes can the door be made to match?
The door leaf can be supplied plaster-ready, tile-ready, veneer-ready or paint-grade, depending on the wall finish it needs to disappear into. The contractor applies the finish on site after installation, using the same materials as the surrounding wall. We design the leaf to accept the finish, with the substrate, tolerances and fixing points all accounted for.
Are the hinges visible at all?
No. We use concealed European hinges on all hidden doors. When the door is closed there are no visible hinge knuckles, no gap at the hinge edge and no shadow line that would give the door away. The door face sits continuous with the surrounding wall.
What handles or opening mechanisms are available?
Push-catch, which means the door opens with a gentle push and has no handle at all. Recessed flush pull, which is a very slim inset grip that is barely visible when you know where to look. Finger-pull, which is a minimal routed channel at the edge. We do not use protruding handles on concealed doors.
Can a hidden door be fire-rated?
Yes. FD30 concealed fire doors are available. The fire rating is achieved through the frame construction and intumescent seals rather than visible surface hardware, so the concealed appearance is maintained. Third-party certified. Confirm the requirement at the time of order.
Is a hidden door suitable for a bathroom or wet room?
Yes. The frame is sealed for humid environments, and the leaf substrate is moisture-resistant where required. Specify the end use at the time of order so we can select the right materials and sealing approach.
Can the door swing in both directions?
No, one direction only. This is confirmed at the drawing stage. The concealed hinge mechanism is set for that swing direction and cannot be reversed after manufacture. We confirm this carefully before production begins.
How do you achieve a continuous wall finish across the door?
The door leaf is manufactured with the same thickness and surface preparation as the surrounding wall build-up. The contractor tiles, plasters or panels both the wall and the door face as one continuous surface. The reveal around the door is designed to be imperceptible at normal viewing distances.
How long does manufacture take?
10 to 12 weeks from drawing sign-off. We co-ordinate the leaf thickness and substrate specification with the contractor before fabrication begins.
Do you install?
Yes, and we recommend our own installation team for concealed doors. The gap tolerances are very tight and the door has to be hung and adjusted precisely for the concealed effect to work. An inaccurately installed hidden door will give itself away immediately.
What warranty do you offer?
Ten years on the frame and the concealed mechanism. Five years on hardware including push-catch and flush pull fittings. Subject to normal maintenance and adjustment.
Start your project

Tell us about the wall finish
and space behind the door

We will come back with a drawing.
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020 8908 0006 info@blacksteeldoors.co.uk
1 Courtenay Road, Wembley London HA9 7ND