Good quality, with a sturdy
"Good quality, with a sturdy construction and a perfect display cabinet for my items"
Fire Rated BS 5852Tempered Glass
Black Aluminium Lockable Glass Storage Display Cabinet with 3 Adjustable Shelves & 9 LED Lights 1800mm High x 400mm Wide
Product code: DTK400BK
Awkward gaps beside a doorway, at the end of a shelving run or in the corner of a stand tend to sit empty because a standard cabinet is too wide to ...
Inc. VAT
£729.00
Ex. VAT
£607.50
Size -
400mm
Colour -
Black
Same BS 5852 fire certification and lock and key security across every colour and width.
In Stock - UK Despatch
Buy More, Pay Less
| Quantity | Discount | Save |
|---|---|---|
| 2 + | 3% off | £21.87 |
At a glance
The Displaysense DTK400BK is a lockable display cabinet, 400mm wide by 1800mm high by 400mm deep, with black aluminium. It is delivered free to UK Mainland.
Buying for a business, school or council?Volume discounts, same-day trade quotes, and 30-day credit accounts for schools, NHS and councils.
Request a quoteor call 01279 460 460
Complete the setup
Finish your display like a professional
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Free UK DeliveryFree mainland delivery on every order. No minimum spend, no hidden charges.
Trade and Bulk Pricing AvailableVolume discounts from 2 units. Call us for a tailored quote.
50 Years of Trusted QualityEstablished in 1978. Designed, tested and trusted by some of the UK's biggest names.
Rated Excellent by Our Customers8,000+ verified reviews. Trusted by Harrods, the NHS, Primark and The O2.
Key features
Built without the compromises
Every cabinet in this range is UK designed on the same commercial-grade platform, tested as a complete assembly rather than as parts.
360° Glass
Toughened glass on both sides, the full rear panel and both doors. No opaque surfaces.
Rod Track Shelves
Continuous shelf adjustment. Any height. No fixed holes. Removable for taller displays. 12kg spread load.
LED Spotlights
6400K daylight LEDs built into the frame. Every shelf evenly lit, true colour, one plug.
Fire Tested
BS 5852:2006 Section 12, independently tested on the complete assembly.
Lockable Doors
Keyed doors on every cabinet, two keys supplied. Specified for public spaces.
UK Designed
Own-design range from the UK's display cabinet specialist since 1978.
Why professionals choose this cabinet
- Designed and built by Displaysense since 1978
- Independently fire tested to BS 5852:2006
- Spare shelves and parts available to order
- Expert advice from a UK team, not a call centre
- 5-year Built To Last warranty
Trusted by Harrods, the NHS, Primark and The O2.
The range
One platform. Pick your width.
All widths: 1800mm high, same specification, same fire certification. Tap a width to view it.
Overview
Description
Specifications
Delivery & Returns
FAQs
Knowledge Hub
A Narrow LED Display Cabinet That Slots Into Tight Gaps and Locks Stock Below
Some spots are simply too narrow for a normal display cabinet, and this is the model built for them. It stands tall but takes the least floor width in the black DTK range, so it slots into a recess, the end of a shelving run, the gap beside a door or a corner of a stand that would otherwise sit empty. A lit glass display fills the upper part while a fully closed, separately locked base hides refill stock or kit beneath. Nine daylight spotlights pick out every shelf, and the built cabinet is independently fire certified to BS 5852:2006 Section 12. It is a Displaysense own design, ordered straight from the supplier and not a reseller. Best suited to salons, boutiques and reception areas where floor space is tight but a proper lit display is still wanted.
Why a Slim Glass Cabinet Works Where Wider Units Will Not Fit
- Fits gaps a wider cabinet cannot reach: A tall column on the smallest floor width in the range drops into a recess, an end-of-run position, a corner or the space beside a doorway, turning a spot that usually stays empty into a working, lit display point.
- Nine spotlights tuned to a slim interior: One spotlight overhead and eight down the sides are set to suit the narrow bay, so light reaches every level with no dark patch, and the 6400K daylight tone keeps colours true against the dark frame rather than washing them yellow.
- Closed base that locks on its own key: A solid-sided cupboard beneath the display hides and secures refill stock, testers or packaging on a key of its own, so the storage stays shut and private even while the glass above is open for a customer to look through.
- Three glass shelves behind one door: Toughened glass shelves slide along a rod track to any height and set with no tools, and one door swings the entire slim front open in a single move, so nothing blocks a hand when a level is styled or a piece swapped over.
- Fire certified for public buildings: The built cabinet passes independent testing to BS 5852:2006 Section 12, the recognised fire mark for commercial and public-building furniture, with a certificate that saves on the spot for a procurement or estates file.
- A Displaysense own-design cabinet: A Displaysense design ordered direct from the supplier that stands behind it, with no middleman, so the order, the aftercare and any compliance query all run through one place rather than being passed down a chain.
Where a Tall Slimline Storage Cabinet Fills a Wasted Corner
| Salons and Wellness | A single narrow column shows retail lines to a client while testers, spare stock or treatment kit lock in the base, and the slim footprint slips into a styling area or reception where every metre is already spoken for. |
| Retail and Boutique | Jewellers, gift shops and boutiques drop this into the gap between counters or the end of a fixture run, standing lit stock at eye level with replenishment shut away below rather than carried from a back room each time. |
| Corporate and Office | Awards, gifts or branded pieces sit lit in the tall column while sensitive papers lock in the base, and the narrow frame suits a reception nook or a spot along a corridor where a broad cabinet would get in the way. |
| Exhibitions and Events | A whole lit display stands in a small corner of a stand, samples on show above and literature or valuables locked below, so a shell-scheme edge or an end-of-stand gap becomes useful without eating into presentation space. |
| Schools and Education | Cups, medals and pupil work go on show behind glass with spare display kit locked out of sight below, and the recognised fire certification clears the line most school and college buyers have to meet. |
| Healthcare and Public Sector | Independent BS 5852:2006 Section 12 certification suits NHS sites and council buildings, and the slim body sets a lit information or product point into a corridor end or waiting area without narrowing the route past it. |
Just the Display, No Base Storage?
If the locked base is not needed, the same slim lit frame is offered as a display-only cabinet in this width. The DTS400CBK display cabinet carries four glass shelves and no base compartment, on free UK mainland delivery.
DTK400BK is a Black Aluminium Lockable Glass Storage Display Cabinet from Displaysense, and the narrowest model in the black DTK storage range. It pairs an illuminated glass display above with an independently lockable base storage compartment below, in one slim black aluminium frame that fits gaps a wider cabinet cannot reach. Dimensions 1800mm high by 400mm wide by 400mm deep. Display section: three 5mm tempered glass shelves on a continuous rod track, 12kg per shelf, nine integrated 6400K daylight LED spotlights (one top, eight side) tuned to the narrow interior, and a single hinged door on a key lock with two keys. Base storage is an opaque 500mm compartment, sealed on all sides, locked on a key of its own. Four levelling feet. The whole built unit is independently fire certified to BS 5852:2006 Section 12, tested across the finished cabinet. A Displaysense own-design unit, ordered direct rather than through a reseller. Suited to salons, boutiques, receptions and exhibition stands where floor space is tight. A display-only model in the same width and a silver finish are also offered. Displaysense, UK display cabinet specialist since 1978. Free UK mainland delivery.
Awkward gaps beside a doorway, at the end of a shelving run or in the corner of a stand tend to sit empty because a standard cabinet is too wide to fit them, and this narrow model exists for exactly those places. It gives back a full-height, lit display in the smallest floor width the black DTK range offers, so a spot that was dead space becomes a proper focal point. Nothing about the display is cut down to reach that width either, only the frame is drawn in.
Three toughened glass shelves ride a continuous rod track up the display, each setting to any point on it and locking there without a tool, so there are no fixed notches to design around. Lift all three clear and the whole column opens for one tall piece. Reaching in is easy because a single door spans the slim width and swings fully open in one movement, leaving no post or divide down the middle to work past.
Nine spotlights light the display rather than the ten a wider bay carries, one set overhead and eight running down the sides, a spread worked out for this narrower interior so no shelf falls into shadow. Every one runs at 6400K, the daylight tone that shows a product in its real colour instead of the warm yellow a softer bulb casts, which counts wherever a finish or a shade is part of what sells.
Certification is measured across the whole built cabinet, not one material in it, and the finished unit is independently tested to BS 5852:2006 Section 12, the benchmark for furniture used in commercial and public buildings. That certificate can be saved at once for a compliance file. The cabinet arrives flat for self-assembly with every fixing and instruction in the box and a video to follow, and it is a Displaysense own design, bought straight from the team behind it rather than a reseller.
What Comes in the Box
- 1 x black aluminium cabinet, flat-packed
- 3 x toughened glass shelves with the rod track they slide along
Flat-packed for self-assembly, with the hardware and guide in the box. Our DTK storage cabinet build video walks through the base, the upper glass section, the shelf heights and the door lock, so you can follow it as you go.
Would You Rather Have It in Silver?
The same slim storage display cabinet, with the lit glass top and the locking base, also comes in a silver frame at this width. Silver sits more quietly against pale walls and lighter shopfittings where a black frame would stand out. The team can help you match the finish to the room.
Call us on 01279 460460 or view the silver version of this storage cabinet.
DTK400BK is a Black Aluminium Lockable Glass Storage Display Cabinet from Displaysense, and the narrowest model in the black DTK storage range. It pairs an illuminated glass display above with an independently lockable base storage compartment below, in one slim black aluminium frame that fits gaps a wider cabinet cannot reach. Dimensions 1800mm high by 400mm wide by 400mm deep. Display section: three 5mm tempered glass shelves on a continuous rod track, 12kg per shelf, nine integrated 6400K daylight LED spotlights (one top, eight side) tuned to the narrow interior, and a single hinged door on a key lock with two keys. Base storage is an opaque 500mm compartment, sealed on all sides, locked on a key of its own. Four levelling feet. The whole built unit is independently fire certified to BS 5852:2006 Section 12, tested across the finished cabinet. A Displaysense own-design unit, ordered direct rather than through a reseller. Suited to salons, boutiques, receptions and exhibition stands where floor space is tight. A display-only model in the same width and a silver finish are also offered. Displaysense, UK display cabinet specialist since 1978.
This is the DTK400BK, the narrowest black glass storage display cabinet in the DTK range, set out in full. The stat boxes carry the headline points and every row below ties a detail to a short note on what it does in a tight space. Begin with the width and the lit top, move to the locking base, and finish on the fire certification.
9
LED Spotlights
400mm
Bay Width
500mm
Base Storage
Slim
Footprint
Fire
Rated
| Specification | Detail | What This Means for You |
|---|---|---|
| Type | Narrow lockable glass storage display cabinet, black | One slim upright unit gives a lit glass display over a locked base cupboard, in the least floor width of the range. |
| Width | 400mm | The narrowest black DTK model, made to fit a recess, an end-of-run gap or a doorway gap. |
| Height | 1800mm | A full, near-ceiling display height that draws the eye up a tall column while the floor footprint stays minimal. |
| Depth | 400mm | A standard depth that sits flush to a wall, so the slim body adds no reach into an aisle. |
| Frame | Black aluminium | At this width the dark frame is much of what you see, which pushes the lit contents forward as the focus. |
| Display shelves | 3 x 5mm tempered glass, 12kg each | Toughened glass rated for commercial loads, so each shelf holds a fair spread of stock across the bay. |
| Shelf system | Continuous rod track, infinite positions | Set a shelf to any height and lock it with no tools, or lift all three to open the column for a tall item. |
| LED lighting | 9 x 6400K daylight spotlights, one top and eight side | A one-top, eight-side spread tuned to the slim bay lights every level evenly, in a true-colour daylight tone. |
| Display door | Single hinged, full width | Swings the whole slim front open in one movement with no centre post, so styling or restocking is never blocked. |
| Base storage | 500mm high, opaque, independently lockable | A closed cupboard that hides and locks refill stock on a separate key from the lit display above. |
| Locking | One key lock on the display, one on the base | Two keys, one each, so the display and store open for different staff as needed. |
| Levelling feet | 4 x adjustable | Level out a bumpy or textured floor so a tall, slim cabinet stands firm with nothing packed beneath. |
| Fire standard | BS 5852:2006 Section 12 | The recognised UK fire rating for furniture in commercial and public-building settings, checked over the fully built unit. |
| Fire certificate | Available to download | It sits ready on the page for a buyer or estates officer to save and file, with no email or request first. |
| Assembly | Flat-packed, all fixings supplied | The box holds all the hardware and a printed guide, and an online build video runs through it if you want to follow along. Watch the assembly video. |
| Exclusivity | Displaysense own-design, sold directly | A Displaysense design ordered direct from the people who stand behind it, keeping aftercare and paperwork with one supplier. |
Heavy Goods Delivery, book-in service
Ships on a pallet with tail lift. We agree a delivery date with you before dispatch.
Zone 1 mainland
Free
UK Mainland standard delivery
Book-in service
Agreed date
We call you to book a date
Lead time
3 to 5 days
Working days from dispatch
Returns
28 days
Original condition and packaging
Before you order
- Kerbside only. The driver will not enter your premises
- Delivery vehicles are large, lorry-sized. Please ensure access is suitable
- Someone must be available to receive and sign
- Valid telephone number required at checkout
How It Works
-
1You, at checkout
Place your order with a valid telephone number
A phone number is essential. Without one we cannot book your delivery.
-
2Us, within 48 hrs of dispatch
We contact you to agree a delivery date
We work around your schedule, not a fixed window you cannot change.
-
3Delivery day
Pallet arrives kerbside on the agreed date
Tail lift lowers to ground level. Please ensure someone is in and the access route is clear. Larger items (1200mm) and multiple cabinets may require offloading assistance. Our team will discuss this with you when booking.
28-day returns policy. Items must be in original condition and packaging. Full heavy goods delivery guide · Returns policy
Questions About This Narrow Black Glass Storage Cabinet
What is the best narrow display cabinet for a tight retail or salon space?
The best narrow display cabinet for a tight space is the DTK400BK, the slimmest black glass storage cabinet in the DTK range. The cabinet stands a full-height lit display over a locked base compartment in the least floor width available, so a recess, a corner or the gap beside a door becomes a proper display point.
Where does a cabinet this narrow actually fit?
This slim cabinet is made for the spots a wider unit cannot take, a wall recess, the end of a fixture run, a shell-scheme corner or the space beside a doorway. It gives back a tall, lit display and a locked store in a footprint no broader than a single shelf unit, so wasted floor space starts earning its keep.
What is the base storage compartment?
The lower part is a solid-sided, opaque store locked on a key of its own, quite apart from the glass display above. Nothing inside shows from any side, which suits spare stock, testers, packaging or day-to-day kit that should sit close to the display but stay hidden from customers and locked away overnight.
How do the shelves and door work?
The three toughened shelves travel a rod track and reposition anywhere along it by hand, no tools involved, and taking them all out clears the column for one tall item. A single door covers the full slim front and opens right up in one swing, leaving nothing down the middle to work past when a level is restyled or a piece is lifted in or out.
Why does this cabinet have nine LEDs rather than ten?
The narrower bay uses nine spotlights instead of the ten a wider model carries, set one overhead and eight down the sides. That spread is worked out for the slim interior so every shelf is lit evenly with no shadow falling on the lower levels, and all nine run at a true-colour 6400K daylight tone that shows a finish honestly.
Do the display and the base lock separately?
Yes. Each part takes its own key, so the lit top and the base store are opened one apart from the other. That split suits a setting where certain staff should reach the storage and others only the display, and either section can stay locked while the other is open.
What fire standard does this cabinet meet?
As a finished unit the cabinet holds independent certification to BS 5852:2006 Section 12, the UK fire mark for furniture used in commercial and public buildings. That certificate pulls straight off this page, ready to pass to a buyer or estates officer without asking first.
Can this slim cabinet be used in NHS, council or education settings?
Yes. Its BS 5852:2006 Section 12 rating suits public buildings, from NHS sites and council offices to schools and universities. The narrow body also tucks a lit display into a corridor end or waiting bay without closing in the way past.
How does this compare with the display-only version at this width?
Both use the same slim lit black frame at this width, but this storage version adds the locking base cupboard, while the DTS400CBK drops the base and fits four glass shelves instead. Pick this one where refill stock needs hiding and securing below, and the display-only model where every level should be on show.
Does the cabinet need fixing to a wall?
No wall fixing is needed. The black aluminium cabinet rests on four adjustable feet that soak up an uneven floor and hold the cabinet steady on its own. Being on the heavier side, the unit is best carried to its final spot by two people, then the levelling feet bring the cabinet level.
How is the cabinet delivered?
Because of its size the cabinet comes palletised rather than as a normal parcel, and free UK mainland delivery applies alongside a 28-day return window. Adding a phone number at checkout lets the carrier book a slot, so the delivery is not missed.
Is this a Displaysense own-design cabinet?
Yes. This slim storage cabinet is a Displaysense design, ordered direct from Displaysense rather than a third-party shop. The sale, the aftercare and any paperwork stay with a single team, which has designed and supplied display cabinets in the UK since 1978 and answers questions directly.
Making a Display Work in a Tight Space
Fitting a cabinet into a small shop or salon is as much about planning the space around it as picking the unit itself, and a slim column only pays off when the layout lets it be seen. These Displaysense guides look at how to design a small retail space, laying out a shop floor, smart shop-design ideas and how to choose the right floor-standing display cabinet. From Displaysense, UK display cabinet specialist since 1978.
Everything you need to know
Details, specs and delivery
Overview
Description
Specifications
Delivery & Returns
FAQs
Knowledge Hub
Overall rating: 4.894737 / 5 from 38 reviews.
AI Generated Review Summary
This sleek Black Aluminium Lockable Glass Storage Display Cabinet offers a professional presentation with its tempered safety glass and 9 bright LED lights. Customers praise its excellent quality and the convenience of its adjustable shelves and lockable lower compartment. The cabinet is ideal for retail, showrooms, and exhibitions, providing both display and storage solutions.
Summary topics
- Build Quality (14%): It was reported by customers that the quality of the display cabinet is excellent and of great quality.
- Display Case Effectiveness (14%): It was highlighted by customers that the display case is really nice and shows off the items really well.
Review topics: ["quality","service","instructions","cabinet","delivery","lights","display case","shelves","looks"].
Review highlights
- "All good delighted with the Cabinet, Excellent customer service all as explained arrived on time Thankyou David" —
- "Great quality display cabinet" —
- "Great quality glass display cabinets" —
Reviews
Great cabinet. Looks really stylish
"Great cabinet. Looks really stylish in our lounge with my crystal / mineral collection inside."
Light up a beautiful cabinet
"Light up a beautiful cabinet"
One big gripe - those
"One big gripe - those lights are very difficult to screw in. I had to get a flat screwdriver and twist it horizontally to widen the gap, just to get them started. Also the glass shelves sag under their own weight. Other than that it looks good."
Stunning showcase for our GCSE
"Stunning showcase for our GCSE and A level product design work - many compliments received thank you!"
Wow Amazing !
"I can't believe how good our model railways look Great Display Cabinet Thank you so much"
The display cabinet is very
"The display cabinet is very good. A high quality product which shows off our glass collection a treat. Construction of the cabinet was challenging and certainly took more than an hour to complete. The instruction sheet was not detailed enough. But overall we are very happy with the cabinet."
Look good
"Look good"
Beautiful cabinet easy to build
"Beautiful cabinet easy to build came on time very good service and staff were loverly on the phone."
All good delighted with the
"All good delighted with the Cabinet,Excellent customer service all as explained arrived on time Thankyou David"
