On this page
- 1. Slim-sightline sliding doors
- 2. Structural glass staircases and floors
- 3. Roof lanterns over the middle of the plan
- 4. Fluted and reeded glass indoors
- 5. Dark frames as a deliberate line
- 6. Crittall-style internal screens
- 7. Blinds sealed inside the glass
- 8. Frameless balustrades
- 9. Back-painted and coloured glass
- 10. Switchable privacy glass
Glass has quietly become the main structural material of British home improvement. Ten years ago a rear extension meant French doors and a small window. Today it routinely means a wall that slides away, a lantern overhead and a balustrade you can see straight through. Here are the ten details we are asked for most often this year.
1. Slim-sightline sliding doors
Bifolds dominated the last decade because they open completely. Sliders are taking ground back because when they are closed — which, in Britain, is most of the year — they show almost no frame at all.
Current slim systems have interlock sightlines down to roughly 20mm to 35mm, with panes up to around 3m tall. The effect is a wall of glass rather than a row of doors. Where a bifold set gives you five vertical frames across the opening, a three-panel slider gives you one.
Worth knowing: large panes are heavy, and the track has to be bedded dead level on a properly supported opening. Get that wrong and the door drags within a year.
2. Structural glass staircases and floors
Structural glass has moved from commercial atria into ordinary houses, particularly in narrow London properties where a solid staircase blocks all the light reaching the middle of the plan.
Laminated treads on a hidden steel stringer, or a glass floor panel letting daylight down into a basement, both work on the same principle: remove the visual barrier without removing the structure. It requires proper engineering and it is not cheap, but in the right house the transformation is dramatic.
3. Roof lanterns over the middle of the plan
Every single-storey extension creates the same problem — a dark middle where the old back wall used to be. Roof glazing is the most efficient fix available, because glass facing the sky collects roughly three times the daylight of the same area facing a fence.
The current look is slim aluminium rafters and large panes, a long way from the chunky white conservatory roofs of the 1990s. Solar control glass is close to essential on south-facing installations; self-cleaning coatings are genuinely useful anywhere the glass is out of reach.
4. Fluted and reeded glass indoors
Vertically ribbed glass has come back strongly, and unlike some revivals it is doing real work. It passes light between rooms while obscuring detail, which makes it ideal for a home office partition, a shower screen, or the panel beside a front door.
It appears in cabinet fronts, internal doors, room dividers and en-suite screens. Where a solid partition would darken a hallway, fluted glass keeps the light and adds texture at the same time.
5. Dark frames as a deliberate line
Anthracite grey — RAL 7016 — has been the default for years, and matt black is now close behind. The thinking has shifted: rather than trying to make frames disappear, designers are treating them as a drawn line around the view.
Dual-colour frames make this practical. Dark outside for the elevation, a lighter finish inside so a room with limited light does not feel closed in.
6. Crittall-style internal screens
Black-framed steel-look screens with a grid of panes have gone from industrial conversions to mainstream family houses. They divide open-plan space without closing it — a kitchen separated from a snug, a hallway from a living room, a home office carved out of a landing.
Genuine steel is expensive and thermally poor. Aluminium systems that replicate the look at a fraction of the cost, with proper thermal performance if they are external, are what most people actually install.
7. Blinds sealed inside the glass
Venetian or pleated blinds sealed within the cavity of a double glazed unit, operated magnetically or electrically. They never need dusting, never tangle, and cannot be pulled down by a child or a dog.
They are especially popular on bifold and patio doors, where conventional blinds are permanently in the way, and in bathrooms and kitchens where fabric blinds absorb moisture and grease. The trade-off is that if the mechanism fails, the whole unit is replaced rather than repaired.
8. Frameless balustrades
Balconies, terraces, landings and staircases increasingly use structural glass with no posts and no handrail. On a first-floor landing it stops the stairwell reading as a boxed-in shaft; on a terrace it keeps the view.
The engineering is the important part. Panels must be laminated so they hold together if damaged, and the system has to be calculated against the horizontal line load for its location — considerably higher in a commercial or public setting than in a house.
9. Back-painted and coloured glass
Toughened glass painted on the reverse gives a seamless, completely wipeable surface with no grout lines. As a kitchen splashback it has largely replaced tiles in contemporary schemes.
The use is spreading: bathroom wall panels, wardrobe doors, feature panels behind a bed. Any RAL colour is possible, and because the paint sits on the back face it cannot be scratched off in use.
10. Switchable privacy glass
Laminated glass with a liquid-crystal interlayer that turns from clear to opaque when current is applied. Still a premium product, but prices have come down enough that it now appears in en-suites, home offices and internal screens rather than only in commercial boardrooms.
The practical appeal is space: no blind, no curtain, nothing projecting from the wall. Flick a switch and the room is private.
Choosing between them
Trends are only useful when they solve something. Before specifying any of the above, work out what the room actually lacks — light, privacy, separation, a view, or floor space — and pick the detail that addresses it. A fluted screen in a room that needed a rooflight will not fix the problem, however good it looks in the photograph.
Frequently asked questions
Roof lanterns and slim sliding doors, because both change how a whole room is used rather than adding a decorative detail. Estate agents consistently cite light as a selling point.
Yes, and it is a popular choice. Specify the ribs facing outwards so the inside face stays flat and easy to squeegee.
Failures are uncommon but not unheard of, and the whole sealed unit has to be replaced when they occur. Check the warranty on the blind mechanism specifically, not just on the glass.
Not really, though water spotting shows more on matt black than on anthracite. A wipe with a soft cloth handles it.
It remains several times the price of standard laminated glass, so it is usually specified for one or two key panels rather than throughout a project.
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