01
Timber & steel
Warm treads on a slim steel stringer — the modern duplex default, quiet underfoot and light through the core.
Staircases
Sculpture you
happen to climb.
The largest object in the house, and the only one you interact with using your whole body. It's also governed by two numbers you cannot argue with. We get the arithmetic right first — then build the sculpture around it.
The arithmeticComfort is a
Comfort is a
measured thing.
A staircase that feels wrong is always a rise-and-going problem, and it's always unfixable once it's cast. Riser around 165mm, tread around 280, railing at 900 from the nose, baluster gap under 100 so a child's head can't pass. These numbers come before any conversation about material — and every riser in a flight must match to within 5mm, because your foot learns the first step and expects every one after it.
165mm
Comfortable riser height
280mm
Tread your whole foot lands on
100mm
Max baluster gap, a safety rule
Two numbers you
cannot argue with.
UnderfootSix things behind
Six things behind
a stair that feels right.
The largest object in the house, and the only one you use with your whole body in the dark. These six decide whether it feels right underfoot, long before anyone argues about timber or glass.
01
Rise and going first
Below the treadsThe engineering
The engineering
under the sculpture.
01
Fixing & load
Carried into structure
A slim steel flight still lands real load on the slab and the wall. We anchor the stringer into structure, not just plaster, so twenty years of daily traffic never works it loose.
02
Non-slip nosing
Grip on the edge
The front lip of a tread is where a wet or sock-footed slip happens. A subtle non-slip nosing holds grip without turning your sculpture into a fire escape.
03
Headroom
2m clear overhead
The ceiling over a flight has to clear a tall head on every step. We check headroom against the floor opening early — a landing you duck under is a mistake cast in concrete.
04
Handrail grip
Graspable and unbroken
A rail you can actually wrap a hand around, running continuous to the last step. The height is code; the grip and the continuity are what your palm trusts on the way down in the dark.
05
Turn geometry
Landings over winders
Where a flight turns, winder treads taper to nothing at the inside — a classic ankle-turner. We use a landing or hold the going across the turn, so the corner is as safe as the straight.
06
Creak control
Silent underfoot
A stair that announces every late-night trip down has treads working against their fixings. We bed and fix each tread so the flight stays quiet, not just solid.
Three ways upThe core, three
The core, three
different characters.
02
Open riser
Gaps kept under 100mm with a rod or glass infill, so light moves straight through and the flight feels weightless.
03
Understair built-in
The wasted void reclaimed — storage, a study nook or a powder room worked into the volume beneath the flight.
In motion
You climb it with
your whole body.
A stair is the one object in the house you use head to foot, in the dark, without looking. Everything we build — the even rise, the handrail height, the step lighting — is tuned for the body that takes it twenty times a day.
The numbersGet the numbers
Get the numbers
wrong and it's cast in.
A flight that feels off is never a finish problem — it's rise and going, and it's permanent the day the concrete sets. We settle the riser, the tread and the railing on paper before anyone talks about timber or glass, because these are the numbers you can't argue with later.
- Riser 150–180mm, tread 250mm and up
- Every step identical to within 5mm
- Railing 900mm from the tread nose
- Baluster gaps held under 100mm
The wasted volumeThe space under it
The space under it
is a whole room.
An open void beneath a stair is the most-wasted volume in most villas. Almost anything can go there — storage, a study nook, a powder room, a display — as long as it's something. We design the understair as part of the flight, not an afterthought.
01
Storage, study nook or powder room worked in
02
Joinery detailed to the rake of the stringer
03
Lit and ventilated where it's an enclosed room
04
Designed with the stair, not bolted on after
Planning a duplex or villa stair?
Send us the floor-to-floor height and the footprint you've got — we'll come back with a flight that works, a material, and a price.
Gallery
Built, photographed, handed over
Timber + steel · Sarjapur
Open riser · Hebbal
“
Every step is the same. Sounds obvious until you've lived somewhere they weren't.
Swati & Gaurav — 4 BHK, Hebbal
Questions
Asked often
The treads, railing and finish, yes — often transformative on its own. The rise and going are structural and stay unless you're rebuilding the flight, which is a serious job.
With a gap under 100mm, yes. Above that, no, and that's not a preference. If the design needs open risers we close the gap with a rod or a glass infill.
Storage, a study nook, a powder room, or a display. Almost anything except nothing — it's the most wasted volume in most villas.
Begin
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