Three stages, one carcass
| Stage | Age | What the room must do | What changes from the stage before |
|---|---|---|---|
| Nursery | 0 – 4 | Cot, changing surface, clothes storage at adult height, floor play area | — |
| School age | 5 – 10 | Single bed, first desk at 640–680 mm, toy and book storage the child can reach | Cot out, bed in; lower one hanging rail; desk added |
| Teen | 11 – 17 | Bed, full desk at 720–750 mm, wardrobe with full hanging, a wall that is theirs | Desk raised; shelves re-hung; fronts changed; play storage converted to hanging |
The wardrobe carcass, the loft and the electrical points should not change across any of these stages. Everything that does change should be unscrewed, not demolished.
In practice this means three decisions at the start: put the wardrobe carcass at full height with an adjustable rail system, run the desk power and data before the desk exists, and choose a shutter finish that can be replaced on the same carcass in eight years.
Safety specification
- Board emission grade. E1 or better for every board in the room. In a small, air-conditioned, closed bedroom, formaldehyde emission from a cheap board is a measurable indoor air quality issue, not a theoretical one.
- Finishes. Water-based low-VOC lacquer or a pre-laminated surface. If PU is used, it is applied off site and allowed to cure fully before the unit enters the house.
- Anti-tip. Every tall unit mechanically fixed to the wall, not resting on it. This is the single most important line in this list.
- Edges and corners. Radiused 3 mm minimum on every edge below 1,200 mm; 2 mm PVC banding, never a 0.45 mm band that lifts and becomes a sharp edge.
- Soft-close everywhere. Hinges, drawers and any sliding shutter. Finger injuries in a child’s room come from drawers, not from knives.
- Sockets. Shuttered sockets at 300 mm above floor for cleaning access, plus a desk-height bank. No trailing extension on the floor.
- Windows. Restrictors on any opening above ground floor, and no climbable furniture within 600 mm of a window.
Design for the child they will be in six years
Bunk and loft beds, dimensioned
Bunks and lofts are the highest-value move in a small room and the easiest to get dangerously wrong.
| Dimension | Rule | Why |
|---|---|---|
| Clear height above the top mattress | 750 mm minimum | A child sitting up in the top bunk should not reach the ceiling |
| Guard rail above the top mattress | 300 mm minimum, on all open sides | Measured above the compressed mattress, not the base |
| Gap in the guard rail | Below 75 mm, or above 230 mm | The band between traps a head |
| Ladder tread | 90 mm deep minimum, non-slip | A rung ladder is not acceptable for under-eights |
| Age for the top bunk | Six and above | Manufacturer guidance and common sense agree on this |
| Loft bed under-space | 1,400 mm clear for a desk, 1,600 mm for a wardrobe | Below 1,400 mm the space under a loft becomes storage, not usable space |
Study lighting and the desk
- Aim for 300–500 lux on the desk surface, measured, with a general room level of about 150 lux. A single ceiling light gives you roughly 100 lux at the desk and a shadow of the child’s own head.
- Task light from the non-writing side. Left for a right-handed child. This one arrangement removes the shadow that causes most complaints about a study corner.
- 4000K for study, 3000K for the rest of the room, on separate switches. Cool light at a desk and warm light at bedtime is a real behavioural difference, not a lighting-brochure claim.
- CRI 90 or better. Colour rendering matters when a child is colouring, painting or reading colour-coded material.
- Desk depth 600 mm, height 640 mm at seven and 720–750 mm at thirteen. A height-adjustable desk frame is worth the ₹9,000–₹18,000 it costs.
- A pinboard or magnetic wall, at least 900 × 600 mm, at the child’s eye height rather than yours.
Parents ask us for a theme. What the child actually uses two years later is the shelf at the right height and the light that does not shine in their eyes.
Greenbox principal designer
What it costs
| Scope | 90 – 120 sq ft room | Included |
|---|---|---|
| Essential | ₹1.4 – 2.0 L | Wardrobe with loft, bed with storage, simple study, laminate fronts, peripheral cove |
| Designed | ₹2.2 – 3.2 L | Full-height joinery, bunk or loft bed, layered lighting, pinboard wall, soft-close throughout |
| High specification | ₹3.4 – 4.5 L+ | Bespoke bunk with integrated stair-drawers, acoustic wall finish, adjustable desk, automation |
Ex-GST. Excludes mattress, loose chair, curtains and flooring.
Storage that grows with the child
A child’s storage need does not grow smoothly. It jumps at four, when toys peak, and again at eleven, when clothes replace toys and the hanging requirement triples. A wardrobe designed for one of those moments fails at the other.
- Split the wardrobe into three zones vertically. A low zone the child can reach unaided from three, a middle hanging zone that converts from short-hang to full-hang by moving one rail, and a loft above 1,800 mm for seasonal and sentimental storage the parent manages.
- Use an adjustable rail and shelf system, not fixed shelves at fixed heights. A drilled 32 mm pitch system costs about ₹450 a running foot more and removes the need to rebuild anything at eleven.
- Drawers beat shelves for a child. Folded clothes on an open shelf collapse into a single pile within a week; three 200 mm drawers hold the same volume and survive being used by an eight-year-old.
- Put toy storage on the floor, in open boxes, on castors. Anything a four-year-old has to open, lift or ask for will not be used, and anything not used does not get put away.
- Reserve 900 mm of book wall. Adjustable shelves at 250 mm depth, starting at 600 mm above the floor so the lower shelves are the child’s own.
- Bed storage counts. A 1,900 × 900 mm bed with a hydraulic box holds roughly 30 cubic feet — more than most of the wardrobe — and is the right place for bedding, luggage and outgrown clothes.
Small rooms and city flats
Everything above assumes 90 sq ft or more. Below that — which is most second bedrooms in a metro flat — the planning changes materially, and two children frequently share. For how that is handled in a Mumbai second bedroom under a 9′6″ slab, see kids room designers in Mumbai. For general small-space strategy, storage solutions for small homes covers the volume arithmetic.
Selected work by Greenbox Design Studio. Tap any image to enlarge.
Frequently asked questions
At what age can a child use a top bunk?+
Six and above, with a guard rail at least 300 mm above the compressed mattress on every open side and 750 mm of clear height between the mattress and the ceiling. Below six, a low loft with the sleeping surface under 900 mm, or a standard bed, is the right answer.
What board should be used in a child's bedroom?+
E1 emission grade or better, in BWP or pre-laminated particle board of a known brand, with 2 mm PVC edge banding on every exposed edge. In a small closed bedroom with air conditioning, board emission is the main indoor air quality variable you control, and the price difference over an unrated board is 6–10%.
How much light does a study desk need?+
300–500 lux on the desk surface against a general room level of about 150 lux, delivered by a task light on the side opposite the writing hand. A ceiling downlight alone gives roughly 100 lux at desk level and puts the child's own head shadow on the page.
How do you design a room two children share?+
Give each child a defined territory rather than splitting everything down the middle — separate wardrobe bays, separate desks or one long desk with two clearly assigned halves, and individual task lighting and sockets. A bunk with a stair-drawer unit between the two zones usually works better than two parallel beds.
What does a kids room cost to do properly?+
₹1.4–₹2.0 lakh for an essential fit-out of a 90–120 sq ft room, ₹2.2–₹3.2 lakh for a designed one with a bunk or loft and layered lighting, and ₹3.4–₹4.5 lakh and above for bespoke work, all excluding 18% GST, mattress, chair and curtains.
How do I keep a kids room from being outgrown?+
Fix the things that are expensive to change and keep the cheap things changeable. Full-height wardrobe carcass with an adjustable rail system, electrical and data run to the desk position before there is a desk, and a shutter finish that can be replaced on the same carcass. Themes, colours, textiles and shelf heights should all be unscrew-and-swap items.