Short answer
Make the expensive things neutral and the cheap things personal. Built-in storage, the bed frame, the flooring and the window treatments should still work at seventeen. Paint, bedding, art and hardware carry the personality and can change in a weekend.
Build the storage in. Freestanding furniture in a child’s room leaves gaps that fill with clutter. A full wall of joinery with closed lower storage and open upper shelving is the highest-return item in the room.
Plan the desk from about age eight, at adult dimensions with an adjustable chair. Children grow into a proper desk far faster than they grow out of a small one.
On this page
What should be permanent, and what should not?
The useful division is by cost of reversal, not by cost of purchase.
| Make it permanent and neutral | Keep it easy to change |
|---|---|
| Built-in storage and shelving | Paint color |
| Flooring | Bedding and cushions |
| Window treatment hardware and blackout lining | Drapery fabric on that hardware |
| Bed frame, if a good one | Headboard fabric or slipcover |
| Lighting positions and switching | Shades, lamps and bulb warmth |
| Desk and its power | Chair, desk accessories, pinboard |
| A neutral rug or floor finish | A smaller patterned rug on top |
The mistake that costs the most is a themed built-in — joinery shaped like a castle, or a bed built into a nautical alcove. It is charming at six, unbearable at eleven, and expensive to remove. Buy the theme in textiles and art, where changing your mind costs a Saturday.
Storage that survives a child
Children generate more objects per square foot than any other occupant of a house, and the objects change category every two years: toys, then equipment, then clothes and technology.
- Closed storage low, open storage high. Reverse the adult convention. What a child can reach should be behind a door; what they cannot reach can be displayed.
- Drawers beat baskets on shelves. A basket that must be lifted down gets emptied onto the floor and never refilled.
- Hanging space is smaller than you think, shelf space larger. Children’s clothes are short. Double-hang the closet from the beginning — two rods at 42 inches each fit in a standard 84-inch closet. The full dimensions are in closets and storage design.
- Under-bed storage counts. A bed on drawers is a chest of drawers that takes no floor area.
- One display shelf at eye level for their height. Children need somewhere that is theirs to arrange, or every surface becomes it.
- Leave 20 percent empty at handover. Storage designed to exactly fit today’s possessions is full on the day it is installed.
A wall of built-in storage, a proper desk and double-hung closets will carry a child from primary school to college without being rebuilt. Everything else can change with a paint roller.
Jan Revels draws and builds the millwork, so it fits the room's real dimensions rather than a standard module.
Beds, bunks and lofts
| Consideration | Guidance |
|---|---|
| Twin vs full | A full bed lasts into adulthood and takes only 15 more inches of width. Choose it if the room allows |
| Bunk ceiling height | Allow at least 30″ between the top mattress and the ceiling so a child can sit up |
| Bunk guard rails | Required on the upper bunk; check the rail height against the mattress thickness you actually use |
| Loft bed under-space | Only worth it if the space beneath has a defined purpose — a desk or seating, not storage in bags |
| Clearance beside a bed | 24″ minimum on the side used to get in and out |
| Trundle | The most useful sleepover solution in a small room, and it disappears entirely by day |
A thicker mattress than the bunk was designed for reduces the guard rail height and is the most common safety error in a bunk installation. Check the mattress specification against the bed, not against comfort preference.
Study space, by age
- Under about seven — a low table for drawing, not a desk. Homework happens at the kitchen table at this age and that is fine.
- Eight to twelve — a real desk at adult height (29 inches) with an adjustable chair and a footrest. Do not buy a child-height desk; the chair adapts and the desk does not.
- Thirteen and up — desk depth of 24 to 30 inches for a monitor, power at the surface rather than at the baseboard, and light from the side. The principles are the same as in home office design.
Light matters more than the desk. A task lamp positioned opposite the writing hand, plus general light in the room so the screen is not the only bright thing, prevents the eye strain that makes homework a fight.
Two children in one room
- Divide storage visibly. Each child needs their own drawers, their own shelf and their own hooks. Shared storage becomes the older child’s storage.
- Give each a personal wall. A pinboard, a shelf, a lamp. Territory reduces conflict more reliably than a bigger room does.
- Separate reading lights so one can read while the other sleeps. This is the single most useful decision in a shared room.
- Beds along the same wall or head to head rather than facing — facing beds encourage conversation at exactly the wrong hour.
- Plan for separation. If the children will eventually have their own rooms, do not build joinery that only works as a pair.
What changes for a teenager?
Three things, and they are all about the room’s function rather than its look.
- It becomes a sitting room. Teenagers have friends over and do not take them to the living room. A chair or a small sofa, if the floor area allows, changes how the room is used entirely.
- Blackout matters. Teenagers sleep differently. Proper blackout lining with a return at the sides, not a shade with light leaking around it — see the window treatments guide.
- Power everywhere. Beside the bed, at the desk, and near wherever they actually sit. Insufficient outlets is the source of every extension cord across a floor.
Let them choose the color. A teenager who chose the paint takes care of the room; a teenager who was handed a scheme does not.
Key takeaways
- Permanent things neutral, cheap things personal. Never build a theme into joinery.
- Built-in storage is the highest-return item in a child’s room.
- Closed storage low, open storage high — the reverse of an adult room.
- Double-hang the closet from day one; children’s clothes are short.
- Buy a full bed rather than a twin if the room allows; it lasts into adulthood.
- Adult-height desk from about age eight, with an adjustable chair and a footrest.
- In a shared room, separate reading lights and visibly divided storage.
Frequently asked questions
How do I design a child's room that will not need redoing in three years?
How much ceiling height do bunk beds need?
What size desk does a child need?
How do you make a shared bedroom work?
Should I let my teenager choose the paint color?
Jan has practiced interior design in Dallas since 1997 and founded Chateau Concepts in 2001. She holds a BFA in Interior Design from the University of North Texas. She designs and general-contracts residential and commercial projects across the Park Cities, Preston Hollow and North Dallas. Read her full profile →
Written and reviewed by Jan Revels before publicationWork with Chateau Concepts
Jan Revels handles both sides of a project in Dallas and the Park Cities — the design and the build.