A sideboard that is slightly too small looks like an accident. One that is slightly too large makes a dining room feel like a corridor. The proportions that work are predictable, and three measurements settle almost every case.
Width: two thirds of the wall
The convention that reliably looks deliberate is a sideboard between 60% and 75% of the length of the wall it sits on. On a 2.4m wall, that is a 150–180cm piece. On a 3m wall, 180–220cm.
If you are centring the sideboard under artwork or a mirror, size the art to roughly two thirds of the sideboard in turn, and hang it 150–200mm above the surface. That gap is what stops the two elements reading as one heavy block.
Height: clear the table, meet the eye
Standard dining tables sit at 750mm. A sideboard at 800–900mm reads as a distinct surface rather than an extension of the table, and it puts the top at a comfortable serving height for an adult standing. Below 750mm it starts to read as a TV unit; above 950mm it becomes a dresser and dominates a seated room.
Ours generally land between 750mm and 850mm, which is the band that works for both serving and display.
Depth: 400–450mm, and why not more
A sideboard needs to swallow dinner plates — a 280mm dinner plate needs about 320mm of internal depth with the door closed. That puts the practical minimum at around 380mm external. Beyond 450mm you gain storage you cannot reach into and lose walking room, which matters more in a dining room than in a living room because chairs are already pushing back into the space.
Clearance: the number people forget
Leave 800mm between the edge of the dining table and the front of the sideboard if anyone will walk behind a seated guest. 1000mm if it is a main path through the room. A dining chair pulled out occupies about 500mm on its own, so 700mm of clearance means guests stand up to let people past for the whole meal.
If the room cannot give you 800mm, that is the signal to go narrower and taller — a 120cm piece against a side wall, rather than a 180cm piece behind the chairs.
Storage: match it to what you actually own
- Drawers for cutlery, linen and the things that need to be found in the dark. One 100mm drawer holds a full canteen for eight.
- Doors with an adjustable shelf for plates, platters and the appliances you would rather not see.
- Open shelving for glassware if the room is dust-tolerant, and for nothing at all if it is not.
Our sideboards use solid timber drawer boxes with dovetailed corners, not stapled ply, because a drawer loaded with plates is the hardest-worked joint in any dining room. How it is built.
Then pick the timber
A sideboard is usually the largest single expanse of timber in a dining room, so the species choice shows more here than anywhere else. If the room takes strong afternoon light, oak and ash hold their colour best; if it is a cooler south-facing room, walnut keeps its depth. Our species guide covers how each one ages.
Browse the sideboard and buffet range — all 100% solid hardwood, 10-year warranty, free metro delivery over $600.
