How Do You Make a Bar Stool out of Wood?

To make a bar stool out of wood, cut four legs to your finished seat height less the seat thickness, join them with two sets of rails using mortise and tenon or dowel joints, add a footrest rail around 40cm below the seat, then glue up, clamp square, and fix a solid timber seat to the top. For a 65cm seat height with a 4cm thick seat, the legs are cut at 61cm.

A first stool is a genuinely achievable weekend project. The joinery is repetitive, the shapes are simple, and there is no upholstery to worry about if you keep the seat in solid timber.

Choosing your timber

Hardwood is the right choice for a stool because the joints carry real load. Beech is inexpensive, close grained and takes a finish well. Oak is harder to work but very stable and looks handsome unpainted. Ash is springy and forgiving. Pine is workable and cheap but dents easily and is best kept for a painted stool.

Buy planed timber if you do not own a planer. For legs, look for stock around 45mm square. For rails, 60mm by 20mm is a sensible section. For the seat, either a single wide board or two narrower boards edge jointed together, finishing around 35mm to 40mm thick.

Check every piece for straightness by sighting along its length, and choose leg stock with straight grain running end to end. Grain that runs off the edge creates a weak point exactly where you do not want one.

Allow extra length on the legs for trimming. Buying slightly more timber than the cutting list requires is always cheaper than a second trip.

Working out your dimensions

Decide the seat height first, based on the surface the stool will serve. A 90cm worktop needs a seat around 62cm to 65cm. A raised bar of 105cm needs a seat around 78cm.

Subtract the seat thickness from the seat height to get the leg length. A 65cm seat height with a 40mm seat means legs cut at 61cm.

Choose a seat size of 35cm to 40cm across for a comfortable perch. Set the upper rails 8cm to 10cm below the top of the legs so the seat can be fixed to them.

Position the footrest rails 40cm to 45cm below the finished seat height. This is the measurement most home built stools get wrong, and it matters more than any other detail for comfort.

Splaying the legs outwards by a few degrees adds stability and looks better, but it means every joint is cut at an angle. For a first stool, straight legs with wide set rails are the sensible choice.

Tools you will need

A tenon saw, a marking gauge, a combination square, a sharp chisel and a mallet cover hand cut joinery. A drill with a dowelling jig is a faster alternative and produces perfectly strong joints for a stool of this size.

Add a set of long clamps, wood glue, a block plane, sandpaper in three grades, a pencil and a tape measure. A mitre saw makes repeat cuts quicker and more consistent but is not essential.

Sharpness matters more than the number of tools. A blunt chisel tears the fibres and produces loose joints, and loose joints are the reason home built stools wobble.

Cutting and marking the joints

Cut all four legs to length in one session so they match exactly. Stand them together on a flat surface and check the tops are level.

Label the legs and mark which faces are inside. Marking every piece before you cut a single joint prevents the classic mistake of two mortises on the same face.

For mortise and tenon joints, mark the mortise positions on the inside faces of the legs, cut them with a chisel or a router, then cut matching tenons on the rail ends. Aim for a tenon about a third of the rail thickness.

For dowel joints, clamp the jig to the rail end and drill two holes, then transfer the positions to the leg with dowel centres. Two 8mm dowels per joint are ample.

Test fit everything dry before glue touches the timber. A dry assembly reveals a twisted frame while you can still correct it.

Glue up and squaring

Work in stages. Glue two legs to one pair of rails, clamp them, and check for square by measuring both diagonals. Repeat with the other two legs. When both frames have cured, join them with the remaining rails and the footrest.

Wipe away squeeze out with a damp cloth immediately. Dried glue resists stain and shows up clearly on a finished stool.

Check for square at every stage and check the frame stands flat on a level surface. A small twist introduced during glue up cannot be corrected once cured.

Leave the assembly clamped for the full curing time stated on the adhesive. Rushing this step is a false economy.

Making and fitting the seat

If you are edge jointing boards, glue them together first and plane the surface flat once cured. Cut the seat to shape, then soften the front edge with a block plane or a router so it does not press into the back of the thigh. This single detail transforms comfort.

A gentle dish across the seat, taken out with a curved plane or a coarse sanding disc, is a further improvement if you have the confidence.

Fix the seat from underneath with screws through the upper rails, using slotted holes or shrinkage buttons so the timber can move seasonally. Screwing a wide solid seat down rigidly at every point can cause it to split.

Sand through the grades, finishing at a fine grit, and remove the dust before finishing.

Finishing and living with it

Hardwearing oil is the easiest finish for a first project and it can be topped up over the years. Two or three coats of a durable varnish give more resistance to spills in a kitchen. Wax alone is best kept for stools that will not see food and drink.

Fit felt pads to the feet to protect flooring and to stop the stool catching as it slides.

Give the finish several days to cure fully before the stool goes into daily use, particularly with oil.

Building one stool is satisfying. Building four to match takes real patience, and many people build one for the character and buy a matching set for everyday seating. If you decide to combine the two, our modern wooden bar stools UK come in oak, walnut and painted finishes that sit comfortably alongside handmade pieces, and our wider bar stools UK sale selection covers a full range of heights. For a matching surface, our wooden bar tables UK sale are built to standard heights that work with a stool made to the measurements above. You can browse the full collection at Furniture in Fashion, with free delivery to most UK mainland postcodes.

Variations once you have built one

The basic four leg frame adapts easily. Adding a low shelf between the footrest rails turns the stool into useful storage for a hallway or utility room. Tapering the legs on their two inner faces below the rails lightens the look considerably and is straightforward with a hand plane.

A round seat instead of a square one softens the design and is cut with a jigsaw and cleaned up with a sanding block. Cutting a shallow hand hole through the centre of the seat makes the stool easier to lift and gives it a workshop character.

If you want a three legged stool, the geometry is different: three legs always sit flat on an uneven floor, but the joints are angled and the seat has to be a triangle or a circle. It is a satisfying second project rather than a first one.

Sizing a set for a real kitchen

If you are building more than one, make a simple jig for marking the joints so every leg is identical. Even a scrap of plywood with two drilled holes will keep a set consistent in a way that pencil marks cannot.

Plan the spacing at the same time as the height. Allow around 60cm of worktop width per stool, and check that the finished frame width leaves 15cm of clear air between neighbouring seats.

Build one stool completely and live with it for a week before making the rest. You will almost certainly want to adjust the footrest height or the seat edge, and it is far easier to change a design after one prototype than after four.

Frequently asked questions

What length should the legs be for a 65cm stool?
Cut them to 61cm if your seat is 40mm thick. Always subtract the finished seat thickness from the intended seat height.

Which timber is easiest for a first stool?
Beech is a good balance of price, workability and strength. Pine is easier to cut but marks more readily, so it suits a painted finish.

Do I need mortise and tenon joints?
No. Well fitted dowel joints are strong enough for a domestic stool and are considerably quicker if you have a dowelling jig.

How high should the footrest be?
Around 40cm to 45cm below the finished seat height, which puts the knees at roughly a right angle.

How do I stop the stool wobbling?
Check both diagonals for square during glue up, work on a flat surface, and make sure every joint is tight before the adhesive goes on.