Staircase dimensions and measurements are an important part of staircase safety and effectiveness .  Mykonosplan explain all of the important staircase measurements and mistakes to watch out for!

Treads And Risers

The tread size min 25.4cm is dictated by the average adult foot size, although it is not necessary to be able to fit your entire foot on a tread in order for walking up the stairs to be both comfortable and safe.

The riser height max 19.7cm is limited by the way in which we come down the stairs. The rungs of a ladder are placed at more like 30cm apart.  But we go down the stairs facing forwards, and it’s this that limits the riser size to being much smaller.

The maximum dimension between balusters is 10cm.  The driver for this maximum dimension is to protect crawling babies from crawling through a baluster.  If the treads are long it might be necessary to have three balusters per step.

Tread Nose

The nose makes the tread more comfortable to climb in socked feet or bear feet.  It mustn’t over hang too much or it becomes a tripping hazard.  A nose is not an essential part of a tread.  There are plenty of staircases, particularly more contemporary designs that are constructed without a nose.

Ceiling Height

The diagram below indicates the minimum ceiling heights required.  These are very much the minimum and a ceiling height approaching the regular ceiling height is more ideal.

The minimum staircase width is the same as the minimum circulation zone width of 0.91m.

Under Staircase Dimensions Mistake

I’ve come across several houses in Mykonos where this staircase design mistake has been made.

When working out where to put a door that fits under the stairs, the obvious thing to do is to take the door height and work out how many steps need to come before the door can fit underneath.  But that would be a mistake because if there’s any stair skirt or molding around the door the molding and the skirting will overlap.

Don’t forget to factor in the stair skirt and any door molding when working out where to position a door under the stairs.

Here’s a picture to help explain.

Staircase Building Mykonos

If You want to build new or repair existing stairs inside or outside your house you can Contact Us. We can help you build the stairs your house or villas deserve. From reinforcement concrete, plastering, pressed cement mortar to perfectly finish with an professional painting.