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How to measure stairs and landing for carpet

This is a little trickier perhaps but follows the same principle as measuring a room! There are individual parts, a landing, a hall and the stairs part, which may be a combination of straight stairs and winding stairs. The important thing is to measure each individual stair separately. You can watch our handy video on how to measure for a hall, stairs and landing quote here.

The same basic rules apply

* Only record actual measurements on your plan. Don’t add any allowances or extra cm on.

* Remember to measure all the way into the doorway and to measure the widths of doorways and record each measurement on your plan.

* Remember to measure any drop backs, alcoves of fireplaces.

* Take a few measurements wall to wall across each room as some walls are not parallel!


Your plan will end up with a landing sketch, individual stair measurements and a hallway sketch.

1. Start with the Landing, work down the stairs and then finish with the hall.

2. Prepare/sketch a rough plan or layout including alcoves or drop backs to your landing and follow the 'how to measure a room' guide, adding as many measurements as possible and remembering to measure all the way into doorways and the width of the doorway and record the measurements on your plan.

The landing plan will need to include the top stair and here’s how you do that!

Handy tip – The part of the stair that you place your foot on is called a ‘tread’.  The vertical part is called a ‘riser’.

3. Take a measurement from the doorway or wall opposite the top step and carry the tape measure all the way over the nose of the top stair and down to the tread. This is important to do in one measurement as the carpet needs to run down the top stair in one piece without a join and then all the stairs will run in the same direction.

4. Mark the positioning of your stairs on your plan with an arrow.

Then you’re ready to measure down the rest of the staircase.

5. Measure from the back of the top riser over the nose of the stair then down to the back of the next tread. Record that measurement onto your plan.

6. Then measure the width of the stair remembering to record only the actual measurements. Do not add on any allowances.


7. If you have a half landing, measure the width across the half landing (see orange line).

8. Then measure the length of the half landing including the drop over the step and down to the back of the next tread.

9. With winders/curved stairs measure each one individually. Pile direction needs to go over the nose of the stair at a right angle so measure from the back of stair tread, over the nose and then down the riser of the stair to the next tread, then record the size.

10. Then measure the width of the stair from the inner corner on the narrow edge to the furthest away point on the wider edge.

11. Always record only the actual measurements. Do not add on any allowances.

Finally, we arrive in the hallway!

12. Measure this as you would measure a room remembering to go into all doorways, alcoves and drop backs.

13. When the plan is complete put a arrow on your plan showing where the stairs enter the hallway.


Remember, never add anything extra to your measurements.

Finally, thanks for taking the time to measure your room! Just get in touch with us either by visiting a store or calling our order direct line on 03330 150501 and we’ll get you a free quote in the blink of an eye. Also, if you place an order, we’ll be happy to pop over and do a full measurement check to make sure all the measurements are accurate and it’s a free service!

A handy video guide for measuring your stairs


For more help watch our ‘how to measure stairs’ video.