Step 1 of 5
Floor to Floor Measurement
Please select the floor-to-floor measurement in mm:
Stair Type
The pitch or steepness is limited to a maximum of 42 degrees for a private stair
(a stairway used by one dwelling)
and a maximum of 38 degrees for a common stair
(a stairway used by two or more dwellings)
, there are variations to both types.
It is your responsibility
to make sure you choose the correct type of stair for the pupose intended.
Private stairs (42°) :: rise max 220mm
Common stairs (38°) :: rise max 190mm
Turn direction
Anti-clockwise
Clockwise
Flight
Please note the figures below are the shortest going you are allowed.
Number of treads:
including top nosing / landing.
Going =
300 mm
299 mm
298 mm
297 mm
296 mm
295 mm
294 mm
293 mm
292 mm
291 mm
290 mm
289 mm
288 mm
287 mm
286 mm
285 mm
284 mm
283 mm
282 mm
281 mm
280 mm
279 mm
278 mm
277 mm
276 mm
275 mm
274 mm
273 mm
272 mm
271 mm
270 mm
269 mm
268 mm
267 mm
266 mm
265 mm
264 mm
263 mm
262 mm
261 mm
260 mm
259 mm
258 mm
257 mm
256 mm
255 mm
254 mm
253 mm
252 mm
251 mm
250 mm
249 mm
248 mm
247 mm
246 mm
245 mm
244 mm
243 mm
242 mm
241 mm
240 mm
Tread Width
Each tread width can be altered.
Flight 1: width (i) =
1000 mm
995 mm
990 mm
985 mm
980 mm
975 mm
970 mm
965 mm
960 mm
955 mm
950 mm
945 mm
940 mm
935 mm
930 mm
925 mm
920 mm
915 mm
910 mm
905 mm
900 mm
895 mm
890 mm
885 mm
880 mm
875 mm
870 mm
865 mm
860 mm
855 mm
850 mm
845 mm
840 mm
835 mm
830 mm
825 mm
820 mm
815 mm
810 mm
805 mm
800 mm
795 mm
790 mm
785 mm
780 mm
775 mm
770 mm
765 mm
760 mm
755 mm
750 mm
745 mm
740 mm
735 mm
730 mm
725 mm
720 mm
715 mm
710 mm
705 mm
700 mm
695 mm
690 mm
685 mm
680 mm
675 mm
670 mm
665 mm
660 mm
655 mm
650 mm
645 mm
640 mm
635 mm
630 mm
625 mm
620 mm
615 mm
610 mm
605 mm
600 mm
Flight 2: width (ii) =
1000 mm
995 mm
990 mm
985 mm
980 mm
975 mm
970 mm
965 mm
960 mm
955 mm
950 mm
945 mm
940 mm
935 mm
930 mm
925 mm
920 mm
915 mm
910 mm
905 mm
900 mm
895 mm
890 mm
885 mm
880 mm
875 mm
870 mm
865 mm
860 mm
855 mm
850 mm
845 mm
840 mm
835 mm
830 mm
825 mm
820 mm
815 mm
810 mm
805 mm
800 mm
795 mm
790 mm
785 mm
780 mm
775 mm
770 mm
765 mm
760 mm
755 mm
750 mm
745 mm
740 mm
735 mm
730 mm
725 mm
720 mm
715 mm
710 mm
705 mm
700 mm
695 mm
690 mm
685 mm
680 mm
675 mm
670 mm
665 mm
660 mm
655 mm
650 mm
645 mm
640 mm
635 mm
630 mm
625 mm
620 mm
615 mm
610 mm
605 mm
600 mm
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