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Stairs, Ramps & Rails

Stair geometry, ramps, balusters.

Stair CalculatorRisers, treads, stringer length and code checks Access Ramp CalculatorRamp length, landings and slope check Spindle Spacing CalculatorEven spacing under the 4" or 100 mm rule

Guides for this trade

Stairs, Ramps & Rails

Stair rules: Approved Document K basics

Rise, going, pitch, headroom and guarding for private stairs in England, and how to lay out a compliant flight.