Most stair falls happen on the last step, where the rail has already ended

What is handrail installation?

A handrail is a continuous run of graspable rail alongside a staircase, a set of steps or a passage, fixed into structure so it can take a person's weight if they slip. For someone whose balance has changed, the three things that decide whether it works are whether it runs the full length including the last step, whether the profile can actually be gripped by that person's hand, and whether there is one on both sides.

Signs you need handrail installation

• Someone is using the wall, the newel post or a piece of furniture instead of a rail at the bottom of the stairs
• The staircase has a rail on one side and the person is stronger on the other side
• The rail stops a step or two before the floor at one or both ends
• The rail is a wide flat plank or an oversized moulding that a hand cannot close around
• Stairs are being taken one foot at a time, sideways, or not at all
• The front or back steps outside have no rail, or a rail that moves when leant on
• A rail has come loose at a bracket, or the newel post rocks when pushed

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How handrail installation actually works

1. 1

   Establish which side, and whether it needs to be both

   Where one arm or one leg is stronger, the useful rail is on the side the person can use going both up and down - which are opposite sides of the same staircase. That is the argument for two rails, and it is a bigger safety gain than any upgrade to a single one.

   Watch forA quote to replace an existing single rail with a nicer single rail. Adding a second is usually cheaper and does considerably more.

2. 2

   Check the grip against the actual hand

   A graspable rail is one the fingers can wrap around and hold under load. Broad decorative caps, square-edged timber and heavy mouldings look substantial and cannot be held. Have the person hold a sample before it is ordered - hand size, arthritis and grip strength all bear on it.

   Watch forA profile chosen from a catalogue photograph. If they cannot close a hand on it, they will slide a palm along it instead, which stops a fall from being arrested.

3. 3

   Run it the whole way, including past the last step

   Continuity is the point. A rail that ends level with the top riser or a step above the floor releases the hand exactly where the change in level occurs, and building codes ordinarily require rails to extend and return at the ends for that reason.

   Watch forA design that stops short because a wall or a doorway is in the way. There are usually solutions - a return into the wall, a short run past the opening - and a competent installer will propose one rather than shortening the rail.

4. 4

   Fix brackets into framing, not into finish

   Rail brackets have to land in studs, in stair stringers, in blocking, or into masonry with correctly specified anchors. A rail carries sideways shock loads that plasterboard cannot take, and the fixing is entirely hidden once the escutcheons go on.

   Watch forBracket spacing set to suit the studs found rather than the loads. If the studs do not line up, the fix is a mounting board behind the rail or added blocking - not fewer brackets.

5. 5

   Deal with the ends so nothing catches

   Open ends catch sleeves, bags and cuffs. Rails should terminate in a return to the wall or the post, which is both a code expectation in most jurisdictions and a genuine practical safety feature.

   Watch forA rail cut square and capped. It looks neat and it is a snag point at exactly the height a coat pocket travels.

6. 6

   Treat outside steps as a separate problem

   Exterior rails deal with rain, ice, sun and salt. Materials and fixings need to suit that, anchors into concrete and masonry need to be right for the substrate, and a cold metal rail is unpleasant to grip on a winter morning - which matters, because an unused rail is not a rail.

   Watch forInterior rail hardware used outdoors. It corrodes at the fixings, which is where you cannot see it, and the first sign is movement under load.

7. 7

   Confirm what the code requires here, and whether a permit applies

   Rail height, graspable profile, extensions, returns and guard requirements are set by the building code as adopted locally, and they vary. Where a staircase or an exterior stair is being altered rather than just fitted with a rail, inspection may be involved.

   Watch forA contractor who cannot say what the local requirement is. This is checkable in an afternoon at your building department, and someone doing this work for a living should know the answer.

What does handrail installation cost?

A straight interior rail on a single flight is one of the lower-cost jobs in this category; a curved or turned staircase, a wall that needs blocking added, or an exterior rail anchored into masonry costs meaningfully more. Adding a second rail is cheaper than most people assume. See the Cost Guide.

See the full handrail installation cost guide - by material, size and region →

If the number is the problem, here are the ways people pay for it →