Decking lighting: the options, and why timing matters

The main types of decking light

Each type does a different job, and most good schemes combine two.

• Recessed deck lights: small round lights set into the boards to mark edges and paths.
• Step lights: fitted into risers so every step is visible after dark.
• Post and balustrade lights: light at hand height around the edge of a raised deck.
• LED strips: tucked under a board nosing or bench for a soft line of light.

Why planning before the boards go down helps

With the joists exposed, cables can be clipped along the frame, protected where needed, and brought up exactly where each light will sit. Retrofitting to a finished deck is possible but often means lifting boards or running cables on the surface.

It is also the moment to decide on switching: one switch for everything, or separate circuits for steps and ambient lighting.

Safety comes first

Steps and changes in level are where people trip, so they are the first place to light. Lights should illuminate the tread without shining straight into eyes. Outdoor electrics need suitable weather rated fittings and connections, and the supply should be installed and certified by an electrician.

Composite and timber boards

Lights can be fitted into both timber and composite boards, but the hole sizes and fixing methods differ. Some composite manufacturers offer matching light fittings and guidance. Heat from old style lamps is not a concern with modern LEDs, which run cool.

Planning a simple lighting layout

A good starting layout is one light per step, a light at each outside corner of a raised deck, and a few lights along the route from the house door to the steps. Add decorative lighting around seating or planting afterwards. Keep lights out of the main walking line where people might kick them, and think about how the deck looks from inside the house at night, since that is where you will see it most.

Mood lighting without glare

Soft, low level light usually works better on a deck than bright floodlights. Warm white LEDs feel more relaxed than cool white, and lights aimed down at the boards or planting avoid dazzling anyone sitting nearby. A dimmer or separate switching lets you have bright light for clearing up and gentle light for evenings.

Looking after deck lights

Wipe lenses occasionally, keep leaves from gathering around fittings, and check any exposed cable after the winter. Quality fittings with sealed connections last far longer outdoors than budget sets.

Questions we're asked about this