Hang a wall clock on a dot-and-dab plasterboard wall

Learn how to fix a wall clock safely and levelly, whatever your wall is made of.

WC-01Gather your tools and check the clockLay everything out before you start: pencil, tape measure, spirit level, stud detector or magnet, drill, and screwdriver. Weigh the clock if you can, or check the box — most wall clocks are under 1kg, which keeps your fixing choices simple. Decide roughly where you want it, at a comfortable eye height, before you start marking the wall.

1 each · Pencil

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1 each · Tape measure

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1 each · Spirit level (small)

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1 each · Stud detector or cable/pipe detector

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WC-02Work out what your wall is made ofTap along the wall. A dull, solid sound means brick or block; a hollow sound means plasterboard on a stud wall or dot-and-dab. If it's hollow, run your detector or a magnet across the surface to find the line of screw heads that marks a timber or metal stud. Drill a small 3mm pilot hole in an inconspicuous spot: pale dust means timber, fine grey swarf means metal, and if the drill sinks in loosely with a gap before it hits anything solid, you likely have dot-and-dab over brick or block.

1 each · 3mm drill bit

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WC-03Check for cables, pipes, and your isolation points before drillingCables and pipes can run almost anywhere in a wall, not just in the usual safe zones, and cheap detectors can miss deep cables, armoured cable, or anything behind metal-backed plasterboard or a metal stud frame. Before you drill, find your stopcock (usually under the kitchen sink) and check it turns freely, so you can shut off the water fast if you hit a pipe. If you have any doubt at all, isolate the relevant circuit at the consumer unit before drilling, and don't rely on the detector alone — treat every hole as if something could be behind it.

WC-04Mark and level the fixing pointHold the clock up, or measure from its hanging point to where the fixing needs to go, and mark this on the wall in pencil. Use the spirit level to check the mark is level with any nearby reference, like a skirting board or door frame. Double-check the height feels right before you commit to drilling.

WC-05Fixing into solid brick or blockDrill a 6mm hole to a depth of about 35mm, using a masonry bit and hammer action if your drill has it. Push in a matching 6mm wall plug (Rawlplug or similar) until it's flush, then drive in a screw, leaving a few mm proud to hook the clock's hanger onto. This is the simplest and strongest option if your wall turns out to be solid.

1 each · 6mm masonry drill bit

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1 each · 6mm wall plug (Rawlplug)

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1 each · Screw, 40mm

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WC-06Fixing into a timber stud wallIf your detector and pilot hole confirm a timber stud, drill a 2-3mm pilot hole into the centre of the stud to stop the wood splitting. Drive a wood screw, at least 35mm long, straight into the pilot hole, leaving enough proud to take the clock's hanger. A timber stud is a strong, reliable fixing for anything this light.

1 each · Wood screw, 40mm

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WC-07Fixing into a metal stud wallIf the pilot hole brings out fine metal swarf, you have a metal stud — common in flats and newer builds. Never use a plain wall plug or ordinary wood screw here; they strip straight through 0.5mm steel. Use a self-drilling metal-stud fixing rated for at least the clock's weight, driven straight into the stud with a screwdriver, not a drill on hammer setting.

1 each · Self-drilling metal stud fixing

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WC-08Fixing into dot-and-dab plasterboardBetween the studs, dot-and-dab plasterboard has an air gap behind it, so an ordinary wall plug won't grip. Use a hollow-wall or toggle-type fixing long enough to pass through the plasterboard and adhesive dabs and open out in the gap behind — usually 50-65mm depending on the gap. Drill the size hole stated on the fixing pack, push it through until it locks, then drive in the screw and hang the clock.

1 each · Hollow-wall toggle fixing (light duty)

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WC-09Fixing into lath and plasterOlder houses may have lath and plaster instead of plasterboard — thin wooden strips under a lime or gypsum coat, which crumbles easily if you drill carelessly. Find a lath (a thin strip of wood behind the plaster, roughly every 25-30mm) with a pilot hole, then use a fine screw driven gently by hand or on a slow drill setting to avoid cracking the surrounding plaster. If you can't locate solid timber, use a hollow-wall fixing rated for lath and plaster instead of forcing a screw into loose plaster.

1 each · Fine screw, 30mm

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1 each · Hollow-wall fixing for lath and plaster

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WC-10Hang the clock and check it's levelLift the clock onto the fixing and let its hanger settle fully onto the screw or hook. Step back and check it with the spirit level, and nudge it gently until it sits straight. Give it a light tug to confirm it feels secure before letting go.

WC-11Tidy up and do a final checkVacuum up any dust or plaster debris from the floor and skirting, and wipe down the wall if needed. Put any leftover fixings and packaging away for next time. Come back after a day and give the clock a final check, as fixings in plasterboard can settle slightly once the wall takes the weight.

1 each · Vacuum cleaner or dustpan and brush

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