Before You Pick Up the Tool

Good DIY starts with what you're wearing, not what you're holding. Safety glasses are non-negotiable for drilling, cutting and sanding — offcuts travel fast. Add ear defenders for anything that makes you raise your voice, and an FFP2 or FFP3 mask when you're sanding or cutting MDF, hardwood and masonry.

Wear sturdy footwear, tie back long hair and remove rings, watches and dangling bracelets — loose items are the classic way to get caught in a rotating chuck. Gloves protect you when handling timber and clearing debris, but keep them away from drills, circular saws and routers, where fabric can drag your hand in.

Check the Tool, the Cable and the Guards

A two-minute inspection before you plug in saves a lot of trouble. Run your eyes along the whole cable looking for nicks, crushed sections and taped-over repairs. Replace a damaged lead rather than wrapping it in insulation tape, and check the fuse rating matches the tool.

Always run power tools through a residual current device (RCD), whether that's an adaptor, a protected socket or your consumer unit. Outdoors, or in damp conditions, 110V site tools and a transformer are safer still. With battery tools, use the charger supplied, don't leave swollen cells charging overnight, and never bypass a faulty switch.

Guards exist for a reason. Check that the guard on your angle grinder, mitre saw or circular saw is fitted and returns freely. Keep blades and bits sharp and suited to the material — a blunt blade makes you push harder, which is when kickback happens. Confirm the chuck key is out before switching on, and never disable an interlock because it's irritating.

Set Up a Workspace That Works With You

Clutter causes accidents far more often than faulty tools. Clear the floor, route cables out of walkways, and keep the area around your cut free of distractions. Good light matters too when you're marking up or working under a cupboard.

• Clamp or support your workpiece. Never hold it with one hand while cutting with the other.
• Support both sides of a cut so the offcut can't pinch the blade.
• Lay tools out with blades and points facing away from you, not piled in a heap.
• Store blades, chisels and bits in a rack or case, not loose in a drawer.
• Keep children and pets out of the room, and move solvents away from anything that sparks.

Drilling, Cutting and Sanding Safely

Drilling: pick the right bit, mark accurately and start slowly until the bit bites. On walls, use a cable and pipe detector first — wiring rarely runs where you expect. Unplug the drill or remove the battery before changing bits, hold the tool with both hands where you can, and let the bit cut rather than leaning your weight onto it.

Cutting: let the blade work at its own pace. Keep your hands clear of the cut line, never reach across a running saw, and stand to one side rather than directly behind it. Watch for kickback when ripping timber or cutting sheet material, and wait for the blade to stop before setting the tool down or reaching for the offcut.

Sanding: connect dust extraction if the tool allows, and don't press hard — pressure burns the surface, clogs the paper and heats the machine. Drape the cable over your shoulder or well behind you so it can't tangle in the belt or pad.

Dust, Noise and Older UK Homes

Fine dust is the quiet hazard of renovation. Sanding filler, cutting MDF and chasing concrete all produce particles small enough to sit deep in your lungs, so ventilate the room, use extraction and wear a mask that actually fits your face. Take breaks from loud tools, too; hearing damage creeps up over years rather than hours.

If your home was built before 2000, treat textured coatings, insulation board and cement sheet with suspicion until you know what they are. Pre-1980s paint may contain lead, and asbestos turns up in garages, soffits and floor tiles. Don't sand, drill or break up suspect materials — stop and get advice from a qualified surveyor.

Finishing Up and Building Good Habits

Tidy as you go and finish the job properly. Disconnect the power or remove the battery before changing a blade, emptying a dust bag or clearing a jam. Coil cables loosely rather than wrapping them tightly around a hot tool, and return sharp items to their cases. Replace blades, bits and sanding sheets when they dull — sharp tools are safer tools.

Keep a first aid kit within reach, know where your consumer unit is, and work at a sensible pace. If a job is structural, electrical or involves gas, bring in a professional. There's no prize for rushing, and a few careful habits will see you through years of projects with all ten fingers intact.