Can I have all my locks on the same key?
What keyed-alike means, which locks in a house can realistically be brought onto one key, what it costs in security, and the sensible middle ground most households end up at.
beginner15 min3 min read
Home & DIY
Practical answers for repairs, cleaning, decorating and the household problems that turn up whether you planned for them or not. Written so you can start with what you already own.
2,154 guides
Can I lay wood or laminate over underfloor heating?
Which floor coverings work over UFH, the thermal resistance figure that decides it, and the commissioning sequence that stops a new floor being wrecked in its first week.
intermediate30 min5 min readCan I paint over silicone sealant?
Why paint beads up and peels off silicone, the paintable hybrids that exist, and how to deal with a joint that has already been siliconed.
beginner25 min3 min readCan I repair a cracked shower tray?
Which cracks are repairable and which are the visible symptom of a support failure, the fibreglass-and-filler repair that genuinely holds, and when replacement is the only honest answer.
intermediate1 hr 30 min4 min readCan I replace a socket with a USB socket?
Where a USB socket is a legitimate owner-level swap, the depth and heat problems that decide whether it will work, and why the charging spec matters more than the socket.
intermediate30 min4 min readCan I tile over existing tiles?
When overtiling is a legitimate shortcut and when it is storing up a failure — weight, thickness, the state of what is underneath, and what it does to doors and levels.
intermediate30 min5 min readCan you put a hot pan on a quartz worktop?
Why engineered stone behaves differently from granite under heat, what actually happens to it, and which worktop materials genuinely tolerate a pan straight off the hob.
beginner6 min3 min readDo I have to use decking screws, or will ordinary screws do?
What a decking screw is actually designed to do that a general screw is not, and the two features that genuinely matter outdoors.
beginner10 min2 min readDo I need a breather membrane, and where does it go?
What breathable means in a membrane, where it belongs in a wall or roof, and how it differs from the felt it replaced.
intermediate15 min3 min readDo I need ear defenders, and how loud is too loud?
How to judge whether a tool is loud enough to matter without a meter, the difference between plugs and muffs, what the SNR figure means, and why duration matters as much as loudness.
beginner15 min5 min readHow deep a cut can I take with a router in one pass?
Why routing is a stepped operation, how to judge a pass by sound rather than by a rule of thumb, and why the last pass should be the lightest.
beginner12 min4 min readHow do I adjust sliding wardrobe doors so the gaps are even?
The two adjusters on a sliding door carriage, which one to turn for a tapered gap, and the order that stops you chasing your tail.
beginner45 min3 min readHow do I apply Danish oil or tung oil properly?
Thin coats wiped on and wiped back, why the excess must come off, and how many coats a hard-wearing surface really needs.
beginner1 hr4 min readHow do I box in pipes, and can I box in a boiler?
Building a framework that stays put, allowing for pipe movement and access, and the ventilation and servicing rules that decide what may be enclosed at all.
intermediate3 hr5 min readHow do I build a log store?
The airflow, roof and ground clearance that actually season firewood, and why an enclosed store keeps logs wet rather than dry.
beginner5 hr4 min readHow do I build formwork for a concrete pour?
Setting boards to the finished level, staking and bracing so they cannot move, proving the box is square, and the compaction step that decides whether the edges come out solid or honeycombed.
intermediate1 hr 30 min5 min readHow do I change an oven bulb?
An oven lamp is a specific high-temperature part with a glass cover that is usually the hard bit — how to get it out without breaking anything, and which bulb to buy.
beginner15 min4 min readHow do I change the maximum temperature on my shower?
What the red override button and the splined collar actually do, how to reset the stop on a thermostatic valve, and the temperature you should be setting it to.
intermediate25 min4 min readHow do I check a frame or a room is square?
Measuring the diagonals, the 3-4-5 method for corners with no opposite side, and how to pull a frame back into square before the glue sets.
beginner12 min3 min readHow do I chop a hinge recess accurately with a chisel?
Knife lines, a depth gauge, the series of chopping cuts and the paring that gets a hinge sitting flush first time.
intermediate35 min4 min readHow do I clean and store garden furniture?
How to clean and protect wooden, metal, rattan and plastic garden furniture, and what winter storage each type needs.
beginner1 hr 30 min2 min readHow do I clean blinds?
Cleaning venetian, roller, vertical and fabric blinds without damaging the slats or the mechanism.
beginner45 min2 min readHow do I clean the outside of a kettle and other steel appliances?
Removing fingerprints, water marks and grease from stainless steel without leaving streaks or scratches.
beginner15 min2 min readHow do I clean up silicone smears and haze?
Wet silicone wipes off with the right solvent and water does nothing at all — and once it has cured, the answer is mechanical rather than chemical.
beginner25 min4 min read
Going deeper: MaterialWorld
Material properties, comparisons and suitability — paints, fillers, sealants, timber, tile, insulation.
MaterialWorld is in development — GuideHQ covers the practical answers in the meantime.