Guides
Guides from our technicians
What we explain on the phone every day, written down once. The right first steps, what to avoid, and when you don't need us at all.
- Price quoted = price paid
- Itemised invoice for your insurer
- Emergency: on site within 2 hours, anywhere in Luxembourg

Before you call
Many problems can be fixed without a technician: unscrewing a trap, resetting a breaker, closing a valve. Our customers often mention it in their reviews: when we can, we would rather talk you through it on the phone.
When a visit is needed, these guides help you describe the problem. You get a more accurate price, faster.
Emergency right now? Skip the reading: call 621 140 705 or message us on WhatsApp.
Burglary: what to do in the first 24 hours
Call the Grand Ducal Police, document, secure, notify your insurer: the full checklist after a burglary in Luxembourg.
Read the guideHow to unblock a drain: 6 things to try before calling a plumber
Blocked drain? Hot water, bicarbonate of soda and vinegar, a plunger, cleaning the trap, a drain snake: how to unblock a drain yourself and when to call.
Read the guideHow to change a lock cylinder yourself, step by step
Change a euro cylinder yourself: measure sizes A and B, remove the fixing screw, slide the old cylinder out with the key, fit the new one and test it.
Read the guideToilet keeps running: how to find the fault and fix it yourself
Toilet keeps running, cistern slow to refill or flush button not working: adjust the float, replace the flush valve seal, descale – and when to call a plumber.
Read the guideHow to choose a security cylinder
EN 1303, VdS, A2P, key cards, anti-snap: how to choose the right lock cylinder for your door, explained by a locksmith.
Read the guideHow to unblock a sink: 6 things to try before calling a plumber
Blocked kitchen or bathroom sink? Plunger, cleaning the trap, bicarbonate of soda and vinegar, drain snake: how to unblock it yourself and when to call a plumber.
Read the guideEmergency repair scams: 7 warning signs
No price, no company, needless replacement: simple checks to avoid locksmith and plumber scams in Luxembourg.
Read the guideWater leak: the first steps, in the right order
Turn off the water, make the electrics safe, limit the damage, tell your neighbour and insurer: the checklist for a water leak at home in Luxembourg.
Read the guideDoor slammed shut: 5 steps before calling a locksmith
Keys inside? What you can safely try, what to avoid, and when to call a locksmith in Luxembourg.
Read the guideLocksmith prices in Luxembourg in 2026: what drives the price
Door type, time of day, parts, travel: what drives a locksmith's price in Luxembourg, and the warning signs to watch for.
Read the guideBroken window: who pays?
Glass breakage: what your policy usually covers, who pays between tenant and landlord, and how to make a claim in Luxembourg.
Read the guideRoller shutter stuck: what to check before calling
Breaker, limit settings, strap, frost: simple checks for a stuck roller shutter, and when to call a technician.
Read the guideHow to unblock a toilet: 6 things to try before calling a plumber
Blocked toilet? Washing-up liquid, bicarbonate of soda and vinegar, a plunger, a toilet auger: how to unblock a toilet yourself and when to call a plumber.
Read the guide