Lightning protection (LPS) inspection

Lightning protection (LPS)

Inspections of lightning protection systems (LPS) on family houses, apartment buildings and commercial properties. We check air terminals, down conductors, earthing and surge protection.

Indicative price
Family housefrom 500 Kč / conductor (min. 3,000 Kč)
Apartment buildingfrom 500 Kč / conductor (min. 4,000 Kč)
Commercial propertiesby scope
Issuing the inspection report1 200 Kč
Prices exclude VAT. Travel within Prague 500 Kč, outside Prague 12 Kč/km. We confirm the exact price before the appointment.

What the inspection includes

Inspection of air terminals, down conductors and joints
Earth resistance measurement of every down conductor
Check of surge protection and bonding
Photo documentation and inspection report
Repair recommendations and execution
Lightning protection inspection – technician measuring earth resistance on a roof

How often is an inspection needed

LPS class I and II (e.g. explosive atmospheres)2 years
LPS class III and IV (ordinary houses and businesses)4 years
Older systems per ČSN 34 13905 years
After a lightning strike or roof worksextraordinary inspection

Intervals follow the ČSN EN 62305 series; for lightning protection installed before 2009, ČSN 34 1390 applies.

FAQ

Is a lightning protection inspection mandatory?
For companies and apartment buildings yes; for family houses insurers require it when settling a lightning or fire claim.
What if the system fails?
Most often it is corroded joints or high earthing resistance. We describe it in the report and offer a repair.
How long does the inspection take?
A family house about an hour, an apartment building 2–3 hours depending on the number of conductors.
Do you need roof access?
Yes, at least to the air-termination system. For taller buildings we arrange access in advance.
Do you also check surge protection?
Yes, checking the surge arresters in the switchboard is part of the inspection.
What if I have no previous report?
No problem. We carry out an initial inspection and set up the documentation for future checks.

Need an inspection? Get in touch – we send a quote within 24 hours.

Just tell us which property or how many appliances. We quote the price up front, with no hidden items.

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