STK Emission test on site Testing station

STK Praha – Karlovarská

operated by NH  group  s.r.o. · station no. 3122

STK Praha – Karlovarská inspects passenger cars, vans and trucks up to 3.5 t, motorcycles, trikes and quads and trailers up to 3.5 t and tests emissions for petrol, diesel, LPG and CNG. In 2025, 15,633 inspections took place here.

Station details: Czech Ministry of Transport · page updated 28 Oct 2026

What they inspect here

  • Passenger carscategory M1
  • Vans and trucks up to 3.5 tcategory N1
  • Motorcycles, trikes and quadscategory L
  • Trailers up to 3.5 tcategory O1, O2

Special services

  • Testing station – imported and converted vehicles before first registration in Czechia

Not inspected here

trucks over 3.5 t, buses and minibuses, trailers and semi-trailers over 3.5 t and tractors. Find another STK in the Hlavní město Praha district

Types of inspection

  • Periodic inspection
  • Re-inspection (after defects)
  • Registration check (transfer, change of details)
  • Inspection before registration (import)
  • Inspection before type approval (conversions)
  • Historic vehicle inspection
  • Inspection at the customer's request

Based on inspections in 2025.

Emission test

They test emissions right here, during the same visit as the inspection.

  • Petrol
  • Diesel
  • LPG
  • CNG
  • No LNG test here

Inspection statistics

In 2025 there were 15,633 inspections here, 20 % more than the average STK in Prague.

Ministry of Transport data for 2024 and 2025

Inspections in 2025 compared with the average for Prague
Inspections by year
YearThis stationPrague average
202515,63312,999
202415,964–
Last 12 months13,498–

Most common car makes

  1. Škoda
  2. Hyundai
  3. Volkswagen
9.4 years average age of inspected vehicles in 2025
When it is least busy It is busiest on Monday around 10:00. It is quietest on Thursday around 16:00.

Based on inspection times in 2025 · Ministry of Transport data

Frequently asked questions

Do I need to book an appointment at STK Praha – Karlovarská?

The quickest way to find out about booking and waiting times is to call 725 392 611. Online booking through naSTK is not available yet.

Can I get an emission test here too?

Yes, for petrol, diesel, LPG and CNG. Cars running on LNG cannot get an emission test here.

Can they inspect an imported car here?

Yes. It is a testing station, so it also inspects imported and converted vehicles.

When is it least busy here?

Based on inspections in 2025, it is quietest on Thursday around 16:00 and busiest on Monday around 10:00.

Nearest stations

All STK stations in Praha

Is this your station?

Add your opening hours and prices. We are also preparing online booking for stations.

Add station details

Found a mistake?

Tell us what is wrong. We will correct it and check with the station.

Report a mistake