STK Emission test on site Testing station

STK Žatec

operated by DEKRA CZ a.s. · station no. 3514 · Louny district

STK Žatec inspects all vehicles from motorcycles to trucks, buses and tractors and tests emissions for petrol, diesel, LPG and CNG. In 2025, 8,682 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
  • Trucks over 3.5 tcategory N2, N3
  • Buses and minibusescategory M2, M3
  • Trailers up to 3.5 tcategory O1, O2
  • Trailers and semi-trailers over 3.5 tcategory O3, O4
  • Tractorscategory T, C
  • Tractor trailerscategory R, OT1, OT2, OT3, OT4
  • Work machines and towed equipmentcategory S
  • Other vehiclescategory Z

Special services

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

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 8,682 inspections here, 80 % more than the average STK in the Louny district. That is 4 % fewer than in 2024.

Ministry of Transport data for 2024 and 2025

Inspections in 2025 compared with the average for the Louny district
Inspections by year
YearThis stationDistrict average
20258,6824,818
20249,008–
Last 12 months7,940–

Most common car makes

  1. Škoda
  2. Volkswagen
  3. Peugeot
14.8 years average age of inspected vehicles in 2025
When it is least busy It is busiest on Monday around 7:00. It is quietest on Thursday around 14:00.

Based on inspection times in 2025 · Ministry of Transport data

Frequently asked questions

Do I need to book an appointment at STK Žatec?

The quickest way to find out about booking and waiting times is to call 602 968 325. 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 14:00 and busiest on Monday around 7:00.

At the same address

Nearest stations

All stations in the Louny district

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