Average Mechanical engineers Salary in Cardiff / Caerdydd
ONS ASHE 2025 · Wales region · Updated October 2025
How Cardiff / Caerdydd compares
Worth noting that mechanical engineerss in the Wales earned £44,386 at the median in 2025. Across the UK as a whole, the figure was £50,594 — a difference of 12.3%. In practical terms, living costs in the Wales run 10.0% below average. That means £44,386 stretches to roughly £49,318 in real spending power. The all-jobs average in Cardiff / Caerdydd is £33,599. By comparison, mechanical engineerss earn 32.1% more than the typical worker locally.
Cost of Living Adjustment
After adjusting for the regional cost of living (Wales index: 90, UK=100), a salary of £44,386 has an effective purchasing power of approximately £49,318 — equivalent to earning that amount in an area with average UK costs. The cost of living in the Wales is 10.0% below the UK average.
Mechanical engineers salary across UK regions
Mechanical engineers salary in areas near Cardiff / Caerdydd
Salary data is by ONS region. Cardiff / Caerdydd is in the Wales region. Below are neighbouring regions — click to explore salaries there.
Mechanical engineers Salary Guide
The full salary guide includes regional breakdowns, cost-of-living adjustments, year-on-year trends, and in-depth FAQs.
Read the full Mechanical engineers salary guide →Find Mechanical engineers jobs in Cardiff / Caerdydd
Explore roles paying around £44,386/year
Frequently Asked Questions
What is the average mechanical engineers salary in Cardiff / Caerdydd?
The median mechanical engineers salary in the Wales (which includes Cardiff / Caerdydd) is £44,386 per year, based on ONS ASHE 2025 data. The mean salary is typically higher due to top earners pulling the average up.
How does mechanical engineers pay in Cardiff / Caerdydd compare to the UK average?
Mechanical engineers in the Wales earn 12.3% below the national median of £50,594. Other regions such as London and the South East typically offer higher salaries for this role.
Is mechanical engineers a well-paid job in Cardiff / Caerdydd compared to other roles?
The average salary across all jobs in Cardiff / Caerdydd is £33,599. Mechanical engineers in the Wales earn £44,386, which is 32.1% above the local average across all occupations.
About this data
Salary figures for mechanical engineerss cover the Wales region. The all-jobs average is specific to Cardiff / Caerdydd. Source: ONS ASHE 2025. Methodology.