Average Assembly Supervisor Salary in London, United Kingdom for 2026

In this article, we will look at the average Assembly Supervisor salary for 2026 in London and how that compares to other countries and professions. We'll also look at interesting salary data points like median salary, 25th and 75th percentile salaries, salary amounts based on experience, bonus ranges and more!

The data in this article has been compiled using official government salary data, salary surveys, and other sources such as job postings which contain salary information.

All salary information is in the local currency, which is the British pound. To keep things simple, we are using the GBP currency code instead of the currency symbol £.

How Much Does an Assembly Supervisor Make in London?

An Assembly Supervisor working in London will typically earn around 37,900 GBP per year, and this can range from the lowest average salary of about 19,300 GBP to the highest average salary of 61,600 GBP.

Average Annual Salary37,900 GBP
Average Monthly Salary3,158 GBP
Average Lowest Salary19,300 GBP
Lowest Monthly Salary1,608 GBP
Average Highest Salary61,600 GBP
Highest Monthly Salary5,133 GBP

These are average salaries for an Assembly Supervisor in London and include benefits such as housing and transport. It's also possible for an Assembly Supervisor to earn more or less than the average salaries shown above.

Assembly Supervisor salaries will vary a lot based on your experience, location, skills, and gender. Keep reading below to research more data on each of these areas.

Distribution of Assembly Supervisor Salaries in London

So we've looked at the average salaries an Assembly Supervisor will earn in London. The next interesting data point is the distribution of salaries.

Salary ranges

We already know that an Assembly Supervisor can earn between 19,300 GBP and 61,600 GBP on average in London. This is known as the range in statistics.

The difference between the maximum and minimum values is a good indicator of variability in salaries, and can be used by employers to figure out how much they can expect to pay, and for employees to know how much they can earn.

Median salary

The median salary for an Assembly Supervisor in London is 41,400 GBP. This is the middle value in the distribution of salaries.

What this means is that approximately 50% of the population earn less than 41,400 GBP, and 50% of the population earn more than 41,400 GBP.

If you are earning more than the median salary, that's a good indicator that you are being paid well.

If you're not earning more than the median salary, your objective should be to increase your earnings to be at least as high as the median salary (which you can do by asking for a pay rise, looking for a better paying job, etc).

Percentiles

Percentiles are similar to the median salary, but instead of looking at the middle value, they look at the values in the top and bottom half of the distribution.

For the average Assembly Supervisor salary in London, 25% of the population are earning less than 27,100 GBP while 75% of the population earn more than 27,100 GBP.

75% of the population earn less than 54,500 GBP, and 25% of the population earn more than 54,500 GBP.

Like the median salary, the 25th and 75th percentile salaries can be used to determine which quartile you fall into so that you know whether you are being paid well enough compared to others in your profession and location.

The difference between a median and an average salary

The median and average salary are both indicators you can use to see if you are being paid fairly based on the overall population.

  • If your salary is higher than the average and the median salary, you are earning well compared to others.
  • If your salary is lower than the average and the median salary, it could indicate you are not being paid well enough.
  • If you are somewhere in between then it's tricky to determine if you are being paid well enough and you might need to research more closely.

Assembly Supervisor Salary by Experience Level in London

The most important factor in determining your salary after the specific profession is the number of years experience you have. It stands to reason that more years of experience will result in a higher wage.

We have researched the average Assembly Supervisor salary based on years of experience to give you an idea of how the average changes once you've worked for a certain amount of time.

  • 0 - 2 Years Experience. An Assembly Supervisor in London that has less than two years of experience can expect to earn somewhere in the region of 22,000 GBP.
  • 2 - 5 Years Experience. With two to five years of experience the average Assembly Supervisor salary would increase to 26,500 GBP.
  • 5 - 10 Years Experience. From five to ten years of experience as an Assembly Supervisor, the average salary would be 38,000 GBP.
  • 10 - 15 Years Experience. Once you have more than ten years of experience the average salary reaches around 49,700 GBP.
  • 15 - 20 Years Experience. An Assembly Supervisor with 15 to 20 years of experience can earn an average of 54,300 GBP.
  • 20+ Years Experience. For an Assembly Supervisor with more than 20 years, the expected average salary increases to 56,400 GBP.

Average Salary by Experience Chart

0-2 Years-
22,000 GBP
2-5 Years+34%
26,500 GBP
5-10 Years+48%
38,000 GBP
10-15 Years+22%
49,700 GBP
15-20 Years+9%
54,300 GBP
20+ Years+8%
56,400 GBP

Assembly Supervisor Salary by Education Level in London

As well as experience in a job, your education plays a big role in how much you can earn. A lot of higher paying positions require a high level of education, but how much can a degree increase your salary?

In our research we have compared the salaries of employees in the same job and career level with different levels of education to see how much more you can earn at each education level.

The salary you can earn based on your education is very specific to both your location and the career path you choose.

In our research, we looked at the average salary for an Assembly Supervisor in London based on the education level of the employees in order to find out whether a better education level would increase your salary.

  • High School. An Assembly Supervisor in London with a high school education can earn an average salary of 23,800 GBP.
  • Certificate or Diploma. An Assembly Supervisor in London with a certificate or diploma education can earn an average salary of 35,600 GBP.
  • Bachelor's Degree. An Assembly Supervisor in London with a bachelor's degree education can earn an average salary of 61,300 GBP.

Average Salary by Education Chart

High School-
23,800 GBP
Certificate or Diploma+57%
35,600 GBP
Bachelor's Degree+68%
61,300 GBP

How Much is a Master's Degree or MBA Program?

The approximate cost of a master's degree or post-graduate program like an MBA in United Kingdom is around 29,600 to 88,700 GBP and takes two years to complete.

As you can see above, there are financial benefits from reaching master's degree level, but don't expect to see much of a salary increase until you have completed the degree.

It's common for people to pursue an MBA or other post-graduate program in order to switch to a a job that pays more. On average, you can expect to earn around 10% more when switching to a new company.

Whether you decide to pursue a master's degree depends on many factors. If you are able to afford it, the numbers suggest that the return on investment is worth it and you could recover the costs in a few years from the salary increase you would receive.

Assembly Supervisor Salary Compared by Gender

In the modern age, we know that there should never be a pay gap between men and women. Unfortunately, in many professions, there is still a significant difference between the salaries earned by men when compared to the salary of women in the same job.

In London, a male assembly supervisor will earn an average of 32,300 GBP, while a female assembly supervisor will earn around 30,200 GBP.

This means that a male assembly supervisor earns approximately 7% more than a female assembly supervisor for performing the same job.

Average Salary by Gender Chart in London

Male-
32,300 GBP
Female-7%
30,200 GBP

Assembly Supervisor Average Pay Raise in London

In many countries, an annual pay raise is often given to employees to reward their service with a salary increase.

From our research, we can see that the average pay raise for an Assembly Supervisor in London is around 9% every 17 months.

The national average pay raise across all professions and industries in United Kingdom is around 9% every 15 months.

In this case, we can see that the number of months between the average pay raise is higher than the typical 12 months.

To make the data more meaningful, we can calculate what the approximate annual pay raise would be using a simple formula:

Annual Increase = ( Increase Rate ÷ Months ) × 12

So for this example, it would be:

Annual Increase = ( 9 ÷ 17 ) × 12  = 6%

What this means is that an Assembly Supervisor in London can expect to receive an average pay raise of around 6% every 12 months.

Annual Pay Raise by Industry in London for 2026

In the chart below, you can see the average annual pay raise percentages for each of the major industries in United Kingdom.

You will see that companies in bigger and more lucrative industries tend to have the higher annual pay raises.

Banking-
3%
Energy-
6%
Information Technology-
9%
Healthcare-
3%
Travel-
6%
Construction-
9%
Education-
3%

Assembly Supervisor Bonus and Incentive Rates in London

Another part of your overall compensation in a job is how much bonus you receive. Some job roles will be more likely to pay a bonus than others and also more likely to have higher bonus rates.

Generally speaking, jobs that are more involved with direct revenue generation will receive higher bonuses based on the performance towards revenue goals.

An Assembly Supervisor is a low bonus based job, with 29% of employees reporting at least one bonus in the last 12 months.

71% reported that they had not received any bonuses in the previous 12 months.

For the employees that did receive a bonus in the previous 12 months, the reported bonuses ranged from 1% to 3%.

Received Bonus-
29%
No Bonus-
71%

What are the Types of Bonus?

There are a number of difference types of bonus you can receive in a job. Including:

  • Individual performance bonus - This is a bonus that is awarded to an individual employee for general performance in the job. It's the most common type of bonus.
  • Company performance bonus - This is a bonus that is awarded to a company employees to share profit with the staff.
  • Goal based bonus - This is a bonus that is awarded to an individual employee (or a team) for achieving specific goals, objectives, or milestones.
  • Holiday bonus - This type of bonus is usually paid around the holidays, often the end of the year, and is a token of appreciation for the hard work throughout the year.

Government vs Private Sector Salaries

Another commonly asked question is whether you get paid a higher salary working in the public (government) sector or the private sector.

Public sector employees in United Kingdom earn approximately 7% more than private sector employees in the same role.

Public Sector-
72,700 GBP
Private Sector-7%
68,200 GBP

Salaries for Jobs Similar to an Assembly Supervisor

In the table below, we have salary information for jobs that are similar to an Assembly Supervisor in London.

Job TitleCategorySalary
Air Conditioning TechnicianFacilities / Maintenance / Repair22,000 GBP
Assistant Contract ManagerFacilities / Maintenance / Repair79,000 GBP
Building Control OfficerFacilities / Maintenance / Repair45,600 GBP
Building EngineerFacilities / Maintenance / Repair60,700 GBP
Building Services EngineerFacilities / Maintenance / Repair63,500 GBP
Building SurveyorFacilities / Maintenance / Repair38,900 GBP
Building and Grounds SupervisorFacilities / Maintenance / Repair48,000 GBP
Calibration TechnicianFacilities / Maintenance / Repair25,400 GBP
CarpenterFacilities / Maintenance / Repair28,800 GBP
Cemetery ManagerFacilities / Maintenance / Repair27,300 GBP
Chief Building OfficialFacilities / Maintenance / Repair100,700 GBP
Clinical Facilities Planning ManagerFacilities / Maintenance / Repair99,900 GBP
Construction LaborerFacilities / Maintenance / Repair19,400 GBP
Contracts AdministratorFacilities / Maintenance / Repair53,600 GBP
Contracts ManagerFacilities / Maintenance / Repair81,700 GBP
Facilities CoordinatorFacilities / Maintenance / Repair47,200 GBP
Facilities DirectorFacilities / Maintenance / Repair107,700 GBP
Facilities EngineerFacilities / Maintenance / Repair60,700 GBP
Facilities Maintenance ManagerFacilities / Maintenance / Repair96,600 GBP
Facilities Maintenance SupervisorFacilities / Maintenance / Repair63,500 GBP
Facilities ManagerFacilities / Maintenance / Repair89,900 GBP
Field Service ManagerFacilities / Maintenance / Repair88,600 GBP
Field Service TechnicianFacilities / Maintenance / Repair17,900 GBP
Fire Alarm System InstallerFacilities / Maintenance / Repair30,200 GBP
GlazierFacilities / Maintenance / Repair17,800 GBP
HVAC MechanicFacilities / Maintenance / Repair20,400 GBP
HVAC TechnicianFacilities / Maintenance / Repair22,600 GBP
LaborerFacilities / Maintenance / Repair19,100 GBP
Maintenance FitterFacilities / Maintenance / Repair19,300 GBP
Maintenance MechanicFacilities / Maintenance / Repair19,100 GBP
Maintenance OfficerFacilities / Maintenance / Repair19,100 GBP
Maintenance PlannerFacilities / Maintenance / Repair29,200 GBP
Maintenance SupervisorFacilities / Maintenance / Repair34,400 GBP
Maintenance WorkerFacilities / Maintenance / Repair20,000 GBP
MechanicFacilities / Maintenance / Repair18,200 GBP
Plant EngineerFacilities / Maintenance / Repair60,400 GBP
Property Administration OfficerFacilities / Maintenance / Repair38,700 GBP
Service EngineerFacilities / Maintenance / Repair59,200 GBP
Service Operations ManagerFacilities / Maintenance / Repair92,000 GBP
TechnicianFacilities / Maintenance / Repair19,400 GBP
Tool TechnicianFacilities / Maintenance / Repair20,000 GBP

Salary Comparison by City

If you want to compare salaries with different cities in United Kingdom, you can use the links below to explore the data for each specific city we have researched.

CityAverage Salary
Aberdeen31,950 GBP
Abingdon29,000 GBP
Armagh30,800 GBP
Bangor28,350 GBP
Belfast32,300 GBP
Birmingham37,500 GBP
Bradford34,750 GBP
Brighton33,900 GBP
Bristol35,250 GBP
Cambridge30,900 GBP
Canterbury28,950 GBP
Cardiff34,250 GBP
Chester30,950 GBP
Coventry36,350 GBP
Derby31,850 GBP
Derry32,400 GBP
Dundee33,200 GBP
Durham28,800 GBP
Edinburgh33,650 GBP
Exeter30,700 GBP
Glasgow35,750 GBP
Gloucester30,150 GBP
Hartlepool31,100 GBP
Inverness29,400 GBP
Kingston upon Hull32,950 GBP
Kirkwall27,100 GBP
Leeds38,200 GBP
Leicester35,400 GBP
Lincoln32,650 GBP
Lisburn28,650 GBP
Liverpool34,050 GBP
Manchester37,350 GBP
Newcastle34,450 GBP
Newport32,150 GBP
Newry30,750 GBP
Norwich31,550 GBP
Nottingham32,250 GBP
Oxford31,250 GBP
Peterborough32,200 GBP
Plymouth34,450 GBP
Poole33,300 GBP
Portsmouth32,100 GBP
Ripon28,700 GBP
Salisbury29,200 GBP
Sheffield37,200 GBP
Somerset35,350 GBP
Southampton34,200 GBP
St Davids27,350 GBP
Stirling32,700 GBP
Stromness28,150 GBP
Strontian27,450 GBP
Swansea34,250 GBP
Truro29,050 GBP
Wakefield28,650 GBP
Wells27,800 GBP
Winchester30,200 GBP
Wolverhampton32,600 GBP
York32,300 GBP

Salary Comparison by State

The table below includes links to the average salary for each state in United Kingdom.

StateAverage Salary
England59,250 GBP
Northern Ireland28,850 GBP
Scotland44,300 GBP
Wales29,000 GBP

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