Plumbers install, maintain, and repair the pipes, fittings, and equipment used to carry water throughout a property and to remove wastewater safely. Their work can range from repairing a leaking tap to fitting complete plumbing systems in a new home or commercial building.
The role varies according to a plumber’s training, experience and specialisms. Some plumbers mainly complete household repairs, while others work on construction sites, commercial properties, heating systems or low-carbon technologies.
In this guide, we explain what plumbers do, the jobs they commonly carry out, where they work, the skills and qualifications they need and when you may need to call one.
On This Page
- What is a plumber?
- What does a plumber do?
- What jobs do plumbers carry out?
- Where do plumbers work?
- What does a typical day involve?
- What skills does a plumber need?
- How do you become a plumber?
- How much do plumbers earn?
- Can plumbers work on boilers?
- What is the difference between a plumber and a heating engineer?
- When should you call a plumber?
What Is a Plumber?
A plumber is a skilled tradesperson who installs, tests, maintains and repairs water systems, pipework, plumbing fixtures and related equipment. Plumbers can work in homes, businesses, public buildings, industrial premises and new developments.
Although plumbers are often associated with leaks and blocked pipes, the role is much broader. They need to understand how cold and hot water, heating, and waste systems operate, as well as how pipes, valves, fixtures, and appliances work together.
The National Careers Service plumber profile defines plumbers as tradespeople who install and repair water and heating systems in residential and commercial properties. The work an individual plumber can competently and legally undertake depends on their training, experience and qualifications.
What Does a Plumber Do?
A plumber ensures that water and plumbing systems are installed correctly and continue to operate safely. This may involve planned installation work, routine maintenance, fault-finding or urgent repairs.
Before starting a job, a plumber will usually inspect the affected system and ask questions about the problem. They may need to isolate the water supply, trace the source of a fault, remove damaged components and prepare replacement materials.
Once the work has been completed, the plumber should test the system, check for leaks and confirm that the repaired or newly installed equipment is working correctly.
Installing Pipes and Plumbing Fixtures
Plumbers install pipes that carry cold water, hot water, and wastewater through a building. Pipework must be accurately measured, cut, joined and supported to help maintain reliable water flow and prevent leaks.
Depending on the project, a plumber may install or connect:
- Taps and sinks
- Toilets and cisterns
- Baths and showers
- Washing machines and dishwashers
- Radiators and valves
- Outside taps
- Water storage tanks
- Hot water cylinders
- Stopcocks and isolation valves
- Internal waste pipes
On new developments and larger renovation projects, plumbers may work from plans showing where pipes, outlets and fixtures need to be positioned.
Finding and Repairing Leaks
Leaks are among the most common problems plumbers investigate. Some are immediately visible, such as water dripping from a tap or pipe joint. Others may be hidden beneath flooring, behind walls or inside cupboards.
A plumber will inspect the affected area and look for signs such as damp, water staining, corrosion or a loss of pressure. The repair may involve replacing a washer, seal, valve, fitting or damaged section of pipe.
Finding the true source matters because water can travel through pipes, joists, and other building materials before becoming visible elsewhere on the property.
Repairing Taps, Toilets and Valves
Taps, toilets and valves contain moving parts that can loosen, wear or fail with age. Plumbers are regularly called to deal with dripping taps, toilets that continually run, cisterns that will not refill and valves that no longer shut off the water properly.
Some faults can be resolved by replacing one component. Where a fixture is heavily worn, damaged or unsuitable for continued use, the plumber may recommend replacing the complete unit.
Diagnosing Water Pressure Problems
Low or inconsistent water pressure can affect taps, showers and water-fed appliances. Possible causes include a partially closed valve, a leak, restricted pipework or an issue with the wider mains supply.
A plumber will usually determine whether the problem affects a single outlet, a part of the property, or the entire building. This helps determine whether the fault is inside the plumbing system or needs to be reported to the local water supplier.
Working on Hot Water Systems
Plumbers may install and maintain the water-side components of domestic hot water systems. This can include pipework, valves, storage tanks and cylinders.
Some hot water systems require additional qualifications. Unvented cylinders, for example, operate under mains pressure and contain important safety controls that must be installed and maintained correctly.
We install and maintain both vented and unvented hot water cylinders in Faversham, helping customers choose a system suited to their property and hot water requirements.
Testing Completed Plumbing Work
Testing is an important part of a plumber’s job. After completing an installation or repair, the plumber may gradually restore the water supply and check joints, valves, and fittings for leaks.
They should also confirm that water flows correctly, waste drains as expected, and any newly installed fixtures operate properly. The customer can then be informed of the work completed and whether further maintenance is recommended.
What Jobs Do Plumbers Carry Out?
The jobs completed by plumbers vary between domestic, commercial and construction settings. Some plumbers focus on planned installations, while others specialise in maintenance, repairs or emergency call-outs.
Common plumbing jobs include:
- Repairing leaking or burst pipes
- Replacing taps, washers and valves
- Repairing toilets and cisterns
- Installing new water pipework
- Connecting sinks and household appliances
- Investigating low water pressure
- Repairing radiator valves and heating pipes
- Maintaining hot water systems
- Replacing damaged plumbing fixtures
- Clearing suitable internal waste-pipe blockages
- Locating hidden water leaks
- Responding to urgent water problems
- Testing newly installed systems
- Preparing pipework for building projects
Not every plumber offers every service. Their scope of work may depend on the company they work for, their experience, the equipment available and any specialist qualifications they hold.
Where Do Plumbers Work?
Plumbing is required wherever water is supplied, used or removed. This gives qualified plumbers access to a wide range of working environments.
Homes and Residential Properties
Domestic plumbers work in houses, flats, rental properties and residential developments. Their work commonly includes leaking pipes, damaged fixtures, toilet problems, hot water faults and radiator pipework.
Working in an occupied home requires care and clear communication. Plumbers may need to protect the flooring, explain when the water will be turned off and keep disruption to a reasonable minimum.
Commercial Premises
Commercial plumbers may work in offices, shops, restaurants, hotels and leisure facilities. These properties can have larger plumbing systems because they serve more people and may be used for longer periods each day.
Commercial plumbing work may need to be planned around opening hours or completed in stages so the business can continue operating safely.
Public and Industrial Buildings
Schools, hospitals, care homes, factories and other large sites rely on dependable plumbing and heating systems. Plumbers working in these settings may be responsible for planned maintenance, fault diagnosis and larger pipework installations.
Some sites require additional safety training, permits or familiarity with specialist equipment.
Construction Sites
On construction projects, plumbers install pipework and systems before walls, floors and ceilings are completed. They need to interpret plans, follow agreed specifications and coordinate with builders, electricians and other trades.
What Does a Typical Day Look Like for a Plumber?
A plumber’s working day can include several short repair appointments or one longer installation project. The schedule may also change when an urgent leak or breakdown requires attention.
A typical day could involve:
- Reviewing scheduled jobs
- Loading tools and materials
- Travelling between properties
- Speaking with homeowners or site managers
- Inspecting reported faults
- Measuring and preparing pipework
- Installing or replacing components
- Testing completed work
- Explaining repairs to customers
- Preparing estimates and job records
- Coordinating with other trades
- Responding to urgent call-outs
Plumbing can be physically demanding. A plumber may need to work beneath sinks, inside airing cupboards, under floors or in other confined areas. Larger jobs can involve lifting equipment and extended periods of standing, kneeling, or reaching.
The role also includes administrative work. Plumbers may need to order parts, update customers, prepare quotations and record the work they have completed.
What Skills Does a Plumber Need?
Plumbing requires practical ability, technical knowledge and strong problem-solving skills. It also involves regular contact with customers, property managers and other tradespeople.
Problem-Solving Skills
The visible symptom of a plumbing problem may be some distance from the original fault. A damp ceiling, for example, could be caused by pipework, a fitting, a cylinder or a fixture located elsewhere.
Plumbers need to assess the available evidence, rule out possible causes and decide on a suitable repair.
Practical and Technical Ability
Plumbers use hand tools, power tools and testing equipment to install and repair systems. They need to understand how different pipes, fittings, valves and fixtures should be prepared and connected.
Their work must be accurate. An incorrectly fitted connection can cause a leak, affect water pressure or damage the surrounding property.
Attention to Detail
Small errors in measurement or installation can create significant problems. Pipework needs to be aligned and supported, joints must be secure, and fixtures should be positioned correctly.
Attention to detail also helps plumbers identify corrosion, worn parts, poor previous repairs and components that may be close to failing.
Communication and Customer Service
Plumbers need to ask customers clear questions and explain technical problems in understandable language. They may need to describe several repair options, discuss costs or explain why further work is necessary.
Good communication is particularly valuable when a property’s water needs to be turned off or when a repair is likely to cause disruption.
Physical Ability
The work can involve lifting, carrying and using tools in awkward positions. Manual dexterity and coordination are important when working with small parts, restricted spaces and detailed fittings.
Maths and Planning
Plumbers regularly measure pipe runs, calculate quantities and estimate the materials required for a job. Those working on construction projects may also need to read drawings and follow detailed specifications.
How Do You Become a Plumber?
There are several ways to begin a plumbing career in the UK. Common routes include a college course, an apprenticeship, an assistant role with workplace training or progression from a related trade.
An apprenticeship combines structured learning with practical employment. This allows trainees to develop their skills under supervision while working towards an industry-recognised standard.
Completing a course does not automatically make someone competent in every area of plumbing. Experience, practical assessment and further training may be required, particularly when a plumber intends to work with gas, oil, pressurised hot water or renewable heating systems.
Can Plumbers Work on Boilers and Gas Appliances?
A plumbing qualification alone does not allow someone to install, service or repair a gas appliance.
Anyone carrying out gas work in the UK must be on the Gas Safe Register and qualified for the particular category of work involved. Gas engineers can hold different work categories, so homeowners should check the engineer’s ID card rather than assume every registered engineer can work on every appliance.
The Gas Safe Register’s ID card guidance explains that the back of a physical card, or the details shown on a digital card, identifies the appliances and categories of work an engineer is qualified to handle.
A plumber who is not Gas Safe registered may be able to complete certain water-side tasks, such as fitting water pipes or radiators. However, the Health and Safety Executive’s gas safety guidance states that work on a gas boiler and the final connection of water pipework to it must be completed by a suitably registered engineer.
We are qualified to work on relevant natural gas, LPG and oil systems, alongside the plumbing and heating services we provide. Learn more about our boiler services in Faversham.
What Is the Difference Between a Plumber and a Heating Engineer?
A plumber primarily works with water systems, pipework, fixtures and wastewater. A heating engineer focuses on the equipment and controls used to heat a property and provide hot water.
There can be considerable overlap between the two roles. A heating engineer may also have plumbing qualifications, while a plumber may complete further training in gas, oil, central heating or renewable technologies.
The key difference is the individual’s competence and registration. Someone carrying out gas work must hold the correct Gas Safe registration, regardless of whether they describe themselves as a plumber, heating engineer or gas engineer.
Our guide to what a heating engineer does explains the distinction and the work heating engineers commonly carry out.
When Should You Call a Plumber?
You should consider calling a plumber when a fault keeps returning, cannot be safely resolved through simple checks or could cause water damage.
Common reasons to arrange professional help include:
- A leaking or burst pipe
- Water stains on walls or ceilings
- A tap that will not stop dripping
- A toilet that will not flush or refill
- Unusually low water pressure
- No water from one or more outlets
- Water collecting around a tank or cylinder
- A leaking radiator valve
- Repeated internal blockages
- Unexplained damp near pipework
- Noises coming from water pipes
- A stopcock or isolation valve that does not work
Persistent leaks should be investigated even when the amount of water appears small. Moisture can damage flooring, plaster and surrounding materials over time.
For a serious leak, turn off the water at the internal stopcock if it is safe to do so. Problems involving a gas boiler or gas appliance should be referred to an appropriately qualified Gas Safe registered engineer.
Plumbing Services in Faversham
We provide plumbing and heating support for homeowners and landlords across Faversham and the surrounding areas. Our team can assist with minor plumbing repairs, drips, leaks, damaged pipework, hot water systems and related heating work.
We are primarily heating engineers and carry out minor plumbing work alongside our wider heating services. We do not undertake complete bathroom refits or underground drainage work. Our engineers hold qualifications relevant to natural gas, LPG and oil systems, including Gas Safe and OFTEC registrations.
For help with a plumbing problem, visit our plumbers in Faversham page or book an appointment online.



