By Megan O’Connor, with technical information from Steyn van Zyl, Steve Brown and Barry Chapman
Paperwork before the first tool is picked up is often seen as an unnecessary or time-wasting exercise. But paperwork is not merely an administrative requirement – it is a critical step that protects the client, safeguards the contractor, and ensures that the contract work is completed in a structured, transparent and professional manner.
A contract is a written and signed agreement between the client and plumber, confirming the quote and
terms and conditions.
It is easy to dismiss paperwork as admin, and either rush through it or ignore it completely. But the importance of paperwork cannot be stressed enough. In this article, we look at the three most important documents that all plumbers should have before they start the work:
- Quotes and Scope of Works
- Terms and Conditions
- Contracts.
Quotation and scope of works
All plumbing quotations should be clear, detailed and easy for the client to understand. A proper quotation protects both the plumber and the client by confirming exactly what is included, what is excluded, who supplies which materials and what the client is agreeing to before work starts.
A plumbing quotation should include the following:
- Business details
Company name, contact details, address, VAT number if applicable, and registration details if required.
- Client details
Client name, contact number, email address, and site address where the work will be carried out.
- Date and quotation number
Each quotation should have a date and unique reference number for record keeping.
- Detailed scope of work
A clear description of the plumbing work to be completed. The scope of work needs to be clear and leave no room for ambiguity so that you are not doing work you didn’t quote the client for. It is important to include here the address of where the works will be carried out.
- Materials supplied by the plumber
Clearly list all materials included in the quotation and supplied by the plumber, such as pipes, fittings, valves, geysers, drip trays, waste pipes, traps, isolating valves or other plumbing materials.
• For bigger projects, it is best to group the items together, such as by stating “…including all pipes, fittings, etc.”
• For smaller, maintenance work, an itemised list of materials to be used should be listed.
- Materials supplied by the client
Clearly list all items the client must supply, such as special finishes selected by the client.
- Items excluded
Clearly state what is not included, such as tiling, electrical work, painting, building work, ceilings, cupboards, waterproofing, rubble removal or repairs to finishes unless specifically quoted.
- Labour and transport costs
State whether labour is included in the quote price or not, as well as transport costs.
- Additional work clause
Also known as variation orders, this includes any extra work not included in the original quotation. Any additional work must be quoted separately and approved in writing before work starts – having an agreed rate of labour, material and mark-up with the client before any work begins will make variation orders a much smoother process.
- Payment terms
Deposit required, progress payments, final payment terms and due dates. Clients can have a different interpretation of what ‘finished’ looks like, so it is important to clarify what practical completion will look like. It is also worth noting who the material belongs to (either the plumber or the client) until final payment is made.
- Validity period
State how long the quotation is valid for. Generally, 14-day or 30-day validity for a quote is used, depending on the workload. It is important to mention that the quote is subject to price increases during this time.
- Acceptance section
Provide space for the client to sign and accept the quotation before work begins. NOTE: The person accepting the work could be a different person to who is paying for the work, so it is important to have space for two signatures – the account payer and the acceptor.
Terms and conditions
Terms and conditions are one of the most important parts of any plumbing quotation or contract. They protect both the plumber and the client by clearly explaining the rules, responsibilities, limitations and expectations before work begins.
A detailed quotation explains the work and price, but the terms and conditions explain how the work will be managed. Terms and conditions should include:
• Payment terms.
• Deposit requirements.
• Progress payments.
• When final payment is due – practical completion.
• What work is included and excluded.
• Who supplies which materials – plumber versus client. It is important to add that client-supplied materials must be correct, complete, undamaged and available on site when required. State that if incorrect or missing materials cause delays or return visits, additional charges may apply.
• How additional work will be handled – this is done in quote, by having an agreed rate with the client before you start work.
• Site access.
• Services – state whether you will be using their electricity, water and bathroom facilities, etc.
• Working hours.
• Delays – such as weather, services, insurance claims etc.
• Cancellation fees.
• Warranties.
• Guarantees.
• Client responsibilities. NOTE: It is important to clarify that a client is responsible for handling the warranty of a product if it fails.
• State that the plumber cannot be held responsible for hidden defects, old pipework, poor previous workmanship or damage discovered once walls, floors, cupboards or ceilings are opened as these are concealed services.
• Variation orders – It is vital to state that any extra work outside the original quotation should be quoted separately and approved in writing before it starts, including additional travel costs.
• How disputes will be handled, such as by arbitration and mediation, and name the person or body you will use for this if possible.
• How contra charges will be handled.
• State that if client-supplied materials are incorrect, damaged, incomplete, or not on site when required, additional labour, delays, or return visits may be charged separately – this should also be referenced in the quote.
• Your handling fee (this is based on many materials that may have already been purchased) should the client decide to cancel.
• Signature space for both the acceptor and the account payer.
Terms and conditions are not just legal wording – they protect the business, manage client expectations, and ensure that plumbing work is completed in a fair and organised manner.
A contract is a written and signed agreement between the client and plumber, confirming the quote and terms and conditions.
Presenting paperwork before the job starts leaves a lasting
impression of professionalism for the client. ressfoto | Magnific.com
Contracts
Once a quotation has been accepted, a formal contract should be issued before any work begins. An accepted quote confirms the price and scope of work, but a signed contract provides a stronger written agreement between the plumber and the client. The contract should include:
- Contractor details
Business name, contact details, address, registration number, VAT number if applicable, and licence or professional registration details if required.
- Duration of the contract
This should take into account any delays that could occur such as variation orders and weather (which can be calculated based on the average rainfall at the time of the contract).
- Client details
Full name, contact number, email address, billing address, and site address where the work will be done.
- Contract date and reference number
The date of the agreement and a unique contract or quotation number.
- Scope of work
A detailed description of the plumbing work to be completed.
- Work exclusions
A clear list of work not included, such as tiling, electrical work, painting, building work, ceiling repairs, cupboards, kitchen tops, waterproofing, or rubble removal.
- Materials supplied by the plumber
A list of materials, fittings, pipes, valves, geysers, waste pipes, traps, and other items included in the price.
- Materials supplied by the client
A list of items the client must supply, such as taps, mixers, sanitaryware, basins, sinks, toilets, tiles, cupboards, vanities or special finishes.
- Responsibility for client-supplied materials
The contract should state that client-supplied items must be correct, complete, undamaged, and available on site when required.
- Contract price
The total agreed price, including labour and materials, and whether VAT is included or excluded.
- Payment terms
Deposit amount, progress payments, final payment, due dates and banking details.
- Additional work clause
Any work outside the original agreement must be clearly marked as additional work, quoted separately, and signed/approved by the client before the plumber starts.
- Variations and changes
How changes to the original work will be recorded, priced and approved. This section should include your handling fee (based on the cost of materials) should the client decide to cancel.
- Start date and expected completion date
The planned start date, estimated completion date, and conditions that may affect the timeline.
- Delays
Terms covering delays caused by weather, supplier shortages, late payments, missing materials, client decisions, other contractors, or hidden defects.
- Site access
The client’s responsibility to provide safe and reasonable access to the property.
- Working hours
Normal working hours and whether after-hours work will be charged separately. NOTE: Certain institutions, such as body corporates or hospitals, may have strict working hours (such as from 08:00 to 14:00), which must be taken into consideration when calculating working hours.
- Hidden defects and unforeseen work
A clause stating that the plumber is not responsible for hidden defects, old pipework, poor previous workmanship, or problems discovered once walls, floors, ceilings or cupboards are opened.
- Compliance and standards
Confirmation that plumbing work will be carried out according to applicable plumbing standards, regulations and accepted trade practice.
- Permits and inspections
Who is responsible for arranging and paying for permits, inspections, certificates or approvals where required.
- Warranty or guarantee
Details of the workmanship warranty, material warranty and what is excluded from the warranty. This should include any products’ manufacturer warranties, as well as their contact details.
- Damage and risk
Terms explaining responsibility for existing damage, fragile finishes, concealed services and reasonable risks during plumbing work. It is important to have insurance in place for these events, and to stipulate that in the event of damages, you will need to follow the due process of your insurer, which may influence working hours.
- Safety requirements
Site safety rules, access restrictions and responsibilities of both parties. Safety files may be required for certain projects.
- Rubble removal and cleaning
Whether rubble removal, carting away old materials and final cleaning are included or excluded.
“Professional paperwork shows that you are proud and passionate about what you do, and that you care about dotting your ‘i’s and crossing your ‘t’s; showing the client that you care about the small things too” – Barry Chapman.
- Cancellation terms
What happens if the client cancels after accepting the contract, including possible charges for materials ordered or work already done. It is important to clarify in this section that all charges will be based on proven costs.
- Dispute resolution
How disputes will be handled, including written communication, meetings, mediation or legal steps if necessary, as well as the details of who you would use in such an event.
- Acceptance and signatures
Space for the acceptor, account payer and plumber to sign and date the contract, confirming acceptance of all terms and conditions.
A contract protects both parties by clearly recording the agreed work, costs, payment terms, responsibilities, exclusions, additional work procedures and conditions of service. It confirms that the client has approved the work and that the plumber is authorised to proceed, in the form of a written agreement.
Advantages of a contract
• Contracts create a strong impression of professionalism to the client – no tech speak, professional communication, no ambiguity in their mind, responsibility of each party. Draws away from price, focuses on professionalism.
• Contracts show the client that they are dealing with an organised, reliable and serious plumber.
• A signed contract gives both the client and plumber peace of mind, as all of the important details have been confirmed in writing.
• Contracts provide a clear understanding between the client and the plumber before the work begins.
• Contracts reduce uncertainty and help prevent misunderstandings later in the project.
How this paperwork protects you in disputes
Disputes can happen, and in the construction and plumbing industry, they often do. A client who was happy and confident at the start of a project may become frustrated once pressure, delays, changes and increased budgets start to affect the process.
This is where the contract comes in. By staying professional and referring back to the contract, the plumber protects both the business and the client relationship. Clear documentation and communication during the project (to be covered in Part 2 of this feature series) helps avoid blame, reduces misunderstandings and allows the work to continue in a fair and organised manner.
