Plumber Estimate Template
Plumbing problems rarely show their full extent at first glance. A customer describing a slow drain or a cold radiator wants a number, but you cannot give a fixed price for work you have not seen inside. That is what an estimate is for: an approximate figure, based on what you know so far, with wording that protects you if the job turns out to be bigger once it is opened up. This template gives you that structure, so the customer gets a realistic idea of cost and you are not locked into a guess.
The estimate should still look like a proper document. Set out the likely work: any call-out or diagnostic visit, first fix and second fix labour if it is a refit, and the materials you expect to supply, whether that is copper or plastic pipe and fittings, a boiler, cylinder, radiators or sanitaryware. Allow lines for waste disposal of the old kit and for making good, because reboarding and skimming after pipework is exactly the sort of cost that surprises people. Where gas appliances might be involved, note that any commissioning and certification will be done by a Gas Safe registered engineer and priced once the appliance is confirmed.
Most importantly, state in writing that the figure is approximate, that it is subject to a site survey, and that it may change if hidden problems appear, such as corroded pipework behind walls or rotten joists under a bathroom floor. Once you have surveyed the job, follow up with a fixed quote. Download the estimate in Word or PDF, or build it online below.
What to include in a plumber estimate
- Your business details and Gas Safe registration number where gas work is possible
- Customer name, address and the site address if different
- Estimate number and date, and a note of how long the figure is intended to stand
- A clear statement that the price is approximate and subject to a site survey
- Estimated labour: diagnostic visit, first fix and second fix, day rate or likely total
- Estimated materials: pipe and fittings, boiler, cylinder, radiators or sanitaryware
- Waste removal and making good, including reboarding or skimming
- Wording that the price can change if hidden problems appear once work is opened up
- A note that a fixed quote will follow the survey, plus VAT if you are registered
Download the template
Or build it online, free
The quote generator produces the same professional document in your browser and saves as a PDF. Use it for estimates too: just title the document as an estimate and keep the approximate pricing wording.
Open the quote generatorPlumber estimate FAQs
What is the difference between a plumbing estimate and a quote?
An estimate is an approximate figure based on the information available, and it can change if the job turns out differently once work is opened up. A quote is a fixed price for defined work that you are held to if the customer accepts it. Use an estimate when you cannot yet see everything, and follow it with a quote after a proper look.
When should a plumber give an estimate instead of a quote?
When the true scope is hidden. Typical examples are recurring blockages that might be a collapsed drain, low pressure that could be a scaled cylinder or a mains problem, or a bathroom refit where the floor and pipework are unknown until the old suite comes out. Estimate first, survey, then quote.
What if I find hidden problems once the work is opened up?
Stop, tell the customer and put the extra cost in writing before doing the work. Corroded pipe behind a wall, rotten joists under a bath or a flue that fails inspection are all common finds. Your estimate wording should already say the figure is subject to what is found, so the conversation is expected rather than a shock.
Can I turn a plumbing estimate into a fixed quote later?
Yes, and it is good practice. Once you have surveyed the job, or opened it up and seen what is really involved, issue a quote with a fixed price, a validity period and acceptance wording. Reference the estimate number on it so the customer can see how the final figure was reached.