Chimney & fireplace
Fireplace Cleaning Cost Calculator
Prices a fireplace clean, which covers the parts a flue sweep does not.
Result
A planning estimate, not a quote. Access, the age of the equipment, what is found once it is opened up and local labour rates all move the real figure, sometimes a long way.
Get a Free Business AuditHow the calculation works
Hours times crew times rate, plus materials and the call-out. Cleaning the fireplace itself rather than the flue means the firebox, the smoke shelf and smoke chamber, the damper and the surround. The smoke chamber is the part that matters most and is most often skipped, because it is above the damper and awkward to reach, and creosote accumulating there is both a fire risk and a restriction on draught. On a gas appliance, cleaning means the burner, the pilot assembly, the glass and the logs.
What moves the number
- Whether the smoke chamber is included, which takes real effort.
- Appliance type, since gas and wood cleaning are different work.
- Glass condition on a gas appliance, which needs the correct cleaner.
- How long since the last clean, which affects deposit hardness.
Where this one goes wrong
The smoke shelf and smoke chamber above the damper collect debris and creosote and are the area most often left out of a cheap clean, which matters because deposits there restrict draught and are a fire risk. Ask what is included. On gas appliances, the glass needs the manufacturer's recommended cleaner rather than an ordinary glass cleaner, because ammonia-based products can etch or cloud the ceramic glass permanently. Logs and embers also have specified positions in a gas appliance, and reassembling them wrongly produces sooting and poor flame appearance, which is a service complaint rather than a fault.
Before you quote
- Include the smoke shelf and smoke chamber, and say so.
- Use the manufacturer's glass cleaner on gas appliance glass.
- Replace gas logs and media in their specified positions.
Where the rules come from
Questions
About this calculator
What is the smoke chamber and why does it matter?
The area above the damper where the firebox narrows into the flue. It collects creosote and debris, restricts draught when fouled and is a fire risk. It is awkward to reach, which is why it is the part most often left out of a cheap clean, so it is worth asking whether it is included.
Can I clean gas fireplace glass with ordinary glass cleaner?
Better not to. Ammonia-based cleaners can etch or permanently cloud the ceramic glass used in gas appliances. The manufacturer specifies a suitable cleaner, and using the wrong one leaves damage that cannot be polished out.
Does it matter how gas logs are arranged?
Yes. Logs and embers have specified positions in a listed gas appliance, and reassembling them incorrectly disturbs the flame pattern, causes sooting and can affect how the appliance burns. A service visit that leaves the logs rearranged by eye often produces a complaint afterwards.
The formula
total = hours x people x rate + parts + call-out, then sales tax
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How to use this calculator
- Hours on site (h). Enter your own figure; the page starts at 2 h.
- People needed. Enter your own figure; the page starts at 1.
- Labour rate charged ($). Enter your own figure; the page starts at $125.
- Parts and materials ($). Enter your own figure; the page starts at $65.
- Call-out or diagnostic fee ($). Enter your own figure; the page starts at $95.
- Sales tax (%). Leave at zero if you are quoting before tax.
The result updates as you type, so you can try a figure, see what it does to estimated total, and change it back. Nothing you enter is sent anywhere or saved.
A worked example
These are the figures the calculator opens with. Every number in the results column below is produced by the same calculation the page runs, so you can follow it through before putting your own figures in.
What goes in
| Input | Value |
|---|---|
| Hours on site | 2 h |
| People needed | 1 |
| Labour rate charged | $125 |
| Parts and materials | $65 |
| Call-out or diagnostic fee | $95 |
| Sales tax | 0% |
What comes out
| Result | Value |
|---|---|
| Estimated total main result | $410 |
| Labour | $250 |
| Before tax | $410 |
| Sales tax | $0 |
About $410: $250 of labour, $65 of parts and a $95 call-out.
How sensitive the answer is
Holding everything else steady and changing only labour rate charged, this is what happens to estimated total. It is worth knowing which of your inputs the answer actually hinges on, and which barely move it.
| Labour rate charged ($) | Estimated total |
|---|---|
| $63 | $286 |
| $94 | $348 |
| $125 example above | $410 |
| $188 | $536 |
| $250 | $660 |
Every other input is held at the example value while this one changes, which is not how a real job behaves. Treat it as a guide to which number matters most, not as five separate quotes.
What each figure means
- Hours on site (h)
- Measured in h, between 0 and 400, starting at 2 h.
- People needed
- A number, between 0 and 40, starting at 1.
- Labour rate charged ($)
- A money amount, starting at $125.
- Parts and materials ($)
- A money amount, starting at $65.
- Call-out or diagnostic fee ($)
- A money amount, starting at $95.
- Sales tax (%)
- Leave at zero if you are quoting before tax.
What the results tell you
| Result | What it is |
|---|---|
| Estimated total | The headline result. A money figure. |
| Labour | A money figure. |
| Before tax | A money figure. |
| Sales tax | A money figure. |
Estimating is the easy part
The jobs you never hear about cost more than the ones you mis-measure. BDEVY builds the marketing, systems and automation that bring them in.