A poorly structured plumbing quote has three consequences: the client negotiates the whole thing because they don't understand what they're paying for; missing legal mentions make the quote unenforceable in a dispute; and incorrectly applied VAT comes back on you at the next inspection.
Good news: there's a template that solves all three at once. Here's the structure that experienced plumbers use in 2026, with a complete worked example and the average prices to know.
The structure of a proper plumbing quote
A plumbing quote breaks down into 5 non-negotiable blocks. Skipping any of them increases your legal risk and lowers your signing rate.
1. Header: contacts and job identification
Your full details (registered name, business number, address, public liability insurance, VAT number), the client's details, the exact site address (often different from the client's), the quote date and validity period (90 days by default). Without your business and insurance numbers visible, the quote isn't enforceable.
2. Itemised work, line by line
Each task on its own line: clear label, quantity (unit, lm, lump), unit price, line total. No "plumbing" lump sum: that's how clients negotiate the whole thing in one go. Break it down: strip-out, parts, install, hookup, commissioning, disposal of old equipment.
3. Materials separated from labour
The client wants to know what they're paying for parts (water heater, mixer, fittings) and what for labour. This separation has another benefit: if the client supplies the parts themselves, you don't redo the whole quote — you just remove the "materials" lines.
4. VAT + simplified attestation
In France, dwellings older than 2 years qualify for reduced 10% VAT (5.5% on energy-saving equipment). In the UK, residential refurbishment generally falls under standard 20% VAT, with 5% reductions only on specific cases (listed buildings, energy-saving works). Attach the simplified VAT attestation if applicable — without it, tax authorities can reclassify to standard VAT at your expense.
5. Mandatory legal mentions
Deposit on signature and balance on completion (amounts or percentages), payment terms, quote validity period, withdrawal rights for residential clients (14 days in EU for cold-call quotes), and "Quote received before work starts" + client signature (handwritten or electronic).
Plumber quote template: full worked example
Real-world example for a water heater replacement + kitchen mixer install in a 5-year-old flat. All lines itemised the way they always should be.
| Item | Quantity | Unit price | Total |
|---|---|---|---|
| Strip out old water heater (drain + disconnect) | 1 lump | €85 | €85 |
| Heat-pump water heater 200 L | 1 | €780 | €780 |
| Install water heater (water + electrical hookup) | 1 lump | €320 | €320 |
| Single-lever kitchen mixer with pull-out spout | 1 | €110 | €110 |
| Install mixer + flexible hoses | 1 lump | €95 | €95 |
| Disposal of old equipment | 1 lump | €40 | €40 |
Subtotal: €1,430. VAT 10% (renovation, FR): €143. Total inc. VAT: €1,573. The heat-pump tank alone could qualify for 5.5% energy VAT — to be checked case by case.
Average 2026 plumbing prices
Ranges below are valid for typical European/UK markets in 2026. Slightly higher in Greater Paris/London, slightly lower in rural areas. Includes labour but not materials unless stated.
| Task | Average price | Notes |
|---|---|---|
| Call-out / diagnosis | €50 – 90 | Often free if booked |
| Mixer replacement (install only) | €80 – 130 | Depending on access |
| Standard electric water heater install | €250 – 380 | Excluding parts |
| Heat-pump water heater install | €350 – 550 | More complex |
| Leak detection | €120 – 250 | Depending on method |
| WC or sink unblocking | €90 – 180 | Standard hours |
| Shower tray install | €300 – 500 | Excluding tiling |
| New water point (copper, lm) | €60 – 110 / lm | Depending on routing |
| Thermostatic radiator valve install | €60 – 100 | Per unit |
5 mistakes that lose plumbing jobs
- Quote sent after 48 hours: the client already picked the competitor.
- "Plumbing" lump sum without breakdown: the client negotiates the whole thing.
- Wrong VAT rate on an eligible job: your price looks more expensive.
- No priced variants (standard / premium range): the client can't compare and delays the decision.
- Missing legal mentions (business number, insurance, validity): the quote isn't legally enforceable.
Going faster than a static PDF
A Word or PDF template you fill in by hand is better than nothing — but it's still 25-40 minutes per quote when you factor in the typing, VAT calculation, sending, and chasing the signature. Plumber-focused software produces the same itemised quote in 60-90 seconds, with VAT and attestation auto-attached, and signature in two taps from WhatsApp.