Expensive kit on your card
A boiler install means thousands in parts up front. Take a deposit when the quote is accepted so you're never out of pocket.
Invoicing for gas and heating engineers
Invoicing for gas & heating engineers — from boiler service to full install
Quote the combi swap, take a deposit, invoice the balance on completion and get paid by card on the doorstep. Anything unpaid gets chased automatically.
No card needed · Monthly plans, cancel any time · From £14.99 a month after your trial
WHWarm Homes Heating
| Description | Qty | Unit price | Amount |
|---|---|---|---|
| Supply & fit combi boiler (inc. flue, filter & controls) | 1 | £2,450.00 | £2,450.00 |
| Boiler, magnetic filter & smart thermostat | 1 | £1,380.00 | £1,380.00 |
| Building Regs notification | 1 | £0.00 | £0.00 |
Amount due£3,830.00
Pay by card, Apple Pay, Google Pay or Pay by Bank — or bank transfer. Reminders sent automatically until it's paid.
Built for how gas and heating engineers actually work
Annual services nobody pays for
Service invoices are small, so they're easy to forget. PaySorted reminds customers for you — every one gets paid.
Landlord CP12s
Invoice the landlord or agent, attach the gas safety record, and let reminders do the chasing.
Automatic chasing
Never chase a customer again
Every gas engineer on PaySorted gets three ready-written reminders — Friendly, Professional and Firm — filled in with the customer's name, the invoice number, the amount and a payment link. They go out on schedule by email or text, and stop the moment the customer pays.
- Before it's due, on the day, then 7, 14 and 28 days late
- Sent from your business name — replies come straight to you
- Customers can tap "I've paid by bank transfer" to pause reminders
- Edit the wording and timings, or leave it to us
Finance-free deposits
Set a 25% or 50% deposit on install quotes. The customer accepts online and pays the deposit by card or Pay by Bank there and then.
Plus: quotes customers accept online, deposits, photos and certificates on each job, card and Pay by Bank payments, CIS and VAT on invoices, and Xero, QuickBooks, FreeAgent & Sage.
Deposits, text reminders, the customer page, the letter before action and accounting software connections are on the Pro plan and above. Everything else is on every plan.
Professional invoices, done right
Your logo and colours — or a clean name heading if you don't have a logo — with everything a UK invoice must show, whether you're a sole trader or a limited company, VAT registered or not. What must be on an invoice?
Questions from gas and heating engineers
Can customers pay on the doorstep?
Yes. Show them the invoice on your phone or text it — they tap "Pay now" and pay by card, Apple Pay, Google Pay or Pay by Bank. The money goes straight to your bank account.
Can I add my Gas Safe number?
Yes, add it to your invoice footer once and it's on every quote and invoice.
Can I attach the gas safety record?
Yes. Add the PDF or photo to the job and share it with the customer — it appears on their invoice page.
Free tools & guides
How to chase an unpaid invoice
Step by step, from a friendly reminder to the small claims court.
Read the guide →Free invoice template
Fill it in, save it as a PDF — with the right details for your business.
Make an invoice →Late payment interest calculator
See what you can claim when a business customer pays late.
Work it out →Get paid faster as a gas engineer. Try it free.
Try PaySorted free for 30 days. No card needed — set up in two minutes.
Start free trial See the demoPaySorted also works for: plumbers · electricians · builders · roofers · painters & decorators · carpenters & joiners · landscapers & gardeners · plasterers · tilers · cleaners · handymen.