Your next job. Your own branded paperwork. Try Essential free for seven days. No card required. Up to two engineers.

Start your free trial ↗How the trial works

ESSENTIAL SOFTWARE PRICING

One paperwork package. Your company included.

Certificates, quotes, invoices and supported calculator reports for UK gas and heating engineers. Try the package for seven days with no card, then choose monthly or annual billing. Up to two engineers included.

Create your free account

Try Essential free for seven days. No card required. Up to two engineers. Start after email confirmation and company setup. After the trial, choose a plan to continue issuing documents. Trial terms.

INTRODUCTORY BASE PRICES

£24.99 / month

Up to 2 engineers. All four current record modules, quotes, invoices and supported calculator reports.

£269.89 / 12 months

Paid upfront. £269.89 upfront for 12 months — 10% less than 12 monthly payments. The base package includes up to two engineers; each additional engineer is £9.99/month or £107.89 upfront per year.

Introductory base prices until 31 December 2026. Subscribe before 1 January and keep your introductory base price for as long as your subscription stays active. From 1 January 2027, new base packages cost £31.24/month or £337.36 upfront for 12 months — a 25% increase, rounded to the nearest penny. Additional engineers remain £9.99/month or £107.89/year each.

Read the subscription terms. Your checkout shows the amount payable and any applicable tax information.

Separate launch offer: ESSENTIAL30. 30% off the first qualifying monthly or annual subscription payment for new customers, once per customer, until 31 December 2026. Later payments use the applicable subscription rate. Read the offer conditions.

Create your free account ↗

What your subscription includes

All 22 active gas and heating record types across natural gas, LPG, unvented hot water and renewable heating. Company-branded certificate PDFs, numbered quotes and invoices, and supported calculator PDF/report downloads.

Up to two engineers are included in the base package. Additional engineer capacity is available. The subscription belongs to your company; public calculators remain free to use without an account.

What you can do free

Use the gas rate calculator without an account. Use on-screen IGEM/UP/1B and installation-volume calculations free. Create an account to save supported certificate, quote and invoice drafts and supported IGEM calculator results.

The gas rate calculator has a temporary recent-results list in the current page. It does not save results to your account or generate a PDF. Fictional public sample downloads are free; they are not editable blank forms or issued customer documents.

Try the full paperwork package for seven days

Try the Essential package free for seven days, with no card details and up to two engineers. Confirm your email, save your real company details and start the trial from Your account. After seven days, a subscription is required for new numbered documents, PDFs and sending. Your saved work is preserved. One trial per company; changing email does not create a new entitlement.

Set up your free trial See monthly and annual prices Watch the actual Essential workflow

Before you choose

Is there a free trial?

Essential offers a free account with supported saving features, not an advertised time-limited free trial of paid issuance or downloads. An eligible company can also start a seven-day package trial without a card. The trial must be started explicitly after email confirmation and company setup.

Does the January price change affect existing subscribers?

Base subscriptions started before 1 January 2027 retain their introductory base price while the subscription stays active. New subscriptions from that date use the standard base prices shown here. See the terms for subscription details. An eligible company can also start a seven-day package trial without a card. The trial must be started explicitly after email confirmation and company setup.

Does an invoice PDF collect payment for me?

No. The invoice can display your payment terms and saved bank details, or record cash already received. It does not automatically charge your customer.