Invoice templates for irrigation specialists covering drip systems, pop-up lawn irrigation, commercial systems, and annual maintenance contracts.
An irrigation specialist invoice covers the design, supply, installation, and maintenance of automatic and manual watering systems for gardens, commercial grounds, sports turf, and agriculture. UK irrigation specialists design systems using drip lines, pop-up sprinklers, misting systems, and soaker hoses connected to automatic controllers and rain sensors. Irrigation projects typically involve a design phase, material supply (controllers, pipework, fittings, heads), installation labour, and commissioning. Ongoing maintenance (winterisation, spring activation, system checks) generates recurring revenue. Water regulations compliance is important — all irrigation systems connected to the mains water supply must comply with the Water Industry Act and Water Fittings Regulations, and a Fluid Category 5 backflow prevention device (RPZ valve) may be required.
| Service | Typical Rate | Unit |
|---|---|---|
| Irrigation system design (per zone plan) | 200 | design |
| Garden irrigation installation (per zone) | 450 | zone |
| Smart controller supply and commissioning | 350 | unit |
| Pop-up sprinkler head (supply and install, each) | 45 | head |
| Drip irrigation per metre (supply and install) | 8 | metre |
| Annual maintenance (winterisation + spring start) | 150 | year |
| RPZ valve supply, installation and certification | 550 | valve |
Irrigation specialists should take a deposit (30–50%) at the point of ordering materials, as much of the kit is project-specific. Issue the balance invoice on commissioning day once the system is tested and the client is shown how to operate it. For annual maintenance contracts (winterisation in October, spring activation in April), invoice annually in advance or issue two separate invoices at the start of each service visit. Include a water regulations compliance note on the invoice confirming backflow prevention is installed correctly. Some water companies require notification for mains-connected irrigation systems above a certain flow rate.