Timeline & pricing
What it typically costs.
A straightforward install — meter adjacent to the parking spot, less than three metres of cable run — is £799 including the unit. Most Watford homes land between £895 and £1,150 once cable routing, internal walls and a tidy cable tray are added. Load-balanced solar installs (Zappi with a CT clamp on the incoming tails) are £995–£1,250.




