What you can safely and legally do yourself, what has to stay with a registered trade, and what it costs.
The UK’s most-searched DIY question — fix it yourself, or know what a plumber costs.
Light fittings, sockets and EV chargers — what’s legal to DIY and what needs a pro.
Not a DIY job by law — typical costs and how to find a Gas Safe engineer.
Not form-fillable — a straight guide to costs and how to get it quoted properly.
Every cost calculator has a full DIY guide with tools, materials, steps and common mistakes.