Electrician tool
Power Usage Calculator
Estimate appliance electricity use and running cost. This tool gives a practical planning estimate, not a substitute for safe electrical testing or a fixed quote.

Before You Use This Tool
Power Usage Calculator helps London property owners plan estimate appliance electricity use and running cost. Use it to prepare questions, photos and access details before booking; final safety decisions still depend on qualified electrical testing at the property.


How to use this tool
| Step | What to enter or prepare | Why it matters |
|---|---|---|
| Describe the Power Usage Calculator issue | Note the room, circuit, appliance and time the problem started. | Helps the electrician prepare the right tester and parts. |
| Photograph the Power Usage Calculator area | Share the consumer unit, fitting or damaged accessory if safe to do so. | Improves triage but does not replace testing. |
| Stop using affected Power Usage Calculator fittings | Avoid warm sockets, buzzing switches, wet lights or damaged cables. | Reduces risk before the visit. |
| Confirm access for Power Usage Calculator | Mention parking, tenants, concierge, stairs or trading hours. | Prevents delays and improves quote accuracy. |
What affects the result
| Factor | How it changes the estimate | Before you book |
|---|---|---|
| Urgency | Changes the price for Power Usage Calculator because the electrician must plan labour, safety and documentation. | Tell Gab Electrician about this before booking. |
| Testing Time | Changes the price for Power Usage Calculator because the electrician must plan labour, safety and documentation. | Tell Gab Electrician about this before booking. |
| Property Access | Changes the price for Power Usage Calculator because the electrician must plan labour, safety and documentation. | Tell Gab Electrician about this before booking. |
| Materials | Changes the price for Power Usage Calculator because the electrician must plan labour, safety and documentation. | Tell Gab Electrician about this before booking. |
Related services and areas
Electrical Installation Rewiring Lighting Installation Socket Installation Switch Installation
FAQs
Is the power usage calculator a fixed quote?
No. The power usage calculator is a planning aid. A final quote depends on testing, access, materials and safety requirements.
Should I still call an electrician?
Yes. If the power usage calculator relates to heat, burning smell, repeated tripping, exposed damage, water near electrics or uncertainty, call an electrician.
