
Electricity (kWh):
You can find this on your energy bill. If you’re unsure, a typical small office might use around 2,000–4,000 kWh per year
Heating (kWh):
If your heating is electric, it’s usually included in your electricity bill. For gas or oil, check your fuel usage or estimate based on the building size. A small office might use around 5,000–10,000 kWh/year.
Waste (kg):
A full black bin bag of general waste weighs roughly 7–10 kg. If your office fills 2 bags per week, that’s about 1,000 kg/year.
- Office equipment / furniture and electronics (£): These sections use industry-standard spend-based emission factors, so just type in your annual spend (£) on office equipment / furniture and electronics.