Guides · Scope 3: the value chain
Scope 3 category 8: upstream leased assets
When the buildings, vehicles and equipment you lease belong in Scope 1 and 2 and when they belong in category 8, and how to estimate them.
By LCALens. Published 8 Oct 2026, 1 min read.
Part of The 15 Scope 3 categories explained.
Category 8 "includes emissions from the operation of assets that are leased by the reporting company in the reporting year" and are not already in its Scope 1 and 2. It is part of the 15 Scope 3 categories.
Scope 1 and 2 or category 8?
The guidance says "Leased assets may be included in a company's scope 1 or scope 2 inventory depending on the type of lease" and "the consolidation approach the company uses to define its organizational boundaries".
In practice:
- If you use the operational control approach and you operate the leased office, warehouse or vehicle, its energy use is normally already in your Scope 1 and 2. Category 8 is then empty for that asset.
- Category 8 catches leased assets whose emissions you have not put in Scope 1 and 2, for example under a financial control or equity share approach, or where the landlord pays the energy bills and recharges you.
State which approach you use; the same lease can land in different places for two companies.
Methods
- Asset-specific: "collecting asset-specific (e.g., site-specific) fuel and energy use data", then applying the usual fuel and electricity factors.
- Lessor-specific: "collecting the scope 1 and scope 2 emissions from lessor(s) and allocating" them to the asset you lease.
- Average data: "estimating emissions for each leased asset, or groups of leased assets", for example from floor area and typical energy use per square metre.
Typical case: a serviced office
A company rents space in a building where the landlord buys the electricity and gas and includes them in the service charge. Ask the landlord for your share of kWh (by floor area or sub-meter). Calculate it with the electricity and fuel calculators and report it in category 8, or, if you treat the space as under your operational control, in Scopes 1 and 2. Do not report it in both.
Calculate it
Scope 2
Electricity (location-based) calculatorGrid electricity bought for your sites, using the UK grid average factor.
Scope 1
Fuel combustion calculatorNatural gas, diesel, LPG, fuel oil, coal and biofuels burned in your own boilers, generators and vehicles.
More on Scope 3: the value chain
- The 15 Scope 3 categories explained (overview)
- Freight emissions in Scope 3: tonne-km, categories 4 and 9
- Scope 3 category 1: purchased goods and services with spend-based factors
- Scope 3 category 2: capital goods
- Scope 3 category 3: well-to-tank and grid losses explained
- Scope 3 category 5: waste generated in operations
- Scope 3 category 6: business travel emissions and radiative forcing
- Scope 3 category 7: employee commuting and homeworking
- Scope 3 category 9: downstream transportation and distribution
- Scope 3 category 10: processing of sold products
- Scope 3 category 11: use of sold products
- Scope 3 category 12: end-of-life treatment of sold products
- Scope 3 category 13: downstream leased assets
- Scope 3 category 14: franchises
- Scope 3 category 15: investments
Sources
- Technical Guidance for Calculating Scope 3 Emissions, Chapter 8: Category 8, World Resources Institute / WBCSD (accessed 2026-10-08)
- Corporate Value Chain (Scope 3) Accounting and Reporting Standard, Table 5.4, World Resources Institute / WBCSD (2011) (accessed 2026-10-08)
This guide explains methods and published data. It is not legal or assurance advice. LCALens is designed to align with the GHG Protocol and ISO 14064-1 but is not certified or endorsed by either body.