Whole Life Costing is a procurement approach that helps organisations understand the true cost of an asset over its entire lifecycle, rather than focusing solely on the initial purchase price. While an asset may appear to offer the best value upfront, ongoing expenses such as maintenance, servicing, insurance, training, and downtime can significantly increase the overall cost of ownership.
For procurement professionals, understanding Whole Life Costing is essential when sourcing capital expenditure (CAPEX) items. By considering all costs associated with an asset throughout its useful life, organisations can make more informed purchasing decisions and achieve better long-term value.
In this article, we explore what Whole Life Costing is, how it differs from simply comparing purchase prices, and why it should form part of every strategic procurement decision.
Why Is Whole Life Costing Important?
Many procurement decisions are made using price as the primary evaluation criterion. While price is important, it rarely tells the whole story.
For example, one machine may cost £10,000 less than an alternative. On the surface, it appears to be the better deal. However, if that machine requires more maintenance, consumes more energy, requires specialist training, or experiences more downtime, the total cost to the organisation may be significantly higher.
Whole Life Costing helps procurement professionals:
- Make informed purchasing decisions
- Compare suppliers more effectively
- Reduce unexpected costs
- Improve value for money
- Support strategic procurement objectives
- Consider long-term organisational needs
Whole Life Costing vs Purchase Price
One of the biggest mistakes organisations make is focusing only on the visible costs of procurement.
A useful way to think about this is the iceberg model. The purchase price sits above the surface and is immediately visible. However, many of the costs that have the greatest financial impact remain hidden beneath the surface. These hidden costs can often account for the majority of the asset’s total lifetime cost.
As a result, the supplier offering the lowest price is not always the supplier offering the best value.
Diagram 1: Capital Expenditure (CAPEX) and Operational Expenditure (OPEX).
What Costs Should Be Included in a Whole Life Costing Analysis?
A comprehensive Whole Life Costing assessment should consider both acquisition costs and ongoing costs.
Acquisition Costs
These are the costs incurred before the asset is operational and may include:
- Purchase price
- Specification development
- Market research
- Supplier evaluation
- Due diligence activities
- Logistics and transportation
- Installation costs
These costs are often the primary focus during supplier selection, despite representing only a portion of the overall expenditure.
Ongoing Costs
Many organisations fail to evaluate the costs that arise after purchase. Common examples include:
- Energy and usage costs
- Maintenance costs
- Servicing costs
- Insurance costs
- Downtime costs
- Training costs
- Repair costs
- Replacement parts
Depending on the industry and asset type, additional costs may also need to be considered.
Examples of Whole Life Costing in Procurement
Example 1: Energy Consumption
A manufacturing business is choosing between two machines.
Machine A costs £40,000.
Machine B costs £45,000.
While Machine A is cheaper to purchase, it consumes significantly more electricity. Over a five-year period, the additional energy costs exceed the £5,000 saving achieved through the lower purchase price.
Using a Whole Life Costing approach reveals that Machine B offers better long-term value.
Example 2: Maintenance and Servicing
Two suppliers offer similar equipment.
Supplier A offers the lowest purchase price.
Supplier B includes a comprehensive maintenance package and faster servicing response times.
When maintenance costs and downtime are factored into the evaluation, Supplier B may prove to be the more cost-effective option despite the higher upfront investment.
Diagram 2: (Building Controls Group, n.d.)
Challenges of Whole Life Costing
While Whole Life Costing can deliver significant benefits, it is not always straightforward.
Challenges may include:
- Collecting accurate cost data
- Predicting future expenses
- Gaining stakeholder support
- Conducting cross-functional analysis
- Balancing short-term budgets with long-term value
Procurement professionals may encounter resistance from stakeholders who prioritise speed of purchase over detailed evaluation. However, the savings generated through a robust Whole Life Costing assessment can often justify the additional effort.
FAQs
What is the difference between Whole Life Costing and Total Cost of Ownership?
The terms are often used interchangeably. Both refer to assessing all costs associated with an asset throughout its lifecycle rather than focusing solely on purchase price.
Is Whole Life Costing only used for CAPEX purchases?
Whole Life Costing is most commonly associated with CAPEX procurement because these assets typically incur significant ongoing costs. However, the principles can also be applied to other procurement decisions where lifecycle costs are important.
Why is Whole Life Costing important in procurement?
It helps organisations identify the option that provides the best long-term value rather than simply the lowest upfront cost.
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