Húsasmiðjan: From store floors to supply chains, the full picture.
How Iceland’s largest building materials chain built the data infrastructure to account for its entire operational footprint, and the supply chain behind it.
14 stores. Three brands. One data foundation.
Húsasmiðjan is the oldest and largest hardware and home improvement chain in Iceland, founded in 1956. Operating 14 hardware stores nationwide, seven Blómaval garden centres, and four Ískraft trade outlets, the company is a primary supplier to both the construction industry and Icelandic households. Húsasmiðjan is part of the Danish Bygma Group, one of the leading building materials chains in the Nordic region.
The company has been working with Klappir since 2019, using the Klappir Platform as the accounting system for all ESG data across its combined operations.
A footprint that reaches far beyond the shop floor
The construction and building materials sector accounts for around 40% of global greenhouse gas emissions. As Iceland’s largest supplier of building materials, Húsasmiðjan carries a significant share of responsibility for the data behind that footprint, not just its own operations, but the products moving through its supply chain and into every building project across the country.
Managing that picture across 14 stores, multiple brands, and a complex network of suppliers required something more than manual reporting. The company needed a system that could pull data automatically from service providers, consolidate it in one place, and give managers the visibility to act on it, not just sustainability specialists working at year-end.
One platform. Every location. An expanding view of the supply chain.
Húsasmiðjan uses the Klappir Platform as the accounting backbone for all ESG data across its operations, Húsasmiðjan, Blómaval, and Ískraft combined. Data flows automatically from service providers directly into the platform, covering energy, fuel, heating, water, and waste across all locations. Emissions calculations follow the GHG Protocol across Scope 1, 2, and an expanding set of Scope 3 categories, with the platform’s methodology independently certified.
Store managers have direct access to their own performance data within the system, enabling benchmarking across the network and putting resource decisions closer to where the work happens.
In 2024, Húsasmiðjan extended its accounting to capture upstream transport and the embedded emissions in purchased construction materials, including raw wood, engineered wood products, gypsum, and rebar steel, as well as shipping emissions from international freight partners, including Samskip and Eimskip. What was once invisible is now measured and reported.
Year on year, the platform has enabled Húsasmiðjan to extend its accounting reach further into the supply chain. Each new data category added is not a sign of a growing footprint; it is a sign of a maturing data operation.
Measurable results
Progress across every dimension of the operation
Emissions
Reduction in Scope 1+2 emissions (2022–2024)
Waste
Reduction in waste to landfill in a single year
Energy
Renewable energy share in 2024
Supply Chain & Certification
Total measured footprint including Scope 3
First Icelandic building materials chain to hold both FSC and PEFC timber certification, ensuring full traceability from forest to customer.
“The social and environmental policy is one of Húsasmiðjan’s core policies. We take good care of our people, the environment and the future, which all go hand in hand with operating profits. We are constantly looking for ways to save energy, reduce waste and work in the greatest possible harmony with the company’s environment. Húsasmiðjan has, for several years, collaborated with Klappir on measuring the energy consumption of operations and waste disposal at establishments. The Klappir Platform collects real-time data directly from our service providers and calculates the operation’s carbon footprint. And on a happy note, Húsasmiðjan has improved in most of these aspects since measurements began.”
A data operation that keeps expanding its reach
Húsasmiðjan has set a target of reducing total carbon emissions by 40% by 2030, with sorted waste reaching 90% by 2025. Scope 3 accounting continues to expand, airfreight and Ískraft are both flagged for inclusion in the next reporting cycle, further extending the platform’s reach into the supply chain.
For a company whose products go into virtually every construction project in Iceland, the question is no longer whether to measure the full footprint; it is how quickly the data can be made complete enough to act on. The Klappir Platform is the infrastructure that enables that.
Common questions
What teams most often ask about this story.
In 2024, Húsasmiðjan extended its Scope 3 accounting to capture upstream transport and embedded emissions in purchased construction materials, including raw wood, engineered wood products, gypsum, and rebar steel, as well as shipping emissions from Samskip and Eimskip. This brought the total measured footprint to over 57,000 tCO₂e.
Have a different question?
Talk to our team about your organisation’s data infrastructure.
Talk to our teamReady to see what your resource data can do?
See how resource data infrastructure fits your organisation in a 30-minute walkthrough. We’ll look at your current data landscape and show you how a continuous foundation replaces the annual rebuild.
No commitment. No sales deck. Just a conversation about your data.