21 Works
Builds energy-efficient passive houses for private homeowners in the Espoo area of Finland, from design to completion
Highlights
- New on EvolcAdded 2026-11-03
About 21 Works
21 Works Oy is a construction company based in Espoo, Finland, specialising in energy-efficient and durable passive houses.
The company designs and builds passive houses for private clients, with projects tailored to the needs of the household. Its process runs in two stages: planning, followed by construction and handover of a finished home.
Founded in 2018 (registered 13 August 2018), 21 Works is headquartered in Espoo.
Product: Design and construction of passive houses for private homeowners.
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Website technologies
Tools and platforms detected on this company’s website, grouped by purpose. Dates record when Evolc observed them.
Backend
- PHPHigh confidence
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- Response headerx-powered-by
Content management
- WordPressHigh confidence
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- Website resourcedeclared script/iframe or software asset
Hosting
- nginxHigh confidence
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- Response headerserver
Website detection does not establish a paid subscription or company-wide use. Tools loaded after consent or sign-in may be missed. “No longer observed” does not prove the company stopped using a tool.