The cost of excavating and installing foundation drainage to stop damp and moisture problems in a basement or crawl space. In Västerås, prices sit below the national average — labour and material rates in Västmanland tend to keep them in check.
Typical cost in Västerås, 2026
147 000 kr–294 000 kr
National average: 150 000 kr–300 000 kr.
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Västerås has large 1960s-70s estates in Skiljebo, Hammarby and Önsta, built in a period of rapid standardisation — the same construction details recur in report after report. Many houses still have original windows or first-generation drainage, which shows up as remarks. Competition among local builders is healthy and site setup is simple on open plots. Prices sit just below the national average.
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