Foundation drainage

Drainage and insulation in Gothenburg, Malmo & Helsingborg

We are drainage specialists in Gothenburg, Malmo and Helsingborg. Since 2009 we have completed more than 1,200 drainage projects, helping property owners feel safe before, during and after the work.

Gothenburg - 031-762 61 88

Malmo - 040-960 900

Email - info@lornemark.se

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1,200+ drainage projects since 2009 Certified drainage contractor 10-year guarantee Free on-site visit

Why customers choose us

You should feel confident before the work even starts.

We combine experience, clear quoting and our own staff with a process where stormwater, site conditions and restoration are planned together.

Site visit

We assess ground, stormwater, access and scope on site before quoting.

Execution

In-house staff, documented work and proven materials for a durable result.

Confidence

Fixed pricing in the quote, a 10-year guarantee and clearer responsibility through the project.

1,200+

completed drainage projects

Since 2009 in Gothenburg, Malmo and Helsingborg

100+

projects every year

For villas, housing associations and larger properties

10 years

guarantee

Confidence that continues after final inspection

SEK 40m+

group turnover

A stable supplier that can stand behind its guarantees

Local pages

Looking for drainage in Gothenburg, Malmo or Helsingborg?

For local information about common issues, price drivers, real projects and how we plan work in each area, continue to the area pages below.

Drainage Gothenburg Drainage Malmo Drainage Helsingborg Drainage Molndal

How we build durable drainage

Effective drainage must be adapted to the house, the ground and how water actually moves across the site.

A strong drainage solution is essential for keeping moisture away from all types of foundations. When the property has a basement, the system often also needs exterior insulation to create a drier and more robust construction over time.

Standard solutions are rarely enough. Drainage should be designed around the actual foundation, ground conditions, stormwater arrangement and how the outdoor areas should be restored when the technical work is finished.

If you want a more local walkthrough, you can continue to Drainage Gothenburg, Drainage Malmo or Drainage Helsingborg.

Drainage gravel around a house foundation

Drainage gravel and levels

The right gravel bed and correct levels are critical if the drainage pipes are going to perform over time.

Pipes and fall

Pipe position and fall need to be adjusted to the property, access and the actual stormwater route.

Stormwater handling

Stormwater often needs to be reviewed together with the drainage to avoid moving the problem instead of solving it.

Insulation and capillary break

A complete build-up around the wall helps the foundation remain drier and more stable through the year.

FAQ

Frequently asked questions about drainage

These are some of the questions we most often hear before a customer books a site visit for drainage or insulation.

Common signs are a musty smell in the basement, staining or salt deposits on walls, a damp or cold feeling in the basement, or an old drainage system that no longer feels reliable. An on-site visit makes it easier to see whether the issue mainly comes from drainage, stormwater or the surrounding construction.

It is rarely responsible to promise a fixed price before seeing the property. The cost depends on the building perimeter, excavation depth, soil conditions, stormwater handling, machine access and how much restoration is needed afterwards.

In many cases yes, for the labour part of the work. As of January 1, 2026, the Swedish ROT deduction is 30 percent of labour cost according to the Swedish Tax Agency. Materials, machines and related costs are normally handled separately in the quote.

In many cases yes, although the plot and some access routes will be affected while work is ongoing. During the site visit we explain access, safety and how everyday life around the property may be affected.

Drainage removes groundwater around the foundation. The stormwater solution handles water from roofs, downpipes and hard surfaces. Insulation and capillary-breaking materials help the wall stay warmer and drier. For the solution to work long term, these parts need to work together.

Next step

Book a free on-site visit and get the right solution assessed on site.

An on-site visit makes it easier to assess drainage, stormwater, site levels and access before a quote is issued. That gives you a clearer basis for decision-making and reduces guesswork.

Book a visit Call 031-762 61 88