01
Book an on-site visit
We review the property on site, listen to your needs and assess the conditions for drainage, insulation and restoration.
Drainage since 2009
Drainage and insulation in Gothenburg, Malmo & Helsingborg.
We carry out drainage and foundation insulation for villas, housing associations and larger properties in Gothenburg, Malmo and Helsingborg. Since 2009 we have completed more than 1,200 drainage projects and help more than 100 customers every year with moisture protection, stormwater planning, groundworks and restoration.
1,200+ drainage projects since 2009 Certified drainage contractor 10-year drainage guarantee Fixed pricing in the quote
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 as one complete scope.
Site visit
We assess the ground, stormwater, access and scope on site before quoting.
Execution
Our own staff, documented work and proven materials for a durable result.
Confidence
Fixed pricing in the quote, a 10-year guarantee and clearer responsibility throughout 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
Drainage, insulation & restoration
Drainage work for properties that need a solution that stays reliable over time.
Lorne Drainage is part of Lorne Mark & Fastighetsservice AB and works with drainage, insulation and moisture protection for villas, housing associations and larger properties. Since 2009 the business has been built around clear quotes, in-house staff and solutions that still feel right when the project is finished.
A functioning drainage system protects the foundation from moisture, water ingress and follow-up damage in basements and ground-level constructions. That is why we always start by reviewing soil conditions, stormwater and the most suitable way to protect the building.
When a project requires it, we also restore stairs, entrances, paved areas, waterproofing layers and other parts affected during the work. That gives you one clearer point of responsibility from quote to finished result.
Before the quote
A free on-site visit gives you a clearer quote and a safer plan from the start.
We prefer to begin with a site visit where we review the ground, site levels, stormwater, access and how restoration should be planned. Only then can we tell whether the project is purely drainage or if insulation, capillary-breaking material, waterproofing or restoration also need to be included.
That gives you a more reliable quote, better expectations and fewer surprises during the work itself. For villas, housing associations and larger properties, that clarity often matters just as much as the technical work below ground.
Certified drainage contractor with focus on the right method and durable execution
Fixed pricing in the quote and clear scope before the project starts
Always a free quote and on-site visit before recommending the right solution
In-house staff, site documentation and proper insurance cover
How the process works
From first site visit to finished project.
A clear process makes it easier to understand the next step, the real scope and what should be included before any work starts.
02
Quote & plan
You receive a clear outline with the recommended solution, the expected scope and what is included before the project starts.
03
Execution
The work is carried out by our own staff with focus on a reliable foundation, order on site and continuous updates.
04
Handover & guarantee
We review the result together and hand over documentation plus the guarantee for the completed drainage work.
Areas we work in
Choose the area closest to your property.
There you can see common local conditions, what usually affects the quote, and how we plan drainage, stormwater and restoration in your area.
Area
Read moreGöteborg
Vi hjälper villaägare, BRF:er och större fastigheter i Göteborg med dränering, isolering och återställning som planeras utifrån fastighetens verkliga förutsättningar innan ni tar ställning till offert.
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Area
Read moreMalmö
Vi planerar dräneringsprojekt i Malmö med fokus på fuktsäkring, lång livslängd och smidig kommunikation under hela arbetet.
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Area
Read moreMölndal
Vi hjälper villaägare, BRF:er och större fastigheter i Mölndal med dränering, isolering och återställning som planeras utifrån nivåskillnader, dagvatten och fastighetens verkliga förutsättningar innan ni tar ställning till offert.
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Area
Read moreKungsbacka
Vi hjälper villaägare, BRF:er och större fastigheter i Kungsbacka med dränering, isolering och återställning som planeras utifrån tomtens verkliga förutsättningar innan ni tar ställning till offert.
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Area
Read moreHisingen
Vi hjälper villaägare, BRF:er och större fastigheter på Hisingen med dränering, isolering och återställning som planeras utifrån mark, dagvatten och fastighetens verkliga förutsättningar innan ni tar ställning till offert.
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Area
Read moreKungälv
Vi hjälper villaägare, BRF:er och större fastigheter i Kungälv med dränering, isolering och återställning som planeras utifrån fastighetens verkliga förutsättningar innan ni tar ställning till offert.
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Area
Read moreLerum
Vi hjälper villaägare, BRF:er och större fastigheter i Lerum med dränering, isolering och återställning som planeras utifrån terräng, dagvatten och fastighetens verkliga förutsättningar innan ni tar ställning till offert.
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Area
Read morePartille
Vi hjälper villaägare, BRF:er och större fastigheter i Partille med dränering, isolering och återställning som planeras utifrån fastighetens verkliga förutsättningar innan ni tar ställning till offert.
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Area
Read moreHelsingborg
Vi utför dränering och isolering i Helsingborg med fokus på hållbara lösningar och ett tydligt upplägg för hela projektet.
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FAQ
Common questions before you book a drainage visit
These are some of the questions property owners most often ask before moving forward with drainage, insulation or moisture protection.
How do you know if the house needs drainage? +
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.
How much does drainage of a house or basement cost? +
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.
Does Swedish ROT tax deduction apply to drainage work? +
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.
Can you stay in the house during the drainage project? +
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.
What is the difference between drainage, stormwater and insulation? +
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.