Basement renovation before and after with new finishes and a fresher feel.

Basement transformed into a more comfortable, usable space.

Basement renovation with the right material choices — for a safe, usable space

A basement can become fantastic extra space, but it requires respect. Basements are often affected by ground moisture, temperature variation and sometimes limited ventilation. That’s why it’s extra important to renovate the right way, with materials and build‑ups that suit the environment. We help you create a basement that feels fresh and usable — without building in problems that show up in a couple of years.

We start by understanding what you want to use the basement for: storage, laundry, guest room, hobby room, home office or extra living space. Then we look at conditions such as odor, visible moisture marks, cold areas and how the surfaces look today. We discuss risks and which solutions are reasonable. We like clarity: you should understand why certain material choices are smart and others less suitable in a basement.

In basements, material choice is everything. Solutions that work perfectly upstairs can be wrong in a basement if they trap moisture or can’t handle the environment. We choose build‑ups with the basement’s ability to function and dry out in mind. Floors, walls and carpentry need to follow the right logic, and we help you find a balance between feel, function and moisture safety.

We can also improve the basement’s function with smart carpentry: built‑in storage, practical divisions and surfaces that make you actually use the basement. Often it’s not a “bigger renovation” that makes the difference, but building smart and removing things that create irritation: poor lighting, awkward passages or spaces that feel half‑baked.

If we see clear signs of moisture issues, we help you reason about next steps. In some cases the cause needs to be addressed before finishing surfaces; otherwise you risk putting nice finishes on a base that isn’t healthy. We take that seriously and work for long‑term solutions.

The goal is a basement that feels safe, fresh and usable. You get clear dialogue and a setup that fits the project’s character: fixed price when it’s clear, or hourly when you need flexibility after opening up and seeing the construction.

Make the basement truly usable

Tell us how you want to use the basement and where on Öland you live. We’ll come out and help you get a plan that works long‑term.

DNA Kalmar-Öland Bygg AB
Org no: 559377-3756
Gränsgatan 1, 386 30 Färjestaden
By clicking Send, you agree to our terms.

FAQ about basement renovation

Quick answers about scope, areas and how to get started.

What’s the most common mistake in basement renovations?

Building too tight or choosing materials that don’t suit the basement climate. The space may look good at first but become problematic when moisture and temperature vary.

We always start by discussing the conditions and choose a build‑up that fits. That’s often where you truly “win” a basement.

How do you make a basement more comfortable?

Planning makes a big difference: the right lighting, better flow, smart storage and materials that feel warm and easy to maintain. Creating clear zones for different uses also helps.

We help you develop a practical plan that works in daily life and makes the basement a space you actually want to use.

Can you install flooring in a basement without problems?

It depends on the substrate, moisture levels and the type of floor. Some solutions require extra care to avoid trapped moisture and future odor issues.

At a site visit we look at the construction and suggest floor/build‑up choices that are reasonable for your house. The goal is lasting comfort, not quick shortcuts.

How does the coastal climate affect basements on Öland?

Moisture and weather swings can make basements behave differently throughout the year. That’s why ventilation, materials and how layers interact matter.

We’re used to Öland’s conditions and help you choose a solution that remains stable over time — not just in the “good months”.

Fixed quote or hourly for basement work?

If the scope is clear, a fixed quote can be smooth. At the same time, basements often benefit from checking substrates and details after opening up, which can make hourly more transparent.

We discuss what feels safe for you and check in clearly before anything that affects scope or priorities.

What should I think about before we meet?

Consider how you want to use the space and what issues you notice: odor, cold floors, damp spots or simply poor planning. That helps us prioritize.

Feel free to take a few photos and note measurements/rooms. On site we can then give a clear “here’s where we start” proposal that fits your goal.

What determines the price of a basement renovation?

Moisture levels, material choices and intended use affect the price most. In some cases extra measures are needed before finishing surfaces.

We review conditions on site and propose a clear setup.

Do you take basement projects in Kalmar?

Yes. We work across Öland and can also take projects in Kalmar municipality when it fits.

Send your address and a short description and we will respond quickly.