There’s a growing buzz around prefabricated homes that include a secondary suite. Ratgeber Eigentumswohnung is an example of a resource that homeowners use to weigh options before making the leap. What was once seen as an unusual choice is now gaining mainstream attention, and for good reason. The real question is how much you’ll need to budget before enjoying the benefits.
Breaking Down the Base Price
At the starting line, prefabricated homes are already more affordable than traditional builds. Depending on size and finish, the average base cost ranges between €150,000 and €250,000. But once you add a secondary suite, expect that figure to rise by €30,000 to €60,000, depending on layout and design features. That’s why buyers need to crunch numbers with a realistic mindset. This addition isn’t just a box checked off on a blueprint. It adds usable living space that can house a family, generate rental income, or create a private office. The upfront increase in cost often pays for itself over the years.
Hidden Costs That Catch Buyers Off Guard

Sticker prices rarely tell the full story. Permits, utility connections, and upgrades can quickly tack on another €15,000 to €25,000. Even landscaping or driveway adjustments to accommodate extra tenants can nudge the budget higher. Buyers often underestimate these add-ons. But thinking ahead prevents frustration later. Better to face reality at the start than stretch finances thin after move-in. With good planning, hidden costs don’t have to derail your vision.
Why a Secondary Suite Adds Long-Term Value
The magic of a secondary suite isn’t just in day-to-day comfort. It has an impressive effect on resale value. Homes with additional units often attract more attention in competitive markets. Buyers know flexibility is golden, and this feature provides it.
Future buyers see potential: a space for aging parents, rental income, or a studio for side projects. That kind of flexibility raises demand, which in turn increases the property’s market price. A suite can transform a standard property into a standout listing. This added appeal can speed up the selling process, too.
Financing Options You Might Overlook

Mortgages for prefabricated homes with suites sometimes qualify for better terms. Banks see the extra unit as a safety net because of rental potential. This can lower the risk in their eyes and open doors to favorable rates. That advantage can make financing less stressful for homeowners.
Grants or subsidies may also be available in certain regions. These incentives lighten the financial load, making the decision less intimidating. It’s worth asking local officials about programs before signing anything. Small savings upfront can add up to big relief later.
Is It Worth the Investment?
At first glance, spending extra on a secondary suite may feel like a heavy lift. But when you tally the financial and lifestyle benefits, the math often swings in favor of building one. Rental income, added property value, and family flexibility combine into a strong argument. The decision often comes down to looking past the short-term sticker shock.

