10 steps to your house in Germany
Building a prefabricated house in Germany is a well-defined, predictable process. Here are the ten stages from setting your budget and finding a plot through to acceptance and getting the keys — written in plain English for international buyers.
From plot to keys, step by step
- 1
Set your budget and needs
Work out how much you can spend, including plot and ancillary costs, and list your must-haves — size, number of rooms, single- or two-storey. Prefab prices are usually quoted per house and stated excl. plot and ancillary costs.
- 2
Find and check a plot
Search for a suitable plot and review the local development plan (Bebauungsplan) for what and how you may build. Confirm utility connections and consider a soil survey (Baugrundgutachten).
- 3
Buy the plot via a notary
The plot purchase is completed before a notary (Notar) and registered in the land register. Non-residents can buy freely — see our guide on buying property as a non-resident.
- 4
Arrange financing
Compare mortgage offers and confirm your equity and loan-to-value. For non-residents, banks often lend a lower share, so plan ahead. See our mortgage guide for expats.
- 5
Choose a manufacturer and design
Compare prefab manufacturers, request offers and pick a house type. Review the building description (Bau- und Leistungsbeschreibung) line by line to see exactly what is included.
- 6
Sign the construction contract
You sign a Werkvertrag governed by the BGB, with an agreed price, building description, payment schedule (Zahlungsplan) and completion date. Independent legal review is recommended.
- 7
Obtain the building permit
Your architect or manufacturer submits the building application (Bauantrag) to the local building authority. Building may only start once the permit (Baugenehmigung) is granted.
- 8
Prepare the site and foundation
Utilities are connected and the foundation or basement is built. Prefab houses need a level, ready foundation before the factory-made elements arrive.
- 9
Assembly and interior fit-out
The prefabricated elements are delivered and the weathertight shell is often erected in days. Interior trades then complete the fit-out to the agreed standard.
- 10
Acceptance and handover
At acceptance (Abnahme) you inspect the house and record any defects in the handover protocol. The five-year warranty (Gewährleistung) then runs from this date — and you get the keys.
Related reading: buying property as a non-resident, mortgages for expats and German building contracts.
As a rough guide for 2026, plan around 9–18 months from signing the construction contract to handover, with finding and buying a plot adding time before that. The factory-made shell is often erected in days — most of the timeline is planning, permitting and fit-out.
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FAQ: the building process in Germany
Answers on timelines, permits, acceptance and how the process works for international buyers — as of 2026.
How long does it take to build a prefab house in Germany?
What comes first: the plot or the house?
When do I get the building permit?
What is Abnahme (acceptance)?
Can international buyers follow the same process?
As of 2026, general information only, provided without warranty. Timelines, permits and requirements vary by federal state, plot and manufacturer. Prefabricated House is an independent comparison portal and does not replace advice from your architect, manufacturer or local authority.

