Prefabricated house 70–100 m² – cost, construction, selection | 2025 Guide

Looking for the perfect 70–100 m² home? In this guide, we'll show you how to choose the right technology, calculate realistic costs, and avoid mistakes during construction. All based on experience with hundreds of prefabricated projects in Poland.

Prefabricated house 70–100 m² – cost, construction, selection | 2025 Guide

Is a 70–100 m² house the best choice? Find out before you start building.

Houses in this size are currently most often chosen by people looking for:

• comfort for 2–4 people,

• low operating costs,

• quick implementation (even in 3 months),

• possibility of building without a permit (up to 70 m²).

This guide was created to help you avoid mistakes , better choose a project , and realistically calculate costs . It's all based on hundreds of consultations with investors and our experience in prefabrication.

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📌 Read before you decide – the most important articles:

• 👉 How much does a 70 m² prefabricated house cost?

• 👉 Stages of building a 100 m² house – step by step

• 👉 Expanded Clay or Wood? A Comparison of Technologies

• 👉 Single-story or attic? What to choose for a 100 m² apartment?

• 👉 Is it worth building a 70 m² house? 2025 Analysis

• 👉 Turnkey house or open shell?

• 👉 How long does it take to build a prefabricated house?

• 👉 What does a prefabricated house design include?

• 👉 The most common mistakes when choosing a project

• 👉 Is a prefabricated house worth it? ROI calculation

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❓ Frequently asked questions (FAQ)

Can you build a 70 m² house without a permit?
Yes – according to the regulations, you can build a house up to 70 m² upon notification if you meet certain conditions (e.g. single-family housing, one building on a plot, etc.).

What is the real cost of a 100 m² prefabricated house in 2025?
Depending on the technology and finish, the price ranges from PLN 4,300 to PLN 5,800/m² gross. The total cost can range from PLN 430,000 to PLN 580,000 (excluding the plot).

Is a prefabricated house a good choice for a year-round family home?
Absolutely, yes – provided they are well-insulated, well-ventilated, and properly assembled. Prefabricated homes aren't just summer houses – they're fully-fledged, durable buildings.

What is cheaper: a house made of expanded clay or wood?
Wood technology is often cheaper initially, but expanded clay provides greater mass and durability. The final cost depends on the design, finishing, and logistics.

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📞 Want a personalized quote?

Write to us – you will receive a preliminary cost estimate, tailored technology and a recommendation.
👉 Fill out the prefabricated house quote form