Practical guides for
prefab extensions.
Read about costs, permits, technical choices and planning before starting a prefab extension project in the Netherlands.
Costs
Prefab Extension Costs per m2 in 2026
This guide explains the main points homeowners should know about prefab extension costs per m2 in 2026 before starting a prefab extension project.
Financing a Home Extension
This guide explains the main points homeowners should know about financing a home extension before starting a prefab extension project.
Permits
Permits for a Prefab Extension
This guide explains the main points homeowners should know about permits for a prefab extension before starting a prefab extension project.
Zoning Plans and Home Extensions
This guide explains the main points homeowners should know about zoning plans and home extensions before starting a prefab extension project.
Design Review Committee Tips
This guide explains the main points homeowners should know about design review committee tips before starting a prefab extension project.
Building Regulations for Extensions
This guide explains the main points homeowners should know about building regulations for extensions before starting a prefab extension project.
Technical
Foundations for a Prefab Extension
This guide explains the main points homeowners should know about foundations for a prefab extension before starting a prefab extension project.
Insulation Values for Prefab Modules
This guide explains the main points homeowners should know about insulation values for prefab modules before starting a prefab extension project.
Sound Insulation for Extensions
This guide explains the main points homeowners should know about sound insulation for extensions before starting a prefab extension project.
Proces
Prefab Extension Lead Time
This guide explains the main points homeowners should know about prefab extension lead time before starting a prefab extension project.
Transporting Prefab Modules
This guide explains the main points homeowners should know about transporting prefab modules before starting a prefab extension project.
Building a Prefab Extension in Winter
This guide explains the main points homeowners should know about building a prefab extension in winter before starting a prefab extension project.
Sustainability
Sustainable Prefab Building
This guide explains the main points homeowners should know about sustainable prefab building before starting a prefab extension project.
Improve Your Energy Label With an Extension
This guide explains the main points homeowners should know about improve your energy label with an extension before starting a prefab extension project.
Juridisch
Neighbours and Extension Rules
This guide explains the main points homeowners should know about neighbours and extension rules before starting a prefab extension project.
Insurance for Home Extensions
This guide explains the main points homeowners should know about insurance for home extensions before starting a prefab extension project.