Sliding-door extension in the Netherlands - design, costs and permits
A sliding-door extension creates a wide, easy connection between living space and garden. We design, plan and build it with clear advice, fixed pricing and one accountable team.
This page explains the main choices for a sliding-door extension: layout, materials, budget, planning and whether a permit is likely to be needed.
Frame material, threshold detail, glass width and sun orientation determine comfort and usability.
Design choices
Frame material, threshold detail, glass width and sun orientation determine comfort and usability.
Costs and planning
Sliding doors should be specified early because they affect structure, floor levels and delivery planning.
Permit check
The opening itself needs structural design, while the extension follows the usual location and size rules.
Frequently asked questions
What does a sliding-door extension cost?+
Costs depend on size, structure, finish level and site access. Sliding doors should be specified early because they affect structure, floor levels and delivery planning.
Do I need a permit for a sliding-door extension?+
That depends on location, dimensions and municipal rules. We check this for you before the design is finalised.
Interested?
Request a no-obligation quote. We respond within 24 hours with a first indication.