House extensions in The Hague and surrounding areas
An extension changes more than the floor area. The connection to the existing house, daylight, structure and heating all need attention. Vlas Construction builds house extensions in The Hague and approximately 50 km around the city, including extensions within a larger renovation.
Plan how the new space connects
Start with how you want to use the room. A larger kitchen, dining area or living room may require changes to the existing layout as well as new construction. Discuss door positions, garden access and the space you want to keep outside.
Foundation, structure and weather protection
The foundation and structural design depend on the existing building and site. An opening in the rear wall may require structural calculations and temporary support. Roof drainage, insulation and connections between old and new construction belong in the same plan.
Check permissions for your address
An extension is not automatically permit-free. Both technical building rules and local planning rules can apply. Use the Omgevingsloket permit check and confirm the requirements for your property. Agree who supplies drawings, calculations and any application before work starts.
Include the interior and energy improvements
Discuss windows, doors, electrical points, plumbing and finishes before construction. If you want underfloor heating, coordinate it with the floor structure and insulation. The quotation should make clear which work is included in the extension and which work in the existing home is separate.
What determines the cost?
Size, access, ground conditions, structural openings, glazing and finish choices affect the price. A planning tool can help describe your ideas, but it is not a technical design or a binding quotation.
Plan your extension
Use the planning tool to describe your ideas. It does not replace a technical design or binding quotation.
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Free quote
Request a free quote for your extension. Send the address, approximate dimensions and any drawings you already have. For a wider project, see complete home renovation.
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