Replacing window frames: the process from quote to installation

July 2, 2026by admin0

Having new window frames installed isn’t an everyday decision. Many customers ask us: what does the process actually look like? Below we walk you through it step by step — from first contact to handover.

Step 1: introduction and measuring

It starts with a no-obligation conversation — by phone, via our contact form or in our showroom in Wassenaar. We then visit your home to measure precisely and assess the situation: type of house, desired look, ventilation and any municipal or owners’ association (VvE) rules.

Step 2: a quote within 24 hours

Based on the measurements you receive a clear quote within 24 hours — no hidden costs. It specifies exactly what you get: profiles, glazing package, colour, hardware and full installation. Unsure about options? We calculate variants transparently. Feel free to check our indicative prices first.

Step 3: made-to-measure production

After approval your frames go into production — fully made to measure. Expect a lead time of roughly 4–6 weeks for PVC and 6–10 weeks for aluminium. We keep you informed and schedule the installation day well in advance.

Step 4: installation day

Our own installation team removes the old frames, fits the new ones and finishes everything neatly. Per home, installation usually takes one to a few days, depending on the number of frames. We protect your floors, limit dust and leave your home broom-clean. We dispose of the old frames.

Step 5: handover and inspection

After installation we go through everything together: smoothly operating windows and doors, neat finishing, working ventilation. The job is only done when you are satisfied. You’ll receive maintenance tips — minimal for PVC and aluminium.

Step 6: subsidy and service

If insulating glazing was installed, we help you apply for the ISDE subsidy free of charge. And we remain available afterwards: from Wassenaar we’re quickly on site anywhere in South Holland.

Ready to start?

Request a free quote today — within 24 hours you’ll know exactly where you stand.

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D-KozijnenHeadquarters
Custom window frames for homes that deserve more than standard. Personal contact, clear advice and craftsmanship on every project.
Onze locatieWhere to find us?
Locatie van D-Kozijnen in Wassenaar, Zuid-Holland
Get in touchD-Kozijnen Social links
Stay connected with us and discover our latest projects, updates and inspiration.
D-KozijnenPersonal contact
Custom window frames for homes that deserve more than standard. Personal contact, clear advice and craftsmanship on every project.
Onze locatieWhere to find us?
Locatie van D-Kozijnen in Wassenaar, Zuid-Holland
Get in touchD-Kozijnen Social links
Stay connected with us and discover our latest projects, updates and inspiration.