Free roof inspection · No call-out fees

Reliable help for house extension in Zurich

We provide expert home extension services throughout Zurich with 17 years of experience transforming local properties. Our proven expertise delivers exceptional results on time and budget, whereas our commitment to safety guarantees tranquility during construction.

4.8 stars verified Google reviews
24/7 emergency callout - Zurich and surroundings
20-year workmanship guarantee
CHF 5M public liability - fully insured
3 quick steps · about 60 seconds

Free On-Site Roof Inspection — Same Week, No Obligation

Tell us what's going on. our team or a senior roofer calls you back within 1 hour during working hours.

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01 - How it works

Our process for House Extension in Zurich.

Every project follows a clear inspection, quote, delivery, and quality review path so you know what is happening before work begins.

Our Extension Build Process for House Extension
Step 1

Our Extension Build Process

Dachdecker Zurich AG begins with a comprehensive on-site consultation to understand your space requirements and budget. Our experienced team manages every stage – from initial surveys and planning submissions to construction and final inspections – backed by our 20-year unlimited warranty and transparent project management.

Step 2

Free On-Site Consultation & Site Survey

Our thorough consultation examines your existing property layout, structural requirements, and available expansion space. Using advanced surveying equipment, we identify potential challenges like underground services, boundary restrictions, or foundation needs. We document findings with detailed site plans and photographs, checking property boundaries, existing utilities, access routes, and soil conditions.

Free On-Site Consultation & Site Survey for House Extension
How Long Does the Process Take? for House Extension
Step 3

How Long Does the Process Take?

Most home extensions take 10–16 weeks, depending on size, design, and site conditions.

Step 4

Do You Handle the Entire Process, Including Planning Applications?

Absolutely. We provide a complete design-and-build service, including planning submissions.

Do You Handle the Entire Process, Including Planning Applications? for House Extension
Dachdecker Zurich team on site in Zurich
17
Years helping Zurich homes and businesses with practical roofing work
02 - Why Dachdecker Zurich

Why choose Dachdecker Zurich AG for House Extension?

20-Year Work Guarantee 10-Years Home Security Promise 365 Emergency Assist Service Refer a Friend Reward Book a Service Appointment Let’s Fix Your Roof – Fast & Stress-Free It only takes 30 seconds – no pressure, no obligation.

20-Year Work Guarantee
Free On-Site Consultation
Full Planning Support
Free quote for House Extension
03 - Timeline

What to expect during your house extension project.

We start with a practical assessment, explain the condition of the roof, and agree the right scope before work begins. You get updates during the job, daily site care where needed, and a final review before handover.

Timing depends on access, weather, materials, and the scale of the work, but our team keeps the process straightforward from first call to completion.

24h
Quote response
365
Emergency support
20 yr
Workmanship guarantee
Completed House Extension project in Zurich
Verified roofing reviews

House Extension reviews from Zurich customers

Read real Google and Trustpilot feedback from Dachdecker Zurich customers across Zurich before booking house extension.

Google

Schieferdach-Reparatur in Oerlikon

Dachdecker Zurich AG hat ein hartnäckiges Leck an unserem Reiheneinfamilienhaus in Oerlikon repariert und gleich die Kupferanschlüsse rund um den Kamin erneuert. Klare Erklärung, faire Festpreis-Offerte, Baustelle täglich sauber. Sehr zu empfehlen.

Sandra Müller
Oerlikon, Zurich
Google

Kompletter Dachersatz in Hottingen

Vollständige Neueindeckung mit Tonziegeln, neuer Unterdachbahn und Spenglerarbeit in Titanzink. Vom ersten Telefonat bis zur Schlussabnahme alles unkompliziert, der Zeitplan wurde eingehalten. Würden wir wieder buchen.

Marco Brunner
Hottingen, Zurich
Google

Notfall-Leckreparatur in Wiedikon

Nach einem Gewitter tropfte es im Schlafzimmer. Anruf um 22 Uhr, am nächsten Morgen war das Team da, hat das Dach notdicht gemacht und zwei Tage später die definitive Reparatur ausgeführt. Schnell, fair, sauber dokumentiert für die Versicherung.

Beatrice Schmid
Wiedikon, Zurich
Google

Dachsanierung pünktlich abgeschlossen

Grösseres Sanierungsprojekt am Einfamilienhaus in Höngg. Die Arbeit wurde sauber und termingerecht ausgeführt, auch als das Wetter umschlug. Klare Kommunikation, schriftliche Garantie, fachlich saubere Übergabe.

Andreas Keller
Höngg, Zurich
Trustpilot

Dachersatz von Anfang bis Ende

Dachersatz am Reihenhaus in Altstetten. Klare Beratung, ehrliche Empfehlungen, professionelles Team und sauberer Abschluss. Festpreis hat gehalten, keine Überraschungen.

Markus Frei
Altstetten, Zurich
Trustpilot

Sehr zuverlässige Dachdeckerleistung

Verlässliche Arbeitsweise, effiziente Ausführung und Liebe zum Detail bei den Spenglerarbeiten an unserem Mehrfamilienhaus in Schwamendingen. Genau das, was man von einem Zürcher Fachbetrieb erwartet.

Maria Tanner
Schwamendingen, Zurich
Trustpilot

Neue Dacheindeckung in Witikon

Die neue Dacheindeckung verlief reibungslos und unkompliziert, freundliches Team auf der Baustelle, hochwertiges Endergebnis. Empfehle den Betrieb gerne weiter.

Patrick Lüthi
Witikon, Zurich
Trustpilot

Schnelle Notfall-Dachreparatur

Notfalleinsatz nach Sturmschaden in Seefeld. Schnelle Reaktion, faire Preise, praktische Hilfe wenn es dringend ist. Versicherungs-Dokumentation wurde gleich mitgeliefert.

Stefan Wyss
Seefeld, Zurich
04 - Schedule

Schedule your house extension service in Zurich today.

Speak with Dachdecker Zurich about your roof, get a clear assessment, and understand the next step before committing to work.

06 - FAQs

Common questions about House Extension in Zurich.

Cannot find what you are looking for? Call us directly - we answer quickly. 044 505 67 69

Questions about House Extension
01 Do I Need Planning Permission for a Home Extension in Zurich?

Not always. Extensions under 40m² may qualify for exempted development. We'll advise and manage any necessary planning applications."

02 How Long Does the Process Take?

Most home extensions take 10–16 weeks, depending on size, design, and site conditions.

03 Can You Match the Design to My Existing Home?

Yes. Our architects and builders ensure seamless integration with your current structure and finishes.

04 Do You Handle the Entire Process, Including Planning Applications?

Absolutely. We provide a complete design-and-build service, including planning submissions.

05 What Is the Average Cost per Square Metre?

Home extension costs typically range from CHF 1,800 to CHF 2,500 per square metre. Get in touch for an exact quote tailored to your project.

07 - Contact

Ready to sort your house extension?

Free assessment, clear pricing, and no surprises. We'll explain what your roof needs and what it costs so you can make the right call.

Call about House Extension 044 505 67 69
Available 7 days a week
Request help for House Extension