Windows and doors for real estate management
Renovate windows easily and securely — with one point of contact for everything: from comprehensible offers to owner and tenant communication to coordination of trades and maintenance.
Easy property management — with us even during window renovation
Clear communication instead of lengthy consultations
Between owners, tenants and the like, every piece of information becomes a challenge. We provide you with an offer that owners understand directly — and, upon request, can also communicate with all parties regarding processes and deadlines.
Reliable implementation instead of construction site chaos
When many tenants and trades are affected, window replacement becomes a complex construction project. As an experienced partner — from property to commercial to rental property — we guarantee safe and timely residential installation.
Clean processes instead of major renovation costs
When renovating or renovating, administration, landlords and tenants worry about effort and dirt. Our assembly teams are trained to work in private rooms and leave them cleanly — without the need for further work.
Sponsored renovation? Our guide gives you an initial overview free of charge.
Our renovation and funding guide provides you with clear information on how to promote your window renovation — with important arguments for owners. Our experts are also happy to advise you personally.
KOCHS — the partner from the Aachen region for real estate and property management companies
Comprehensible offer
We will provide you with an offer that is comprehensive, clear and easy to share — ideal for decision-making at owners' meetings or coordination with internal committees.
In-house production, fixed prices
Since 1955, KOCHS has stood for high-quality windows and doors — everything from a single source: advice, production and installation. This allows us to offer you price security — even from the rough photo.
Permanent point of contact for everything
You talk to your personal advisor on all questions — from initial offer to updates to coordination with ancillary systems to installation. This saves you time, effort and queries.
Service through to maintenance
We think along with you right from the start and advise you on funding, planning and implementation. In addition, CAD and maintenance services make our windows and doors a tailor-made, long-term secure investment.
Proven solutions for existing properties
More than windows & doors: services for your administration
Your point of contact
Patrick Carduck
Our expert for window and door renovation and new buildings. Experienced in working with architectural firms, he has a deep understanding of planning and project requirements.
Take your customers with you to our exhibition
Discover lots of inspiration for your individual windows and doors in the Aachen city region. Personal advice is also available by appointment, depending on opening times.
Opening hours
Sat 09:00 — 13:00 (excluding spare parts sales)
Sun 14:00 — 17:00 (excluding advice and sales)
Am Boscheler Berg 5
