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A simple sash adjustment does not need the same contractor-selection process as a larger repair or full window replacement. Learn what to clarify before the visit, what a useful quote should explain and which question to ask about price changes.
There is no single interval after which every window must be adjusted. Inspection and maintenance may follow the manufacturer's schedule, while adjustment is needed when the window setting actually requires correction.
Lubricated the window hardware, only for the window to feel stiff again later? More lubricant is not always the answer. Dirt, product choice, sash alignment and the condition of the mechanism are all worth checking.
Does the door scrape the threshold, need an extra push to close or become hard to lock? Similar symptoms can have different causes. One of the most useful clues is the exact point at which resistance appears.
Two windows with the same apparent symptom can require very different repairs. Here is what actually determines the cost and how to understand a service quote.
Advice such as “once a year” or “every two years” is only a simplification. The need for adjustment depends on the specific window, its hardware system and how it actually operates.
Warsaw, Kraków, Katowice, the Silesian metro area and our other service cities — free diagnostics and technician visit.
Professional reliability you can trust
Quick response when you need it most
Up to 5 years
Competitive prices
Enhance your windows and doors with high-quality components for superior functionality and comfort
High-quality ergonomic handles with multiple finishes for enhanced comfort and style
Secure handles with integrated locking mechanism for enhanced safety and peace of mind
Advanced security solutions with multi-point locking for maximum protection
Automatic ventilation solutions with energy-efficient air circulation and smart controls
Convenient magnetic door holders for easy operation and secure positioning
Hidden hinges for clean, modern design with smooth operation and durability
Window and door repair in Warsaw, Kraków, Gdańsk, Wrocław and other major Polish cities
Real feedback from our satisfied customers
"Incredibly professional and fast service. The technician fixed our window in under an hour. Highly recommended!"
"Great communication and transparent pricing. The quality of work was excellent. Very happy with the result."
"The team was punctual, polite, and very knowledgeable. They explained the issue clearly and fixed it efficiently."
"Fantastic service from start to finish. I will definitely use them again for any future window or door repairs."
The advantages of working with our team of professionals
No-cost initial assessment to identify the problem.
We provide up to a 5-year warranty.
Our technicians arrive promptly to address your needs quickly.
99% of repairs can be completed during the first visit.
We respect your home and always leave our workspace clean.
We work with all types of window and door profiles and manufacturers.
Pay by card, cash, or we can issue an invoice.
Our goal is your complete satisfaction with our work.
Professional experts with years of experience
Senior technician and team leader
Coordinates the team and ensures the highest quality of services
Technician-specialist
Ensures your windows and balcony doors operate smoothly
Technician-specialist
Ensures your windows and balcony doors operate smoothly
Technician-specialist
Ensures your windows and balcony doors operate smoothly
Technician-specialist
Ensures your windows and balcony doors operate smoothly
Technician-specialist
Ensures your windows and balcony doors operate smoothly
Technician-specialist
Ensures your windows and balcony doors operate smoothly
Technician-specialist
Ensures your windows and balcony doors operate smoothly
See the quality of our work through real transformations
Replacement of selective double and triple glazing units to improve energy efficiency or remedy glass breakage
Complete mechanism renewal with modern hardware
Sealing the gaps between the window sill and the window frame to reduce heat loss and air leakage
Complete mechanism replacement with modern multi-point locking system
Replacement of old seals with polyurethane foam that remains stable and does not react to temperature changes, whether in winter or summer.
Replacement of worn hinges and adjustment of window and door hardware to ensure smooth operation and a tight seal.
Main service centres below. We probably serve your city too – call us or check the full location list.
In Warsaw we repair windows across all 18 districts – Śródmieście, Mokotów, Wola, Praga, Ursynów, Bemowo, Bielany. We serve apartment blocks, tenements and houses on the outskirts. Free visit, repair usually in a single trip.
See detailsWindow repair in Kraków covers all districts – Old Town, Krowodrza, Podgórze, Nowa Huta. We service windows in historic tenements, 1970s blocks and new apartments. Free diagnostics – 99% of repairs finished during the first visit.
See detailsIn Wrocław we travel to every district – Old Town, Fabryczna, Krzyki, Psie Pole, Śródmieście. We help both with hardware in new blocks and maintenance of old windows in tenements. Free diagnostics – technician leaves windows working the same day.
See detailsIn Poznań we service windows across the whole city – Old Town, Grunwald, Jeżyce, Nowe Miasto, Wilda. We work on housing estates, 1930s tenements and new blocks. Free assessment – most problems solved in a single visit.
See detailsŁódź and surroundings – our technician will come to your flat in Śródmieście, Bałuty, Widzew, Górna or Polesie. We also specialise in maintenance of windows in the city's 19th-century tenements. Up to 5-year warranty – free diagnostics.
See detailsIn Gdańsk we serve the whole city plus the metropolitan area – Main Town, Wrzeszcz, Oliwa, Zaspa, Chwaszczyno. The seaside climate wears down gaskets and hardware, so we service extra thoroughly. Same-day visit – free diagnostics.
See detailsSzczecin – window repair on both sides of the Odra. We work in Śródmieście, Prawobrzeże, Zachód, Pogodno and other districts. We serve both 1960s blocks and newer estates. Free visit – most issues fixed on the first trip.
See detailsIn Bydgoszcz we service windows in the city and county. We travel to Śródmieście, Fordon, Wyżyny, Kapuściska and other districts. We replace hardware, gaskets and adjust mechanisms in blocks and houses alike. Free diagnostics – technician carries parts on board.
See detailsKatowice and the entire GZM metropolitan area – we travel to Śródmieście, Ligota, Ochojec, Brynów, Piotrowice. We work in old tenements, 1970s blocks and new apartments. Free window assessment – 99% of repairs done in a single visit.
See detailsEverything you need to know about our window and door repair services
Yes, the initial diagnostics and our technician's visit to assess the work are completely free. No hidden costs and no obligations. If you decide to proceed with the service, the technician will provide a clear quote on site, explain all the details, and if needed – can start work immediately and complete the repair during the same visit.
Absolutely! We provide a warranty for both the services performed and the materials used – in accordance with applicable regulations.
The cost of window repair depends on the type of fault and the scope of work. Our technician visits free of charge, assesses the situation on site and provides a precise quote before starting work. Most minor issues are fixed during the first visit. You can see our indicative prices on the pricing page.
Booking a free diagnostics is very simple. Just call our contact number or fill in the registration form – either way it only takes a few minutes.
In most cases, repair is sufficient: replacing seals or hardware, sealing, adjustment, cleaning and lubricating the mechanisms. This is a much cheaper solution than installing new windows.
Repair is usually less expensive — there's no need to buy a new window, remove the old one, dispose of it, or carry out finishing work after installing a new structure. Most window faults (gaskets, hardware, adjustment) can be fixed for a fraction of the cost of a full replacement.
We service windows from all major manufacturers, including: Rehau, Veka, KBE, Schuco, Salamander, Aluplast and many others. Our technicians undergo training on the specific mechanisms of each manufacturer.
Yes, we accept payment cards, BLIK, bank transfers and cash. Payment is settled after the work has been completed; on request we issue an invoice.
Yes, we provide services all year round. During winter, we carry out window servicing using special methods to avoid cooling down the rooms and ensure maximum comfort.