
Locking Window Handles
Ground floor flat, small children at home, or a window facing a shared stairwell – a key-lock handle prevents the window from being opened by unauthorised persons.
FREE
Diagnostics at every visit
Same-day fitting
Technician brings the handle
5-year Warranty
On every installed part
Locking handles – when and why to install one
A standard handle provides only one locking position. A key-locking handle adds a second level: the window can be locked mechanically, preventing it from being opened from inside without a key.
When does a locking handle make sense?
A flat with small children. The child cannot open the window – even standing on the windowsill. This is the most common reason for fitting key-locking handles in Poland.
Ground floor and courtyard-facing windows. A standard handle is no barrier to a burglar who breaks the glass. A handle with a cylinder lock extends the break-in time and acts as an effective deterrent.
Windows in offices, warehouses and commercial premises. You control who can open the window.
How does a locking handle work?
A cylinder insert is built into the handle mechanism. With the handle in the horizontal position it locks mechanically. Rotating downward is only possible after turning the key. Systems are available with a single key fitting multiple windows in the flat.
Fitting – what you need to know
Replacing a standard handle with a locking handle takes 20–30 minutes. The technician checks compatibility on site and selects the right model. After fitting he adjusts sash compression and checks the lock operates smoothly.
Cost and warranty
Locking handle with fitting: from 85 PLN. Warranty up to 5 years on the fitted component. Diagnosis and model selection free with the visit.
What locking handles do we install?
Models matched to different window types and security needs
Keyed handles for PVC windows
Handles with a built-in locking cylinder, compatible with PVC profiles. The window stays locked until the key is used. Available in standard and reinforced versions.
Locking handles for wooden windows
Lock-equipped models for wooden windows where the screw spacing and sash profile require a dedicated handle. We check compatibility before installation.
Locking handles for aluminium systems
Handles with locks designed for aluminium windows and doors — including Schüco, Aluprof, and Reynaers systems. Installation requires fitting the spindle to the profile depth.
Cutting additional keys
A full set of spare keys can be made for any locking handle. We carry this out on-site or direct you to an authorised key-cutting point for the specific cylinder model.
Handle replacement after lost keys
If all keys to the handle have been lost, we replace the entire locking handle mechanism with a new one. No window frame removal required.
Installation and verification service
Every installation includes: removal of the old handle, inspection of the spindle condition, fitting the new keyed handle, and testing the lock and unlock function in every window position.
Who needs a lockable window handle?
Three situations where a handle lock makes a real difference
Ground floor, no bars, window accessible from outside
Ground and first-floor flats are statistically the most common targets for break-ins through windows. A keyed handle is one of the simplest and most affordable barriers — it prevents quick opening of the window from inside after a pane is broken. An opening limiter or anti-burglary hardware provides additional effective protection.
Families with young children – accident prevention
A keyed handle prevents a child from opening the window on their own. It is a cheaper and simpler alternative to opening limiters, though it does not fully replace them — a limiter works even when the key is in the handle. We recommend combining both solutions on windows accessible to children.
A keyed handle is not a substitute for anti-burglary hardware
A handle with a lock makes it harder to open the window from inside through broken glass, but it does not strengthen the window's resistance to forced entry. Full protection requires multi-point hardware with certified locks or RC2 class fittings. A technician will assess which security measures are justified in your specific situation.
Have questions? Contact our experts!
Related Services
Window Repair
Comprehensive repair of fittings, hinges, and seals – restores proper closing and airtight performance.
Front Door Repair
Repair and adjustment of front doors – locks, hinges, seals, and multi-point locking bolts.
Anti-Burglary Protection
Fitting locks, opening restrictors, and RC2-class hardware – complete security for windows and balcony doors.
Window and Door Repair Services
Professional solutions for all your window and door needs
What Our Clients Say
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."
Why Choose Us?
The advantages of working with our team of professionals

FREE Diagnostics & Visit
No-cost initial assessment to identify the problem.

Work Guarantee
up to 5-year guarantee on completed work. Manufacturer or supplier warranty on replaced components – depends on the specific part used.

Fast Arrival
Our technicians arrive promptly to address your needs quickly.

On-Site Repairs
99% of repairs can be completed during the first visit.

All Profiles & Brands
We work with all types of window and door profiles and manufacturers.

Convenient Payment
Pay by card, cash, or we can issue an invoice.
Brands we service
Locking Window Handle FAQ
Common questions about key-lock handle fitting
Key-lock handle for a PVC window starts from 85 zł including fitting. Models for wooden and aluminium windows from 100 zł. On-site diagnostics and quote are always free.