Windows

Where light comes home

Large windows open your home to daylight, calm and a wider view. We plan and install them properly — across Hannover and Lower Saxony.

Overview

A window installation in the Hannover region comprises an on-site measurement (Aufmaß), the removal of the old window and the professional installation according to RAL — usually one to two hours per window, depending on scope and building condition. VL-Innovativbau handles the entire process from a single source and advises on possible BEG funding. Request a free measurement appointment in Hannover and the surrounding area.

Light

More light, more life

A window is more than glass and frame. It decides how a room breathes — how much morning sun reaches the bedroom, how open the living room feels. We plan your windows so daylight becomes a natural part of your day.

Calm

A quiet you can feel

When the right window closes, the noise of the street stays outside. What remains is a calm felt throughout the house — and in winter, warmth that stays where it belongs.

Selection

The right shape for every opening

From the classic tilt-and-turn to floor-to-ceiling sliding doors — matched to your home and your style.

Tilt & turn

Tilt & turn

The versatile classic for any room.

Fixed glazing

Fixed glazing

An uninterrupted view and maximum daylight.

Lift-and-slide doors

Lift-and-slide doors

A flowing transition between inside and out.

Projects

Realised in Lower Saxony

Selected window projects from Hannover and the region.

Realised in Lower Saxony
Realised in Lower Saxony
Realised in Lower Saxony
Realised in Lower Saxony
Realised in Lower Saxony
Realised in Lower Saxony
Quality

Craft you can rely on

To us, premium has little to do with spec sheets — and everything to do with clean work that lasts for decades.

On-site survey & advice
We come to you, measure to the millimetre and advise honestly.
Professional installation
Clean, professional installation by our own team.
Efficient & funded
Modern glazing that keeps the warmth in — with funding guidance on request.
Personally reachable
One contact person, even years after installation.
FAQ

Frequently asked questions about windows

What does a new window with installation cost?+

The price depends on size, profile, glazing and installation situation, which is why we prepare an individual quote. After a free measurement in the Hannover region, you receive a binding offer including removal and installation. This way you only pay for what you really need.

How long does the window replacement take?+

The replacement usually takes one to two hours per window, depending on size and structural effort. With several windows, we plan the process so that your home is affected for as short a time as possible. We tell you the exact time frame after the on-site measurement (Aufmaß).

What funding is there in 2026 for new windows?+

For the window replacement, the BEG individual measure can be funded through the BAFA, in Hannover additionally the proKlima programme. The prerequisite is usually achieving specified U-values (Uw). We check your funding eligibility, the amount remains subject to funding approval.

Which U-value is required for funding?+

For the BEG funding of windows, fixed maximum values for the thermal transmittance (Uw) apply. We select profiles and glazing so that the required values are achieved, and document this for your application. We clarify the exact requirements individually in the consultation.

Do you also install in Hildesheim or Hameln?+

Yes. We install windows in Hannover, Hildesheim, Hameln, Stadthagen, Bad Münder and the wider Lower Saxony region. We also come to you for on-site measurement (Aufmaß) and installation for properties in the surrounding area.

Do you also offer soundproofing and security windows?+

Yes, we supply windows with increased soundproofing as well as with burglar-resistant fittings. Which features make sense depends on location and requirements and is discussed during the on-site measurement (Aufmaß). This way you receive a solution tailored to your home.

How does the window installation proceed?+

After the free on-site measurement (Aufmaß), we manufacture or order the windows to exact dimensions. On the installation day, we remove the old windows and install the new ones professionally according to RAL, including sealing. To conclude, we check function and tightness together with you.

Contact

Let's talk about your home

Free initial consultation and on-site survey — no obligation, in Hannover and the surrounding area.