Skylights in Alkmaar

A roof window brings daylight to places where a facade window cannot reach, and on a flat roof, a skylight does the same. What matters for both is the installation: the surrounding leadwork determines whether it will still be dry in fifteen years. We install new ones and replace existing ones.

Roof window or skylight in Alkmaar? We ensure a watertight installation with correct leadwork.

Free & no-obligation quote

Clarity regarding costs and work within three hours.

Why a skylight requires craftsmanship

A skylight is a hole in your roof, and every hole is a potential leak point. The window itself is usually not the problem; the connection around it is. The flashing at the top, the side connections, and the way the surrounding tiles are laid determine where the water goes. That is roofing work, not carpentry.

With older roof windows, we often see that it is not the glass but the seals and leadwork that are worn out. In that case, replacing the connection is sufficient, and the entire window does not need to be removed. Condensation between the glass, however, is a sign that the window itself needs replacing, as this indicates that the double glazing is leaking.

Roofing Specialist Alkmaar - Who we are

3 steps to a skylight

View our working method

Step 01

Inspection and advice

We examine the roof, the location, and the type of window that fits.

Step 02

Quote

You receive a fixed price, including the leadwork and interior finishing.

Step 03

Installation and delivery

We install the window and make the connection watertight.

What does a skylight on?

Choose daylight

Daylight from above works differently than light through a facade window. This is the result.

Twice as much light

Light from above spreads more evenly than light through a window in the facade.

Ventilation in the attic

An opening skylight removes warm air where it collects.

Attic becomes living space

For a bedroom in the attic, daylight is often a structural requirement.

Also usable on the north side

Where a facade window lets in hardly any light, a skylight does.

Less maintenance

Smaller intervention, fewer connections, and therefore fewer areas requiring attention.

Where would a skylight fit for you?

We will come and take a look and advise on location, size, and type.

Skylights - Roofer Specialist Alkmaar

We work with premium brands

We work exclusively with proven quality brands, so that your roof lasts for years without any worries.

How much does a cost Installing a skylight?

Clear pricing

The price depends on the size, the type of window, whether it involves new installation or replacement, and the interior finish you desire. New installation requires more work because a track needs to be interrupted. Replacing in an existing opening is considerably faster. You will receive a fixed price after the free inspection.

When is a skylight due for replacement?

Good to know

Condensation between the glass panes means the glazing is leaking, and replacement is the only option. Drafts along the edges, hardened seals, or a window that opens stiffly can often still be remedied. Leakage around the window is usually caused by the leadwork and not through the window itself, so we look there first.

Everything about a skylight in Alkmaar

More questions? Contact us

Questions about a skylight in Alkmaar? You will find the answers below.

Usually not. Leakage With a skylight, water enters more often through the leadwork and the connection to the tiles than through the window itself. We first examine where the water is actually coming in.

Generally not, especially at the rear. The rules are different for a protected cityscape or a monument. We check that in advance.

Not as a skylight, but as a light dome or daylight system. This works with an upstand around the opening. We will discuss which variant suits your roof.

We usually replace an existing opening in half a day. Installing a new window takes a full day, because a track needs to be interrupted and supported.

Then the double glazing is leaking and the leak will not go away. The glass or the entire window must then be replaced. Call `085 109 8103for an inspection, then we will see which of the two is needed.

Do you have a question that is not listed here?

Contact us or call us

What do our say customers

Google reviews

What comes up most often: that the cause is thoroughly investigated, that everything is explained calmly, and that the roof is left clean and tidy.

5.0
Based on 7 reviews
google

Pleasant and efficient roofer who immediately replaced the worn-out lead flashing at the chimney.

Ruud Hendriks October 24, 2026
google

We had two skylights replaced with larger ones and renewed the gutters on that side at the same time. The team worked for three days, and the result is exactly what we had in mind. We already notice a difference in the amount of natural light, and the gutters slope perfectly.

Sophie de Vries October 5, 2026
google

Our skylight no longer closed properly and moisture was coming in when it rained. They repaired it expertly and immediately replaced the seal all around.

Virendra October 1, 2026

More daylight in your attic?

Request a free inspection. We will look at the site, advise on size and type, and then provide you with a fixed price including finishing.

Free & no-obligation quote

Receive a response within three hours.

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