Price of Installing A Skylight 2024

Do you want more light in your extension, shed or garage? Discover here the average price for installing a flat skylight by a professional.

Installing a skylight:

Would you like more light in your home? Then choose a convex or flat skylight. Not only do you get more light and fresh air. You also save on energy costs, because you don’t have to turn on the light as often during the day.

To install a skylight, a hole is required in the flat roof of your extension. Making a hole and placing the skylight is a complicated job. If you do this yourself, you run the risk that the construction is not waterproof. That is why it is best to hire a professional for this job. In addition to the material costs, you also pay for the hours that the professional is working. The professional determines his price on the basis of the following parts.

• New installation or replacement of the dome
• Roof material (wood or concrete)
• Inside finish
• Exterior finish

For placing the skylight (including purchase) you have to take into account an amount between $ 650 and $ 3,000. A professional can give you a specific price for taking the job. This way you will not be faced with surprises.

What is the average price of a skylight?

In addition to the costs for the professional, you pay a price for the skylight. The price of a skylight depends on the size, brand, material, wall thickness and version.

• Size

The size of the skylight naturally depends on the size of your roof, but also on the amount of light you need. Is the skylight the only natural light source? Then you need a larger skylight than if there are already four windows in the room. Which size you choose also has to do with your budget. The larger the skylight, the higher the costs.

• Velux skylight or Fakro, illume or Ezylite?

There are different brands of skylights. Which brand you choose has an effect on the price of the skylight. On the market are domes of Velux, Fakro, Illume or Ezylite. Be well informed which skylight fits on your roof.

• Glass or plastic dome?

You can choose glass or plastic for the material of the dome. It is often advisable to opt for a plastic skylight. The material is stronger than glass. Depending on the type of plastic, the material is up to 250 times stronger than glass. Very safe. With a plastic dome you can choose a milky-white skylight. With these domes you are less bothered by the sun. These domes also give you more privacy. Handy when you have neighbors upstairs. In general, the prices for a transparent and milky-white skylight are the same. You do pay higher costs the stronger the plastic.

A glass skylight is the most expensive and the least strong. And although most people go for a plastic dome, this certainly does not apply to everyone. For example, some people choose glass because a glass dome has a more elegant look. In addition, glass insulates the heat better. You also better keep out unwanted sounds with glass. So it depends on several factors whether a glass dome suits you.

• Dome: single-walled, double-walled or triple-walled?

With a roof dome you can choose different wall thicknesses. The thicker the wall, the higher the price. The thickness that suits your skylight mainly has to do with the insulation. As a rule, it is therefore smart to consult with the professional where the dome will be located. He can then advise you which insulation is needed.

A single-skinned roof dome is moderately insulating and is especially suitable for rooms that do not need to remain continuously warm, such as the garage. With a double-walled skylight you get good insulation. This prevents unnecessary heat loss through the dome. The three-walled skylight is best insulated. When you choose this variant, the warmth stays inside and the cold outside in winter. In the summer that is exactly the other way around.

• Performance

The design of the skylight also determines the price of the purchase. You can choose a fixed dome, one that you open manually or an electric dome. Are you placing the dome in an area with few ventilation options? Then choose a model that you can open. This way you still bring enough fresh air into the room. You can open the dome manually, but you can also do this electrically. Do you choose an electric control? Then you can plan when the dome should open and close. This way you always keep fresh air in the room. Of course, the models that open can be more expensive than the fixed domes.

• Convex or flat skylight?

In the version you can also choose between a flat or a convex dome. If you want a flat dome light, you automatically choose a glass dome. This material is more expensive than the plastic of the convex dome. A flat dome is also a lot heavier than a convex dome. You notice this in the costs for transport, but also in the costs for assembly. Also, not every roof is suitable for a flat skylight due to the high weight. When choosing the type of dome, do not let yourself be guided by what you like. Discuss the options with the professional. This way you can make a good choice.

Skylights: New or replaced?

When making the price proposal, the professional first checks whether it is a new dome. If you want a new dome, the tradie has to make a hole in the roof. In this case, he often has to divert the beams on which the ceiling rests. This takes more time and therefore money than replacing an existing dome. This of course only applies if you also choose the same dimensions. If the new dome has a different size, the professional will also include this in the price.

Concrete or wooden roof?

The professional fixes the roof dome with screws in the roof. He generally uses security screws to prevent break-ins. Making a hole in a wooden roof is generally easy for a professional. In this case, the skilled person only has to divide a beam. With a concrete roof up to 25 centimeters thick, the craftsman can saw a hole in the ceiling. When the roof is thicker, it needs a diamond drill or saw. This tool is expensive and you will notice this immediately in the costs.

Inside finish

Are you having a new skylight installed? Then you should not only think about placing the dome, but also about the finish inside. You can have the ceiling plaster again or at least hire a painter. This way, the skylight looks neat not only on the outside, but also on the inside.

• Curious about the costs for the plaster of your ceiling? Skilled Tradies has listed the costs for you.
• Do you want to have your ceiling painted? Discover the average costs here.

Finally, you can also choose to darken the dome when finishing the dome. For example, by choosing milky white plastic or blackout curtains.

Exterior finish

The professional installs the skylight on the roof with a so-called roof curb. A curb prevents water from remaining on the roof. You can choose a wooden, PVC or polyester curb. Wood is the cheapest, but also lasts less. Wood tears faster and increases the chance of leakage. PVC is cheaper than polyester, but it also insulates less well. Therefore, always be well informed by a professional.

After placing the skylight and the roof curb, the tradesman finishes the roof. To make the dome completely waterproof, the professional opts for waterproof sealant, bitumen or EPDM. This work is included in the price.

Before the professional starts installing the skylight, he inspects the roof and the roof covering. Is the roof due for replacement? Then he advises you to replace the entire roof covering. You will receive an estimate of the costs in advance.