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For an extension on a terraced house, a wall-abutting lean-to is usually the best roof lantern: the high side meets the old rear wall and light falls exactly on the darkest spot.
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For an extension on a terraced house, a wall-abutting lean-to is usually the best roof lantern: the high side meets the old rear wall and light falls exactly on the darkest spot. Because a terraced house has neighbours on both sides, the boundary, the wall connection and agreements with the neighbours also matter.
A terraced house only gets light through the front and rear walls. Build an extension at the back and the rear wall moves out a few metres. The old living room then sits in the middle of the house and becomes noticeably darker.
A roof lantern in the extension roof makes up for that. Daylight comes from above and reaches into the old room. More ideas are in making a dark living room lighter.
With an extension on a terraced house, it makes sense to place the roof lantern directly against the old rear wall. That is where light is needed most. The wall-abutting lean-to roof lantern is made for this: the high side meets the wall, with overhead and side light.
The connection uses a wall abutment profile plus an EPDM lead substitute or a zinc flashing. You receive the right profile for your wall type. How zinc works is explained in connecting a roof lantern with zinc.
An extension on a terraced house often sits on or close to the boundary. The roof lantern does not have to run the full width. A strip of solid roof on both sides leaves room for the roof edge, drainage and the connection with the neighbours.
Talk to the neighbours beforehand. Work on the boundary, a shared wall or scaffolding on their land needs clear agreements. If the neighbours look down on your roof lantern from upstairs, frosted glass or solar control glass can help. For the extension itself, check with the council whether a permit is needed, see permits for a roof lantern.
Yes, if the roof lantern sits in the roof away from the wall. If you want it directly against the rear wall, the wall-abutting lean-to is the right type, because it includes the wall connection. The difference is explained in lean-to or wall-abutting lean-to.
For a roof lantern in your own roof usually not, although it is courteous to let them know in advance. Permission is needed if work takes place on or over their land, or on a shared wall. Clear agreements beforehand prevent trouble afterwards.
A wall-abutting lean-to roof lantern starts at €1,689, made to measure and including upstand and connection profiles. The price for your size and glazing choice arrives in your quote within 24 hours.
Send a photo or sketch with dimensions. Within 24 hours you receive a quote with glazing options, lead time and price.
Request a quote Get in touchA few questions, a photo or the dimensions, and we will prepare a tailored quote. Prefer to call: +31 342 223 190.
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