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alphawave22 Apr 2017 13:44Hello community!
I recently joined because I need help planning and implementing an extension of my garage or an attached carport. I hope I have chosen the right subforum.
A bit of background: Two years ago, we bought a detached single-family house. On the property, there is a prefabricated garage that borders neighbor A’s garden boundary. On another side, adjacent to neighbor B, there is a carport. Both are accessed via a private driveway. My wife parks her car under the carport, and I park mine in the garage. So far, everything has been fine. Now, I spontaneously bought a motorboat on a trailer because it was a very good deal. I initially rented a parking space 15km (9 miles) from home. Since behind the garage there is only a dense jungle-like area, and I would like to use that space as well as park the boat at the house, I want to either extend the garage or build a carport behind it. Unfortunately, I cannot set up a parking spot beside the garage or elsewhere on the property.
My plan: The boat trailer is 6 m (20 feet) long, and the garage is about 5.60 m (18 feet) long. My first idea was to remove the rear wall of the garage and extend it, for example, using sand-lime bricks. I have pretty much given up on this idea because it would be difficult or impossible to carry out without an architect, structural engineer, building authority approval, and the neighbor’s consent (since it would exceed 9 m (30 feet)), and probably not feasible to do as a DIY project.
My new idea is to install a second sectional door in the garage’s rear wall and build a carport behind the garage. This way, I could roll the trailer through the garage into the carport.
To clarify, I have created some sketches:
Current situation: neighbor’s garden borders behind the fence
Plan with the carport behind the garage:
Rear view:
Now to my questions:
Is it possible to remove the garage’s rear wall and install a second door without compromising stability? Do I need building authority approval for this modification?
I will probably also need a building permit (planning permission) for the carport. But do I need the neighbor’s (written/offical) consent? I assume the maximum length of 9 m (30 feet) applies to a “continuous” garage? If I buy a prefabricated carport for self-assembly, I wouldn’t need an architect or structural engineer, right?
I would be very grateful for your help.
Best regards
I recently joined because I need help planning and implementing an extension of my garage or an attached carport. I hope I have chosen the right subforum.
A bit of background: Two years ago, we bought a detached single-family house. On the property, there is a prefabricated garage that borders neighbor A’s garden boundary. On another side, adjacent to neighbor B, there is a carport. Both are accessed via a private driveway. My wife parks her car under the carport, and I park mine in the garage. So far, everything has been fine. Now, I spontaneously bought a motorboat on a trailer because it was a very good deal. I initially rented a parking space 15km (9 miles) from home. Since behind the garage there is only a dense jungle-like area, and I would like to use that space as well as park the boat at the house, I want to either extend the garage or build a carport behind it. Unfortunately, I cannot set up a parking spot beside the garage or elsewhere on the property.
My plan: The boat trailer is 6 m (20 feet) long, and the garage is about 5.60 m (18 feet) long. My first idea was to remove the rear wall of the garage and extend it, for example, using sand-lime bricks. I have pretty much given up on this idea because it would be difficult or impossible to carry out without an architect, structural engineer, building authority approval, and the neighbor’s consent (since it would exceed 9 m (30 feet)), and probably not feasible to do as a DIY project.
My new idea is to install a second sectional door in the garage’s rear wall and build a carport behind the garage. This way, I could roll the trailer through the garage into the carport.
To clarify, I have created some sketches:
Current situation: neighbor’s garden borders behind the fence
Plan with the carport behind the garage:
Rear view:
Now to my questions:
Is it possible to remove the garage’s rear wall and install a second door without compromising stability? Do I need building authority approval for this modification?
I will probably also need a building permit (planning permission) for the carport. But do I need the neighbor’s (written/offical) consent? I assume the maximum length of 9 m (30 feet) applies to a “continuous” garage? If I buy a prefabricated carport for self-assembly, I wouldn’t need an architect or structural engineer, right?
I would be very grateful for your help.
Best regards
Just search for boundary construction regulations in NRW.
You are allowed to build up to 15 meters (49 feet) along the property boundaries, with a maximum of 9 meters (30 feet) in a continuous section.
You already have a carport of 6 meters (20 feet) and a garage of 5.60 meters (18 feet 4 inches), which adds up to 11.60 meters (38 feet 1 inch).
So you can still extend by 3.40 meters (11 feet 2 inches) on one side or the other.
You are allowed to build up to 15 meters (49 feet) along the property boundaries, with a maximum of 9 meters (30 feet) in a continuous section.
You already have a carport of 6 meters (20 feet) and a garage of 5.60 meters (18 feet 4 inches), which adds up to 11.60 meters (38 feet 1 inch).
So you can still extend by 3.40 meters (11 feet 2 inches) on one side or the other.
alphawave schrieb:
I will probably need a building permit / planning permission for the carport as well. But no (written/official) consent from the neighbor, right? I think the maximum length of 9m (30 feet) applies to a "continuous" garage? The regulation does not apply to individual components but to the boundary of the building plot. Therefore, the lengths are added together; otherwise, the rule would make no sense, because everyone could fully develop their plot with components each up to 9m (30 feet) long.
So unless the building authority is completely inattentive, you will need a corresponding easement from the neighbor for the project. If the other separate garage is 6m (20 feet) long, the boundary development adds up to 6m (20 feet) existing + 5.6m (18 feet) existing + 6m (20 feet) new carport = 17.6m (58 feet). The allowed length is 15m (49 feet), so you will need an easement on the neighboring property, adjustable within the old/new boundary development, measuring L x W = 2.6m x 3m (8.5 feet x 10 feet).
Best regards
Dirk Grafe
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alphawave22 Apr 2017 21:09Thank you for your answers! I must have misunderstood. I thought that a maximum of 15 meters (50 feet) could be built along a property boundary. Yes, the existing carport is about 6 meters (20 feet) long. If I understand correctly, I would only need an easement from the adjacent neighbor where the new carport is to be built, along with a building permit / planning permission, to carry out the construction? In this case, would the property also need to be surveyed?
I have heard that vehicles with a green license plate (which applies to the boat trailer) may have different rights and regulations—does this affect building regulations at all?
My other option would be to build an uncovered parking space behind the garage, for example just a paved area and possibly a removable tent roof. What would the legal situation be in this case? And is it even possible to remove the rear wall of the garage and install a second door there? I hope I’m not overwhelming you with my questions, but I am really new to building regulations.
Thank you very much.
I have heard that vehicles with a green license plate (which applies to the boat trailer) may have different rights and regulations—does this affect building regulations at all?
My other option would be to build an uncovered parking space behind the garage, for example just a paved area and possibly a removable tent roof. What would the legal situation be in this case? And is it even possible to remove the rear wall of the garage and install a second door there? I hope I’m not overwhelming you with my questions, but I am really new to building regulations.
Thank you very much.
alphawave schrieb:
If I understand correctly, do I only need an encumbrance from the adjoining neighbor where the new carport will be built, as well as a building permit, to carry out the project? You understood that correctly.
alphawave schrieb:
Would the property also need to be surveyed in this case? That depends.... But I don’t want to make it too complicated, as in 99% of cases a boundary survey is not required must. However, since you are building on the boundary, a building layout survey is highly recommended. Because of the encumbrance, you will need to involve a licensed surveyor anyway.
alphawave schrieb:
Or does it not affect building regulations? No. The building authority does not care what type of vehicle is parked under the roof.
alphawave schrieb:
A kind of removable tent roof. How does that stand legally? That’s a gray area. As long as it doesn’t disturb the neighbor. Otherwise, your neighbor could keep records of how often and how long the tent roof is up or down and report a building violation. If you never remove it, it would be considered a permanent structure and could require a permit.
alphawave schrieb:
And is it even possible to remove the rear wall of the garage and install a second door? That question can probably only be answered by a structural engineer on site.
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alphawave25 Apr 2017 09:42Hello and thank you very much for the detailed answer. I think that regarding the project of extending the garage with a carport, I have now settled on just a simple parking space behind the garage. I would probably just create an area with grass pavers or possibly paving stones behind the garage and also skip the pitched roof. Do I still need to get approval for this parking area or report it anywhere?
Best regards
Best regards
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