ᐅ Retaining Higher-Level Neighboring Properties: L-Shaped Retaining Walls and Tips

Yaso2.0 schrieb:
The problem is not so much the heights themselves, but the fact that I need/want to support without affecting the neighboring areas.

How much of your property are you able to allocate for support?

Yaso2.0 schrieb:

Did you go with the anthracite ones and exposed concrete on the inside?

And could you share how much they cost roughly?

No, I’m doing everything in gray to create some contrast with the driveway (anthracite). Otherwise, it would all blend together too much... 😉

Unfortunately, I can’t provide too many details on the price, sorry. A 1.5-meter (5 feet) version with exposed concrete inside costs around €220 each. But of course, it’s something that lasts a lifetime...

Unfortunately, I am very busy with work, so I can't visit here very often..;)

WilderSueden schrieb:

How much of your property are you willing to sacrifice for interception?

We want to give up as little space as possible due to the small size of the property. Especially because this is an expensive investment, and a wall like this can’t just be undone easily if we don’t like it.

Originally, we had the idea that user @BBaumeister suggested here.

Just as an idea: What do you think about placing the L-shaped concrete block one meter (3 feet) away from the neighbor’s boundary and then building a type of raised planter one meter (3 feet) wide on top of it? You can nicely plant it, and the concrete block’s base would sit completely on your property.

However, since we only have a setback of 3.70 m (12 feet) on the south side, and at least 1.20 m (4 feet) would have to be given up for the idea mentioned above, the wall would then stand only 2.5 m (8 feet) from the house—which feels too close to me.. 🙁

jaenno1 schrieb:

Such a 1.5-meter (5 feet) wall costs around €220 each with the visible side inside. But of course, it's also something for life..

Thank you very much for your reply.

I sent the flyer from EHL to the companies I contacted, because so far NONE of them were familiar with the angle block with the visible side facing inside..

How high is the house now? Finished floor level of the ground floor and the terrace?

Yaso2.0 schrieb:

Since we only have a setback of 3.70 meters (12 feet) on the south side, and at least 1.20 meters (4 feet) would have to be allocated for the idea mentioned above, the wall would only stand 2.5 meters (8 feet) away from the house, which feels too close to me.. 🙁

I can understand that; nobody wants to give up any land. But it won’t work without giving some space.
If you have limited space, I would tend to recommend a heavyweight retaining wall. Using L-shaped blocks for height, you lose almost a meter (3 feet) because of the footing. Blocks measuring 40 x 40 x 80 cm (16 x 16 x 32 inches) could be stacked three high, but probably with about 60 cm (2 feet) of space loss. Since the joints are permeable to water, you can also save some space on drainage behind it.
Alternatively, something cast in place on site could also work. Where we usually go on vacation, a neighbor has built one right on the boundary. However, you lose about half a meter (1.5 feet) there too, because a drainage strip is needed behind it.