Hello everyone,
we are about to purchase a plot of land and are wondering if we might be buying into a problematic situation.
Our future plot is located in a newly developing residential area. Currently, the infrastructure work is underway, and the sewage gullies have already been installed. When the gullies were put in, we noticed that our entire plot area (approximately 27 x 24.5 meters, 663 m² (7,130 ft²)) is about 40 cm (16 inches) below the future street level. Our concern is whether we will have to raise the entire plot by 40 cm (16 inches). Is this really necessary, or does the fill only need to be applied beneath the foundation slab? The planned building footprint is around 160 m² (1,722 ft²).
To clarify, I’m attaching some pictures of the current situation. The gully is located in what will be our driveway, and the green area is the future plot, adjacent to the neighboring house.
What preparatory work would need to be done in this case, and what kind of costs might one expect?
Best regards,
Timo3092
we are about to purchase a plot of land and are wondering if we might be buying into a problematic situation.
Our future plot is located in a newly developing residential area. Currently, the infrastructure work is underway, and the sewage gullies have already been installed. When the gullies were put in, we noticed that our entire plot area (approximately 27 x 24.5 meters, 663 m² (7,130 ft²)) is about 40 cm (16 inches) below the future street level. Our concern is whether we will have to raise the entire plot by 40 cm (16 inches). Is this really necessary, or does the fill only need to be applied beneath the foundation slab? The planned building footprint is around 160 m² (1,722 ft²).
To clarify, I’m attaching some pictures of the current situation. The gully is located in what will be our driveway, and the green area is the future plot, adjacent to the neighboring house.
What preparatory work would need to be done in this case, and what kind of costs might one expect?
Best regards,
Timo3092
Don’t panic!
What kind of terrain is that? Is the “construction road” in the middle?
You don’t have to do anything. The plot does not have to be at the same level as the street. There can be advantages, but if you look closely, many plots are a bit lower or slope away from the street.
What would a plot on the downhill side of a hill say?
So: do whatever you want, not what you have to do.
Those of us living on flat land shouldn’t panic. Many build the house about 30-40 cm (12-16 inches) higher as a precaution and then have 2-3 steps at the front door.
So: everything’s fine!
Anything else you should discuss with your building partner.
Timo3092 schrieb:
By installing the drains, we noticed that our entire plot (approx. 27 x 24.5 m) 663 sqm (approx. 7,134 sq ft) lies about 40 cm (16 inches) below the future street level.
What kind of terrain is that? Is the “construction road” in the middle?
Timo3092 schrieb:
Our concern now is that we might have to raise the entire plot height by 40 cm (16 inches).
You don’t have to do anything. The plot does not have to be at the same level as the street. There can be advantages, but if you look closely, many plots are a bit lower or slope away from the street.
What would a plot on the downhill side of a hill say?
So: do whatever you want, not what you have to do.
Timo3092 schrieb:
Is this really necessary, or does only the area under the foundation slab need to be filled?
Those of us living on flat land shouldn’t panic. Many build the house about 30-40 cm (12-16 inches) higher as a precaution and then have 2-3 steps at the front door.
So: everything’s fine!
Anything else you should discuss with your building partner.
Snowy36 schrieb:
So I raised the ground level because I didn’t want to be underneath the road – heavy rain speaks for itself.
But it didn’t cost a fortune.Isn’t soil often dumped for free at so many construction sites? Only the transport and filling cost something. If you know the right people, 1-2 cases of beer plus a barbecue evening :-)
H
hampshire14 Aug 2021 17:28Calculate how an excavation for a basement would be distributed across your own property.
I would discuss with the construction company how to solve this, as the slope of the sewer line is crucial.
Personally, I would prefer the building to be above street level, by about 20cm (8 inches). This way, you don’t need steps, and you can gently slope the paving down toward the street.
If I were building without a basement, I would build slightly higher than the street. Around the areas planned for a garden, I would raise the ground using surplus soil from other construction sites up to 20cm (8 inches) below the lawn surface. The top few centimeters would be filled with topsoil.
For the terrace, carport, or paved areas, no topsoil is necessary. Instead, a mineral mix or gravel base should be used.
Personally, I would prefer the building to be above street level, by about 20cm (8 inches). This way, you don’t need steps, and you can gently slope the paving down toward the street.
If I were building without a basement, I would build slightly higher than the street. Around the areas planned for a garden, I would raise the ground using surplus soil from other construction sites up to 20cm (8 inches) below the lawn surface. The top few centimeters would be filled with topsoil.
For the terrace, carport, or paved areas, no topsoil is necessary. Instead, a mineral mix or gravel base should be used.
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