ᐅ Floor plan design for a single-family house on a hillside, with a separate apartment and a double garage
Created on: 15 Mar 2021 08:16
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Andreas94
Good morning, dear forum members,
We received the first draft of our single-family house over the weekend and are initially very pleased 🙂
We would like to share the first sketches here to get feedback from experienced homebuilders.
A few notes:
Due to the slope of the plot, we will build with a basement. It will house a separate apartment / my wife’s naturopathic practice.
A home office on the ground floor or attic is essential as I regularly work from home (even before the pandemic).
We are currently planning a house for 3 children. Additional space could be created by expanding over the garage.
The heating system will be a ground-source heat pump. Our plot measures approximately 1200 m² (0.3 acres).
Regarding the cost calculation, I want to provide some information. We received the following estimates from the planner:
KfW 55 house
Residential building: 1,145.917 m³ (40,462 ft³) x €350/m³ = €401,070.95
Garage: 511.66 m³ (18,060 ft³) x €175/m³ = €89,541.55
Additional construction costs: €30,000
The calculated costs for the residential building do not include expenses for interior fittings. Owner’s contributions are also not included.
I look forward to your feedback on the floor plans.
Critical comments are explicitly welcome 🙂
We received the first draft of our single-family house over the weekend and are initially very pleased 🙂
We would like to share the first sketches here to get feedback from experienced homebuilders.
A few notes:
Due to the slope of the plot, we will build with a basement. It will house a separate apartment / my wife’s naturopathic practice.
A home office on the ground floor or attic is essential as I regularly work from home (even before the pandemic).
We are currently planning a house for 3 children. Additional space could be created by expanding over the garage.
The heating system will be a ground-source heat pump. Our plot measures approximately 1200 m² (0.3 acres).
Regarding the cost calculation, I want to provide some information. We received the following estimates from the planner:
KfW 55 house
Residential building: 1,145.917 m³ (40,462 ft³) x €350/m³ = €401,070.95
Garage: 511.66 m³ (18,060 ft³) x €175/m³ = €89,541.55
Additional construction costs: €30,000
The calculated costs for the residential building do not include expenses for interior fittings. Owner’s contributions are also not included.
I look forward to your feedback on the floor plans.
Critical comments are explicitly welcome 🙂
Myrna_Loy schrieb:
The change of use must also be reported to the building authority and the conflict between KfW funding and workspaces can become tricky, especially when filing the tax return. I don’t know what experience you’ve had with the tax office. But an immediate repayment and a fine are probably the least severe penalties. There could be a tax fraud investigation.
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Andreas9417 Mar 2021 12:05Myrna_Loy schrieb:
That's not so easy – parking spaces need to be demonstrated when applying for the building permit / planning permission. And I won’t say anything about subsidy fraud.This has been clarified with the building authority. Accordingly, we have to designate two parking spaces for the "house." Not two per dwelling unit. Therefore, the design here would be sufficient.
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Andreas9417 Mar 2021 12:12Myrna_Loy schrieb:
Are the rooms in the basement actually wheelchair accessible? As far as I know, this is a requirement for approval as rooms used for a health profession. The change of use also needs to be reported to the building authority, and when it comes to tax declarations, conflicts between KfW funding and workspaces can become tricky. We initially thought we had to build the basement to be wheelchair accessible. However, this is not a requirement for a future practice. This surprised us, but in this case, it works to our advantage. If we later rename a "granny flat" to a "practice," I haven’t come across anything contradicting that yet. I will double-check this and ask KfW directly about this question.
Thanks for the tip.
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Myrna_Loy17 Mar 2021 12:15Andreas94 schrieb:
This was clarified with the building authority. We therefore need to provide two parking spaces for the "house."
Not two per residential unit. According to this, the design here is sufficient. You must officially register the rooms intended for use as a medical practice as commercial space – which usually requires proof of parking spaces. I believe that for appointment-only clinics without walk-in patients, two parking spaces are required, which must be clearly marked and kept available.
Schimi179117 Mar 2021 12:24A friend of mine has set up a small hair salon in the basement. I am wondering whether similar considerations regarding parking spaces, etc., have been taken into account. Nothing is specifically designated there.
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Myrna_Loy17 Mar 2021 12:25Andreas94 schrieb:
We initially thought that we had to build the basement level completely accessible. However, this is not a requirement for a future medical practice. We were surprised too, but it actually works in our favor in this case.
I haven’t read anything that would contradict the idea of later changing a "granny flat" to a "practice."
I will double-check here and also ask this question directly to KFW.
Thanks for the tip. You want to build in Bavaria, right? The building code clearly requires accessibility for medical practice rooms. BayBO Article 48 Accessible Building.