Hello dear house-building forum!
I have already done a lot of reading but still haven't found a suitable solution or optimization for our single-family home. Maybe you can help me further?!
First, some details about our single-family home:
Development plan/restrictions
Plot size – 890 sqm (9579 sq ft)
Slope – no
Site coverage ratio – ?
Floor area ratio – 0.4
Building envelope, building line, and boundary – building line is 6 m (20 ft)
Edge development?
Number of parking spaces – garage for 1 car
Number of floors – 1
Roof type – any
Architectural style – bungalow area, old house still standing, will be completely demolished
Orientation – ?
Maximum heights/limits:
- Ridge height max. 9 m (29.5 ft) measured from the top of the foundation
- Eaves height of the single-story main structures must not exceed 2.75–3.00 m (9.0–9.8 ft) (measured from top of foundation to bottom edge of gutter)
- Roof extensions allowed up to max. 2/5 of the eaves length
Other requirements – originally a designated bungalow area
Client requirements
Style, roof shape, building type – single-family home modern, pitched roof, solid construction
Basement, floors – no basement, ground floor, first floor, finished attic
Number of people, ages – 3–4 / 30, 31, 1 year
Space needed on ground and upper floors – 80–90 sqm (860–970 sq ft)
Office: family use or home office? No office but a guest room with a desk
Number of overnight guests per year – 20–30
Open or closed layout? ?
Conservative or modern construction? Rather modern
Open kitchen, kitchen island? Both
Number of dining seats – 6–8
Fireplace – yes
Music/stereo wall – yes, in a small version
Balcony, roof terrace – no
Garage, carport – garage with sauna and small lounge area, space for DIY/workshop
Utility garden, greenhouse – no
Other wishes/special features/daily routine, including reasons why this or that should or should not be included: Utility room is intentionally on the east side because daylight in the guest room and guest bathroom was more important to us. The sauna is intentionally located in the 2.20 m (7.2 ft) high garage because we want direct access to the garden.
House design
Who planned it: self-drawn, architect digitized. BUT: so far only the dimensions are set, interior walls, windows, and furniture are partially not yet in the correct positions!
-Planner from a construction company: no
-Architect: yes
-Do-it-yourself: all
What do you particularly like? Why? We think we have a coherent flow for everyday living but are still open to improvements and tips for saving space
What don’t you like? Why? Solution in the garage with sauna, first floor: master bedroom with dressing room, which should be able to fit at least 2 wardrobes of 3 m (10 ft) each
Price estimate according to architect/planner: 320,000
Personal price limit for the house, including equipment: 300,000
Preferred heating technology: heat pump with photovoltaics
If you had to give up something, which details/extensions
-Can you live without: we are open to suggestions
-Can’t live without: guest room, sauna, size of utility room
Why is the design the way it is now? E.g.
Standard design from the planner? Inspired by Viebrockhaus Maxime 800
Which wishes have been implemented by the architect? So far everything exactly as we drew it...
A mix of many examples from various magazines... no
What makes it in your view particularly good or bad? Good everyday workflow, short distances, all the rooms we want are accommodated
What is the most important/fundamental question about the floor plan summarized in 130 characters?
Can the rooms in the house still be optimized, e.g. on the first floor?
How can I fit a sauna with a small lounge area in the garage without feeling cramped?


I have already done a lot of reading but still haven't found a suitable solution or optimization for our single-family home. Maybe you can help me further?!
First, some details about our single-family home:
Development plan/restrictions
Plot size – 890 sqm (9579 sq ft)
Slope – no
Site coverage ratio – ?
Floor area ratio – 0.4
Building envelope, building line, and boundary – building line is 6 m (20 ft)
Edge development?
Number of parking spaces – garage for 1 car
Number of floors – 1
Roof type – any
Architectural style – bungalow area, old house still standing, will be completely demolished
Orientation – ?
Maximum heights/limits:
- Ridge height max. 9 m (29.5 ft) measured from the top of the foundation
- Eaves height of the single-story main structures must not exceed 2.75–3.00 m (9.0–9.8 ft) (measured from top of foundation to bottom edge of gutter)
- Roof extensions allowed up to max. 2/5 of the eaves length
Other requirements – originally a designated bungalow area
Client requirements
Style, roof shape, building type – single-family home modern, pitched roof, solid construction
Basement, floors – no basement, ground floor, first floor, finished attic
Number of people, ages – 3–4 / 30, 31, 1 year
Space needed on ground and upper floors – 80–90 sqm (860–970 sq ft)
Office: family use or home office? No office but a guest room with a desk
Number of overnight guests per year – 20–30
Open or closed layout? ?
Conservative or modern construction? Rather modern
Open kitchen, kitchen island? Both
Number of dining seats – 6–8
Fireplace – yes
Music/stereo wall – yes, in a small version
Balcony, roof terrace – no
Garage, carport – garage with sauna and small lounge area, space for DIY/workshop
Utility garden, greenhouse – no
Other wishes/special features/daily routine, including reasons why this or that should or should not be included: Utility room is intentionally on the east side because daylight in the guest room and guest bathroom was more important to us. The sauna is intentionally located in the 2.20 m (7.2 ft) high garage because we want direct access to the garden.
House design
Who planned it: self-drawn, architect digitized. BUT: so far only the dimensions are set, interior walls, windows, and furniture are partially not yet in the correct positions!
-Planner from a construction company: no
-Architect: yes
-Do-it-yourself: all
What do you particularly like? Why? We think we have a coherent flow for everyday living but are still open to improvements and tips for saving space
What don’t you like? Why? Solution in the garage with sauna, first floor: master bedroom with dressing room, which should be able to fit at least 2 wardrobes of 3 m (10 ft) each
Price estimate according to architect/planner: 320,000
Personal price limit for the house, including equipment: 300,000
Preferred heating technology: heat pump with photovoltaics
If you had to give up something, which details/extensions
-Can you live without: we are open to suggestions
-Can’t live without: guest room, sauna, size of utility room
Why is the design the way it is now? E.g.
Standard design from the planner? Inspired by Viebrockhaus Maxime 800
Which wishes have been implemented by the architect? So far everything exactly as we drew it...
A mix of many examples from various magazines... no
What makes it in your view particularly good or bad? Good everyday workflow, short distances, all the rooms we want are accommodated
What is the most important/fundamental question about the floor plan summarized in 130 characters?
Can the rooms in the house still be optimized, e.g. on the first floor?
How can I fit a sauna with a small lounge area in the garage without feeling cramped?
Climbee schrieb:
Is the storage room planned as a sauna? Ah!
Why not put the sauna on the upper floor? There you have a nice shower, a comfortable bed to rest, and space (for example, in the unused "backpack" area of the bedroom) Sorry Climbee, I forgot to mention that the storage room in the garage is the sauna. It has NO access to the garage, only to the garden and the guest toilet. The room will be subdivided to include a small workshop area (mini size), which in turn connects to both the garden and the sauna. I’ll look for a picture to show this!
What does the "double" staircase on the upper floor mean?
What is the backpack in the bathroom next to the bathtub?
As I said, I would move the sauna to the upper floor, green the garage roof, and create an exit from the upper floor onto the green garage roof – this way, you can go outside after using the sauna without needing anything else. You will definitely need the storage room downstairs for bikes, children’s gear, and if you want to include a small workshop, it will be tight anyway.
Then I would consider placing the bedroom in the northeast and the bathroom in the northwest (or vice versa), with both children’s rooms above the dining/living area.
Am I right in seeing that there is another tiny open space from the hallway to the upper floor? What is that supposed to achieve besides transmitting noise? I’m a fan of open spaces; we have one ourselves, but if it’s no bigger than a shoebox, it just looks ridiculous and makes you feel like you’re standing in a chimney. With kids, I would rather avoid that because noise transmission becomes more noticeable, and this tiny open space doesn’t provide any visual or living-space benefit.
What is the backpack in the bathroom next to the bathtub?
As I said, I would move the sauna to the upper floor, green the garage roof, and create an exit from the upper floor onto the green garage roof – this way, you can go outside after using the sauna without needing anything else. You will definitely need the storage room downstairs for bikes, children’s gear, and if you want to include a small workshop, it will be tight anyway.
Then I would consider placing the bedroom in the northeast and the bathroom in the northwest (or vice versa), with both children’s rooms above the dining/living area.
Am I right in seeing that there is another tiny open space from the hallway to the upper floor? What is that supposed to achieve besides transmitting noise? I’m a fan of open spaces; we have one ourselves, but if it’s no bigger than a shoebox, it just looks ridiculous and makes you feel like you’re standing in a chimney. With kids, I would rather avoid that because noise transmission becomes more noticeable, and this tiny open space doesn’t provide any visual or living-space benefit.
W
WilhelmRo6 Nov 2019 10:24Melo_36 schrieb:
Our architect estimated 350€ per cubic meter... You have about 20 sqm (215 sq ft) less than we do – and the garage is roughly the same size.
20 sqm (215 sq ft) x 3 m (10 ft) = 60 m³ (2,119 ft³)
We have 1,250 m³ (44,132 ft³) – so you have about 1,150 m³ (40,610 ft³) * 350 = 400k€
No idea where your 300k€ come from then.
Best regards
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