ᐅ Floor plan for a 200 m² hillside house with a granny flat / secondary unit
Created on: 25 Jan 2022 11:00
M
moooooo32M
moooooo3225 Jan 2022 11:00Development Plan / Restrictions
Plot Size: 388sqm (4179 sqft)
Slope: Yes, facing northwest
Site Coverage Ratio, Floor Area Ratio: The architect has not provided details yet; we are building according to Paragraph 34
Building Envelope, Building Line and Boundary: Maximum house width 8.80m (29 ft), former house length of existing building 14m (46 ft)
Number of Parking Spaces:
Number of Floors:
Roof Style: Gable roof
Orientation: According to the slope, ridge also facing northwest
Client Requirements
Architectural Style, Roof Type, Building Type: Gable roof
Basement, Number of Floors: 2 levels,[/I]5 plus attic space
Number of Occupants, Ages: 5 persons (family members aged 32, 32, 5, and 2) plus 1 person (85) in an apartment unit
Space Requirements on Ground Floor, Upper Floor: Apartment approximately 50sqm (538 sqft), remainder about 150sqm (1615 sqft)
Office Use: Family use or home office? Office, since the occupants are teachers
Guest Stay Frequency per Year: Varies, but frequently family and friends from across Germany
Open Kitchen, Cooking Island: Open, preferably with a cooking island but not essential
Number of Dining Seats: 6-8
Fireplace: Not planned initially, possibly reconsidered due to KFW funding changes
Balcony, Roof Terrace: Potentially a small “roof terrace” above the apartment terrace would be nice, but not planned due to budget (great view)
Garage, Carport: There is an existing garage (built 1995) in an inconvenient location, which will remain for now
Additional Wishes / Special Features / Daily Routine, including reasons for decisions
The plot is heavily built up, so we have tried to identify spots with good views, which involved a lot of planning on my part. Good views are towards northeast and west
House Design
Who designed the plans:
Architect and do-it-yourself: Mainly my own design; the architect made changes, some of which we did not like (e.g., U-shaped staircase, arrangement of rooms difficult), so currently it is essentially a drawing based on my drafts with useful improvements from the architect
What do you particularly like? Why?
Staircase, integration of WC on the upper floor, loft door to the open space as a connection to the “stairwell.”
Entrance to the utility room to be placed under the stairs on the ground floor, shifting the wall of the apartment unit accordingly.
Children’s rooms are the same size, space-saving staircase to the attic (amazing view from there), use of attic as playroom and possibly guest accommodation.
Living room ceiling height increased to 2.70m (8 ft 10 in) planned on the upper floor.
What do you dislike? Why?
Entrance to the utility room still needs to be placed under the stairs on the ground floor, requiring adjustment to the apartment’s wall.
Windows generally need revision; in the living room facing west, possibly an “imitation corner window” (with support pillar) to maximize the view.
The kitchen window facing northeast should definitely be a seating window.
Price Estimate According to Architect/Planner:
Including groundwork, €540,000 (approximately $600,000), but originally planned with KFW 55 energy standard, which we missed submitting on time. Now we need to reconsider, as we actually wanted KFW 40 standard for the two residential units. 😡
Personal Price Limit for the House, Including Fixtures:
€540,000 would be ideal; preliminary estimates from contractors roughly match this.
Preferred Heating Technology: Planned heat pump with underfloor heating
If you have to give up on which details / expansions
-could you give up:[/I]
Attic later, glass door/loft door to living room later, no planned lift-and-slide doors or other fancy features
-cannot give up:
Wooden flooring, sufficient windows, wheelchair accessibility on the ground floor
Why is the design the way it is now?
Long iteration process on my part, partly inspired by Pinterest, but overall the external envelope is quite predetermined
What is the most important/fundamental question about the floor plan summarized in 130 characters?
Is there anything that doesn’t work? Have we missed anything? How about the window layout (still to be revised)? Does it make sense as the architect suggested? We even want to remove some windows (e.g., in the bedroom).
Plot Size: 388sqm (4179 sqft)
Slope: Yes, facing northwest
Site Coverage Ratio, Floor Area Ratio: The architect has not provided details yet; we are building according to Paragraph 34
Building Envelope, Building Line and Boundary: Maximum house width 8.80m (29 ft), former house length of existing building 14m (46 ft)
Number of Parking Spaces:
Number of Floors:
Roof Style: Gable roof
Orientation: According to the slope, ridge also facing northwest
Client Requirements
Architectural Style, Roof Type, Building Type: Gable roof
Basement, Number of Floors: 2 levels,[/I]5 plus attic space
Number of Occupants, Ages: 5 persons (family members aged 32, 32, 5, and 2) plus 1 person (85) in an apartment unit
Space Requirements on Ground Floor, Upper Floor: Apartment approximately 50sqm (538 sqft), remainder about 150sqm (1615 sqft)
Office Use: Family use or home office? Office, since the occupants are teachers
Guest Stay Frequency per Year: Varies, but frequently family and friends from across Germany
Open Kitchen, Cooking Island: Open, preferably with a cooking island but not essential
Number of Dining Seats: 6-8
Fireplace: Not planned initially, possibly reconsidered due to KFW funding changes
Balcony, Roof Terrace: Potentially a small “roof terrace” above the apartment terrace would be nice, but not planned due to budget (great view)
Garage, Carport: There is an existing garage (built 1995) in an inconvenient location, which will remain for now
Additional Wishes / Special Features / Daily Routine, including reasons for decisions
The plot is heavily built up, so we have tried to identify spots with good views, which involved a lot of planning on my part. Good views are towards northeast and west
House Design
Who designed the plans:
Architect and do-it-yourself: Mainly my own design; the architect made changes, some of which we did not like (e.g., U-shaped staircase, arrangement of rooms difficult), so currently it is essentially a drawing based on my drafts with useful improvements from the architect
What do you particularly like? Why?
Staircase, integration of WC on the upper floor, loft door to the open space as a connection to the “stairwell.”
Entrance to the utility room to be placed under the stairs on the ground floor, shifting the wall of the apartment unit accordingly.
Children’s rooms are the same size, space-saving staircase to the attic (amazing view from there), use of attic as playroom and possibly guest accommodation.
Living room ceiling height increased to 2.70m (8 ft 10 in) planned on the upper floor.
What do you dislike? Why?
Entrance to the utility room still needs to be placed under the stairs on the ground floor, requiring adjustment to the apartment’s wall.
Windows generally need revision; in the living room facing west, possibly an “imitation corner window” (with support pillar) to maximize the view.
The kitchen window facing northeast should definitely be a seating window.
Price Estimate According to Architect/Planner:
Including groundwork, €540,000 (approximately $600,000), but originally planned with KFW 55 energy standard, which we missed submitting on time. Now we need to reconsider, as we actually wanted KFW 40 standard for the two residential units. 😡
Personal Price Limit for the House, Including Fixtures:
€540,000 would be ideal; preliminary estimates from contractors roughly match this.
Preferred Heating Technology: Planned heat pump with underfloor heating
If you have to give up on which details / expansions
-could you give up:[/I]
Attic later, glass door/loft door to living room later, no planned lift-and-slide doors or other fancy features
-cannot give up:
Wooden flooring, sufficient windows, wheelchair accessibility on the ground floor
Why is the design the way it is now?
Long iteration process on my part, partly inspired by Pinterest, but overall the external envelope is quite predetermined
What is the most important/fundamental question about the floor plan summarized in 130 characters?
Is there anything that doesn’t work? Have we missed anything? How about the window layout (still to be revised)? Does it make sense as the architect suggested? We even want to remove some windows (e.g., in the bedroom).
M
moooooo3225 Jan 2022 11:56Since the existing building will be demolished, the area to be developed is almost level. Only the wall in front of the slope (concrete) needs to be filled in, as the existing structure extends deeper into the hillside.
The demolition is included in the land price but is exclusive otherwise. The more expensive offer from the general contractor (with fairly good specifications) is around 470,000 plus additional construction costs. Admittedly, the kitchen is extra; we have a buffer of 30,000 € that we may not use and could partly cover the kitchen costs.
Is this unrealistic?
Edit: By the 55 construction you mean the wall drawing? The KfW 40 standard is already marked here, which apparently will not be the case now. The additional costs would probably be in the top section.
The demolition is included in the land price but is exclusive otherwise. The more expensive offer from the general contractor (with fairly good specifications) is around 470,000 plus additional construction costs. Admittedly, the kitchen is extra; we have a buffer of 30,000 € that we may not use and could partly cover the kitchen costs.
Is this unrealistic?
Edit: By the 55 construction you mean the wall drawing? The KfW 40 standard is already marked here, which apparently will not be the case now. The additional costs would probably be in the top section.
The budget will not be sufficient.
There are missing measurements to make any comments. Always draw your existing and desired furniture to scale. Take movement spaces into account. This way, you are most likely to understand what fits.
How mobile is the 85-year-old person? How long (up to what level of disability) are they expected to live in the granny flat? What are your plans for the flat afterwards?
There are missing measurements to make any comments. Always draw your existing and desired furniture to scale. Take movement spaces into account. This way, you are most likely to understand what fits.
How mobile is the 85-year-old person? How long (up to what level of disability) are they expected to live in the granny flat? What are your plans for the flat afterwards?
Is the structural engineering already completed and included in the price?
Depending on the design of the rear wall and possibly the ceiling between the basement and the ground floor, as well as the foundation slab, your additional construction costs budget may be almost exhausted.
Depending on the design of the rear wall and possibly the ceiling between the basement and the ground floor, as well as the foundation slab, your additional construction costs budget may be almost exhausted.
M
moooooo3225 Jan 2022 12:02haydee schrieb:
The budget won’t be sufficient.
There are missing dimensions to say anything definite. Always draw your existing and desired furniture to scale. Consider movement space. This way, you can most easily see what fits.
How mobile is the 85-year-old person? How long (up to which level of disability) are they expected to live in the granny flat? What are your plans for the apartment afterward? I just wrote something about the budget above—any thoughts?
Most of the dimensions mostly match; in our view, the sofa is oversized, and the dining table at around 2.60 m (8.5 feet) in length is rather large as well.
The 85-year-old needs a walker, doors will be 1.00 m (3.3 feet) wide, and the bathroom includes roughly barrier-free clearance areas as far as I know. Unfortunately, I don’t have more detailed, dimensioned plans yet.
The apartment is intended to be rented out afterward, which is why there is, among other things, a separate entrance.
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