ᐅ Floor plan of a single-family home with an optional accessory apartment
Created on: 24 May 2025 12:41
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Bauherr8899B
Bauherr889924 May 2025 12:41Hello dear community,
we are planning to build a single-family house and have already thought further ahead. We would like to be able to divide our house into two separate living units if needed. This way, an older child could move into the apartment above while we continue living on the ground floor, or we could rent out the upper unit if necessary. The ground floor should be accessible without barriers, with a shower in the bathroom. I would really appreciate your opinions on the floor plan I have drawn and any suggestions for improvement. Here is the floor plan:
we are planning to build a single-family house and have already thought further ahead. We would like to be able to divide our house into two separate living units if needed. This way, an older child could move into the apartment above while we continue living on the ground floor, or we could rent out the upper unit if necessary. The ground floor should be accessible without barriers, with a shower in the bathroom. I would really appreciate your opinions on the floor plan I have drawn and any suggestions for improvement. Here is the floor plan:
ypg schrieb:
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Bauherr889924 May 2025 13:42| Development Plan / Restrictions | |
| Plot Size | 395m² (4250 sq ft) |
| Slope | Nearly flat plot |
| Site coverage ratio | 98 - approximately 90m² (970 sq ft) considered for cost estimation |
| Floor area ratio | 98 - approximately 90m² (970 sq ft) considered for cost estimation |
| Building envelope, building line and boundary | Open building style |
| Edge construction | Allowed for carport |
| Number of parking spaces | 1 parking space required for single-family house</TD> |
| Number of floors | 2 full floors plus basement</TD> |
| Roof type | Flat roof with roof terrace</TD> |
| Architectural style | Cubus (cube-shaped modern style)</TD> |
| Orientation | See floor plan</TD> |
| Maximum height limits | 8m (26 ft)</TD> |
| Other requirements | |
| Homeowner Requirements | |
| Style, roof, building type | Urban villa</TD> |
| Basement, floors | 2 full floors; no basement</TD> |
| Number of residents, age | Family of 2 adults and 2 children</TD> |
| Space requirements on ground floor (GF) and upper floor (UF) | GF: Kitchen; dining area; living room; pantry would be nice but no space; bedroom on ground floor as a separate apartment that can also be used as a home office; full bathroom including washing machine in the apartment. UF: 3 bedrooms (kitchen fittings to be extended upstairs in case units are separated); full bathroom with bathtub as part of the apartment; upper floor must have separate stair access.</TD> |
| Office: family use or home office? | Home office or bedroom on ground floor</TD> |
| Overnight guests per year | 1</TD> |
| Open or closed architecture | Open</TD> |
| Conservative or modern design | Modern</TD> |
| Open kitchen, kitchen island | Yes; not mandatory</TD> |
| Number of dining seats | 6 fixed seats; should be extendable to accommodate up to 10 people</TD> |
| Fireplace | Yes</TD> |
| Music / stereo wall | No</TD> |
| Balcony, roof terrace | No balcony, but yes to roof terrace</TD> |
| Garage, carport | 1 parking space required; carport not desired as it would reduce garden size</TD> |
| Utility garden, greenhouse | No</TD> |
| Additional wishes / special features / daily routine | - Ground floor and upper floor should be usable as separate living units, but not immediately—this option should exist; both floors should be acoustically separated. An open kitchen is preferred for visual spaciousness. The ground floor should be convertible to barrier-free, including a larger shower, wheelchair-accessible sink, wider doors. Fireplace desired, ideally usable from both ground and upper floors. Both floors should have a built-in window seat exactly where indicated on the plan for an unobstructed garden view (although it is the neighbor’s garden, having a nice view option is appreciated). Currently, the upper floor has 3 bedrooms, but the white wall should be removable to make the layout nearly identical to the ground floor if needed.</TD> |
| House Design | |
| Who created the design: | DIY: self-designed</TD> |
| What do you especially like? Why? | The open and spacious living room with open kitchen</TD> |
| What do you dislike? Why? | Ideally, the kitchen should be separable by sliding doors; double sliding doors would be great but aren’t included in the current plan. I am bothered that the hallway on the ground floor is poorly utilized and wastes space.</TD> |
| Cost estimate according to architect/planner: | Not yet available</TD> |
| Personal budget limit for the house including fittings: | 550,000</TD> |
| Preferred heating technology: | Preferred: air source heat pump + photovoltaic system + decentralized ventilation in the living room and one bedroom on upper floor</TD> |
| If you have to give up, which details / extensions | |
| - could you give up: | Size of the ground floor bedroom; double bed still required for two people if the children move out. A closet in this room is not necessary, although it might look odd if there is only a bed.</TD> |
| - can’t give up: | The window seat is very important to me.</TD> |
| Why does the design look like it does? For example | I looked at several accessory apartments and combined their features somewhat. The key difference is that the plot itself is small and I want to preserve as much garden as possible with a hybrid solution usable for us now and optionally as a separate apartment later. Due to limited remaining garden space, I want a roof terrace, since I feel enclosed by neighbors to the south and west and this helps to access sunlight even in seasons with low sun angles.</TD> |
| What makes it, in your opinion, particularly good or bad? | The house should adapt well to many life changes (2 children and living in it into old age, then renting out the upper floor or using it for a caregiver). Daily routine: wife comes home around 2 PM, I come home around 6 PM on weekdays. I work a lot from home on weekdays. We enjoy having guests on weekends and want the option for overnight stays as some relatives come from other regions.</TD> |
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Bauherr889924 May 2025 13:43Here is the site plan. The house I am planning to build is the one in the top right corner.
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hanghaus202324 May 2025 14:03Site plan without reference to the street?
Is there no zoning plan? With a granny flat, definitely 2 parking spaces.
Building services?
Is there no zoning plan? With a granny flat, definitely 2 parking spaces.
Building services?
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