Conversion of two-family house to single-family house - floor plan?

  • Erstellt am 2021-07-12 11:18:53

stunningsteve

2021-07-12 11:18:53
  • #1
Hello everyone,

we have owned a classic two-family house from the seventies for a few years (large apartment on the ground floor, smaller granny flat on the upper floor), which we are currently converting into a single-family house. Until a year ago, we only lived in the lower apartment; the granny flat on the upper floor was vacant. Last year, we started merging both apartments by installing a new staircase and making a large breakthrough inside, connecting the two.

Now we want to gradually (but still promptly within 1-2 years) first redesign the upper floor and later the lower floor so that we can use the property as a single-family house (currently difficult because two independent apartments also mean 2x living rooms, 2x kitchens, etc.). An energy upgrade will also be carried out during the conversion – but this should not be the focus here. My concern is a sensible floor plan optimization. The goal is not to carry out a full renovation; however, we are also planning many major measures (as much as necessary to fulfill our essential wishes).

Due to the large area available, including the extension (approx. 250 m²), a sensible layout is not so easy. In addition, the existing structure and the presence of key elements (e.g., the stairs) set certain limits on the design. After many drafts and plan attempts, I now have a version that I would like to present here for discussion. I will try to answer the questions concerning a conversion as well as possible. I have omitted the basement floor plan as I fear it is already complicated enough.

Development plan/restrictions
Size of the plot – 750 m²
Number of floors – 1.5 floors
Roof shape – gable roof

Client requirements
Basement, floors: basement, ground floor, and upper floor
Number of people, ages: 3 (soon 4), 37, 34, 2, 0
Office: regular home office by 1 person
Sleeping guests per year: rarely, possibly more later due to children
Open or closed architecture: open
Open kitchen, cooking island: yes, desired
Number of dining seats: 6-8
Fireplace: not present, only if it fits somewhere sensibly
Balcony, roof terrace: no, possibly feasible as part of the dormer, but not essential
Garage, carport: 2 garages available, integrated in the basement

House design
Who planned it: mainly own work, partially discussed with an architect and energy consultant
What do you particularly like? Large, open living/dining area with cooking island, large windows facing the terrace, separated parents’ area on the ground floor
What do you dislike? Layout of the children’s rooms on the upper floor somewhat awkward (due to roof supports in the masonry), laundry room in the basement (long distances), no pantry (but have managed without so far), basement access is located in the living/dining room
Personal budget limit for conversion, including equipment: €300,000 (including energy upgrade)

If you have to forgo something, which details/extensions
-can be foregone: dormer, dressing room

Why is the design the way it is? For example:
While the little ones are still toddlers, we will probably set up our bedroom in the planned office/guest room on the upper floor. In the medium term, we want to sleep downstairs and have the kids upstairs. In the long term, this offers the option that when we are older and the kids have moved out, we will live only on the ground floor.

I am attaching the existing floor plans, the version with the changes, as well as the final version. Please let me know if anything is missing.
 

11ant

2021-07-12 12:44:21
  • #2

Pictures?
The post should have a minimum of 30 characters.
 

hanghaus2000

2021-07-12 12:55:10
  • #3
The thick red walls to be demolished are load-bearing walls, has a structural engineer ever looked at them?
 

Myrna_Loy

2021-07-12 12:56:56
  • #4
A 15 m long kitchen dining area? :eek: I already have a nickname for it - the great hall.
 

11ant

2021-07-12 13:29:54
  • #5
I think the colors of Abbruch and Neubau are swapped compared to the standard.
 

Myrna_Loy

2021-07-12 14:32:45
  • #6
If you like both children equally, I would divide the upper floor like this. I’d rather not say anything about the layout on the ground floor. ;) I assume the guest room on the upper floor will initially be the parents' bedroom until the kids no longer need help at night?
 

Similar topics
15.08.2018Work planning single-family house 180 sqm flat roof with basement & double garage142
06.10.2018Single-family house planning - approx. 170m2 without basement13
02.11.2018Single-family house with a granny flat - ideas wanted11
13.10.2019Floor plan design single-family house with basement and double garage on 540 sqm26
11.01.2020Single-family house with or without a granny flat10
21.08.2020Floor plan of a single-family house with 4 children's rooms and a separate apartment17
12.05.2023Detailed planning floor plan single-family house with basement and granny flat28
09.01.2021Initial planning single-family house with granny flat on 600 m214
01.03.2021Single-family house with a granny flat - Suggestions for beginners13
22.04.2021Floor plan design single-family house city villa with granny flat KFW40+49
05.06.2021Single-family house city villa approx. 180 sqm + separate apartment 70 sqm - open design23
20.06.2021Floor plan of a single-family house with a separate apartment on the south slope above the street14
07.07.2021Floor plan single-family house with separate apartment as a 3-unit house69
31.08.2021Single-family new building: Planning a granny flat for future family expansion?47
23.01.2024Floor plan for a single-family house with 200m² with a separate apartment 75 + basement 140m² + garage 56m²59
10.10.2022Financing single-family house with granny flat for parents39
05.02.2023Floor plan optimization, renovation of a two-family house into a single-family house, built in 195731
07.04.2023Floor plan single-family house 240m² on a gentle slope24
01.01.2025Floor plan, house layout EFW 150m2, basement + granny flat - feedback desired67
25.03.2025Floor plan for a single-family house with a basement on a hillside44

Oben