ᐅ New single-family house approximately 190 sqm with double garage, no basement – Design No. 3

Created on: 19 Feb 2020 20:20
T
Thorsten78
Hello everyone,

We have just purchased a plot of land and are now at the stage of planning our house.
After two initial attempts at designing it ourselves without much success, we have now met with a structural engineer who helped us create a floor plan tailored to our needs.
I would like to share this design here for discussion.
We have already chosen a local builder. The plan is for a timber frame house with solid wood interior walls and a timber frame exterior wall filled with blown-in wood fiber insulation.
The entire house is intended to meet the KfW 40+ energy efficiency standard eventually.

Development Plan/Restrictions
Plot size[/B] 760m² (about 8,180 sq ft)
Slope
no, maximum height difference 90cm (35 inches)
Floor area ratio (FAR)
0.3 (but previously built structures did not comply)
Plot ratio (building density)
0.6 (but previously built structures did not comply)
Building envelope, building line, and boundary
see attachment
Boundary development
yes, garage
Number of parking spaces
two per plot, minimum 5m (16 ft) in front of the garage
Number of floors
Knee wall max. 0.50m (20 inches) (but previously built structures did not comply)
Roof style
Gable roof 30-38°, hipped roof, shed/flat roof 25%

Architectural style ---
Orientation
---
Maximum heights/limits
---
Additional requirements
natural red bricks

Owners’ Requirements

We are a small family: two adults, age 41, and one child, age 6. Our family planning is complete.
We would like a detached single-family home with two full stories, no basement, a double garage, and a storage room as a basement substitute.
The architecture should be modern, bright, with an open living/dining/kitchen area.

Architectural style, roof type, building type

- Modern
- We currently favor a gable roof with a 22° pitch.
- We also like the idea of a pyramid (hip) roof, but unfortunately, this roof type is less than ideal for installing photovoltaic panels.
- Large windows for lots of light inside, including external venetian blinds for shading.

Basement, floors
No basement, two full floors

Number of occupants, age

2 adults, 41 years old, and 1 child, 6 years old

Space requirement ground floor and upper floor

Total living area 180-200m² (1,940–2,150 sq ft)

Office: family use or home office?

Office on ground or upper floor

Guest bedrooms per year
None planned

Open or closed layout

Open

Traditional or modern construction

Modern

Open kitchen, kitchen island

Yes, yes

Number of dining seats

Dining table for 6-8 people

Fireplace

No

Music/surround sound system

If possible, multi-room audio

Balcony, roof terrace

No

Garage, carport

Double garage + storage room as basement substitute


Utility garden, greenhouse

Low-maintenance garden, lawn with irrigation system, possibly raised beds

Other wishes/special features

Photovoltaic system including battery storage, KNX smart home system

House Design
Designer:
- Planner from a construction company

Structural engineer
- Architect

No
- Do-it-yourself


What do you particularly like? Why?
Dry access from garage to house, spacious living area with a nice terrace

What don’t you like? Why?
Despite minor compromises, everything is fine

Price estimate according to architect/planner:

€440,000 (house KfW 40+ including double garage)

Personal overall budget limit:
€580,000 including plot (€65,000), landscaping, kitchen, furnishings

Preferred heating system:
Heat pump and central mechanical ventilation with heat recovery

If you had to give up something, which details/features
- Can give up:

Smart home and battery storage
- Cannot give up:

Two full stories, double garage, modern open design


Why did the design end up as it is now?

We wanted to make the best possible use of the plot.
Basically, we would have liked to orient the terrace towards the southwest, but unfortunately, there is the street there, and I don’t want to be completely exposed.
Also, the west side is the weather side with a lot of wind.

What do you think makes it especially good or bad?
???

What is the most important/fundamental question about the floor plan in 130 characters?
What do you think of the design, and what could be done differently?
We might want to redesign the bathroom, maybe a T-wall?
Would you change anything about the window layout?

We would appreciate any ideas or constructive criticism very much.

2D floor plan of a single-family house with kitchen, dining, living area, terrace, and garage.


Upper floor plan with master bedroom, child’s room, office, playroom, bathroom, hallway.


Four views of a modern house with garage, trees, and cars (west, east, south, north).


Technical drawing: house with double garage, sections, and dimensions.
Pinky030121 Feb 2020 08:16
Thorsten78 schrieb:

What do you think is better for children's rooms?

I find it inconvenient when there are two children's rooms, and the child has to cross the hallway every time to switch rooms. It's nice that you want to give your child so much space, but what can they really do with more than 30m² (320 ft²)? I also don't think two separate rooms are necessary. You could reduce that space a bit and get your storage room back.
T
Thorsten78
21 Feb 2020 10:49
We don’t want to start everything from scratch again, as we already like the floor plan. Of course, you always have to expect some compromises. The perfect house doesn’t exist—at least not if you need to watch your budget. I might just want to make a few small changes here and there, if they make sense.

The long, straight living area was deliberately designed this way and will stay that way. The straight staircase as well.

Regarding the children’s rooms, we would still plan to include a sliding door connecting the two rooms. Going through the hallway wouldn’t really make sense.
H
haydee
21 Feb 2020 11:10
A separate playroom is a nice feature. Our daughter ended up with one unintentionally. But here, it’s 30 m² (323 ft²) more than many houses that have two children. You could easily remove 5 m² (54 ft²).

A straight open-plan living area is fine, but 4 meters (13 feet) wide is too narrow.
I can’t quite picture the terrace with the side walls. Sitting right at my table, every time I look outside, the view is blocked by the wall.

Why choose a straight staircase? This isn’t a design feature here, and it actually limits the ground floor space. Have you considered turning it 90 degrees or integrating it into the open-plan area and making that wider?

Your house is large for three people, yet it still feels cramped.
Y
ypg
22 Feb 2020 18:02
haydee schrieb:

Sitting here at my desk, and every time I look outside, it’s right there on the wall.

Not just on the walls. A flat roof is planned above it. Not even light comes through the beautiful panoramic window, let alone a view of the sky.
T
Thorsten78
19 May 2020 16:33
We have spent the last three months reconsidering our plans and have now come to this design.
The house will be somewhat smaller, about 175 m² (1885 sq ft) instead of 190 m² (2045 sq ft), as the budget was a bit tight.
Only the lower window sections on the north side will be removed (privacy screening from the neighbor), and the kitchen window will be replaced with a three-part window measuring 2.50 m x 1.00 m (8.2 ft x 3.3 ft).
This plan is intended to be submitted to the local authority for approval (building permit / planning permission). I am happy to receive further suggestions or discuss any ideas.

Floor plan of a single-family house with kitchen, dining area, living room, terrace, and double garage.


Attic floor plan with bathroom, office, master bedroom, walk-in closet, child and play area.


West elevation of a modern two-story house with garage, car, person, and trees.


View from the south: two-story house with garage on the left, window front, person at the entrance, trees.


East elevation: two-story house with side extension, trees on the left and person in front.


North elevation of a house with pitched roof, garage, trees and two people in front.


Architectural section through house with double garage, dimensions, and component labels.
H
hanse987
19 May 2020 17:41
My points:
- Door to the utility room. Does the door under the stairs really work?
- The pantry is a narrow corridor and with the corner at the end almost a maze.
- Why are there two doors to the garage? I would remove the door from the cloakroom and use the entire space for the cloakroom. You have a small canopy in front of the main entrance anyway, so you won’t get wet there. Are you aware of the 15cm (6 inches) step into the garage?
- The master bedroom is very narrow at 3.2m (10.5 feet). This leaves only about 55cm (22 inches) on each side. If you get up quickly, you might easily hit your head on the wall.

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