ᐅ Initial Design by the Architect – Optimization

Created on: 28 Jul 2020 20:04
F
Fritsch
Hello everyone,

we recently received the first draft of our house from the architect and would appreciate any optimizations, suggestions, and opinions. Overall, the design already matches our ideas quite well. But first, here is the completed questionnaire.

Development Plan / Restrictions
Plot size 856 sqm (already owned/purchased)
Slope Yes, rising from southwest to northeast. On the west side the slope is about 8 m (26 ft) over 30 m (98 ft), on the east side about 6 m (20 ft) over 30 m (98 ft). Unfortunately, the street slopes downward.
Site coverage ratio 0.35
Floor area ratio
0.7
Building envelope, building line and boundary
Marked in the development plan (blue line)
Setback distances
According to Art. 6 BayBO
Number of parking spaces
2
Number of storeys
2
Roof type
No requirements/restrictions
Architectural style No requirements/restrictions
Orientation
Street facing southwest
Maximum heights/limits
Maximum ridge height of 9 m (30 ft) above upper edge [OK]
Other requirements

Client Requirements
Architectural style, roof type, building type Modern, flat roof or single-pitch roof
Basement, storeys
No basement, two full storeys
Number of occupants, ages
Currently 2; man 31, woman 28. Children planned
Space requirement on ground floor and upper floor
About 180 sqm (1938 sq ft) of living space intended. No fixed division between basement/ground floor (practical layout)
Office: family use or home office?
Home office
Guest bedrooms per year
Not relevant
Open or closed layout
Open
Conservative or modern construction
Modern
Open kitchen, kitchen island
Open, with kitchen island
Number of dining seats
6–8
Fireplace
Yes
Music/sound wall
Not necessary
Balcony, roof terrace
Large terrace
Garage, carport
Double garage
Utility garden, greenhouse
Not necessary
Other wishes/special features/daily routine, also explanations why something should or should not be included

House design
Designed by:

- Architect
What do you particularly like? Why? Open living/dining area and open kitchen with island, large partly covered terrace (maybe a bit too big), large floor-to-ceiling windows facing south
What don’t you like? Why? Slightly too large and costs too high. Long corridor in the basement ("tube-like"). Children’s rooms possibly a bit small. WC on ground floor somewhat small.
Price estimate according to architect/planner: €470,000 excluding additional building costs and land
Personal price ceiling for the house, including fittings:
about €500,000–550,000
Preferred heating system:
Air-to-water heat pump with underfloor heating

If you had to give up something, which details/expansions
– could you give up:
Change from flat roof to single-pitch roof -> saves about €10,000? Smaller living area
– could you not give up: Large terrace, open and modern style, walk-in closet

Why does the design look like it does now? Fritsch

The architect implemented the requirements well based on images. The modern style, large windows, large terrace, and the ground floor overhang above the basement creating a covered entrance area are all liked.

What is the most important/basic question about the floor plan in 130 characters?

  • How can we reduce the floor plan size? The architect suggests only minor changes at the front on the ground floor to keep proportions.
  • We are also considering swapping the bedroom with the office and keeping the children’s rooms in the basement for later peace from partying teenagers. Or placing the bedroom and another room on the ground floor for early years with children nearby and swapping with the office later. Or leaving it as is and maybe swapping bedroom and office later.
  • Does anyone have experience with terraces above living rooms? Are they watertight? We are considering having the terrace slightly overlap the ground floor as a roof—would that be too dark?
  • Any suggestions for changing the basement corridor? It would be nice to have a side exit at the end of the corridor.
  • Any other general optimization suggestions? What do you dislike or do differently?
PS: The floor plans are at a 1:100 scale and the furniture shown is to scale as well.

Thank you in advance for your support.
Have a nice evening.


Site plan: orange building plot 'Unser Bauplatz' with trees, a boundary line and adjacent buildings.

Ground floor plan: living room, dining area, kitchen, corridor, guest room/bathroom and terrace.

Basement floor plan: garage with car, corridor, technical room and several rooms.

Northeast view of a flat building with door, windows, person standing and a tree.

Modern house on sloped site with terrace; two people in front of glass facade, mountain landscape.

Modern house sketch on sloping site, terrace with two people, tree on left, southeast view, 1:100

Modern house sketch with terrace, balcony, garage; 3 m (10 ft) to plot boundary.
H
haydee
29 Jul 2020 15:43
I don’t think the door to the garage is bad at all and actually quite practical. If it fits, you can go for it. Bending it is not worth it.

There is no smell unless you’re happily working on a classic car and like to keep the engine running. A fire-rated door will be installed in between, which can also pass the blower door test. The standard option is those nice gray cellar doors.

I don’t like the basement level. However, I do like having the entrance directly opposite the stairs. This keeps the private areas private.

The hallway is unacceptable. No matter how I try to rearrange it in my mind, it doesn’t really improve.
H
haydee
29 Jul 2020 15:44
11ant schrieb:

Which type exactly: with the same slope as the terrain, steeper, flatter; built downhill, uphill, or crosswise to the slope; single-pitched (shed roof) or double-pitched (broken gable, also called "shed")?

I don’t care. I think a flat roof belongs on a cube-shaped building.
11ant29 Jul 2020 15:45
haydee schrieb:

I don’t care. I think a cube should have a flat roof.
If it’s not flat, then it’s no longer a cube – and if it doesn’t have three corners, then that’s not my hat.
https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/
H
hampshire
29 Jul 2020 17:54
My conclusion: Pool your money and go for it—if possible. The design works well for people who need little private space but plenty of room for communal living. Yes, even with the long hallway, the door to the garage, and the large terrace. I get the impression that the design process involved good communication and that the architect was not trying to impose their own ideas, but rather aimed to create the right home for the family’s lifestyle.

If funds are lacking or causing sleepless nights, go back to the architect and discuss what can be done. They seem to be a good professional.
Pinky030129 Jul 2020 17:59
I like the floor plan and have no complaints. I find the house very stylish!
F
Fritsch
29 Jul 2020 18:02
haydee schrieb:

If the appearance can be changed, I would try to plan the garage under the terrace and living spaces stacked vertically without any setback. I imagine this could achieve a similar cost saving as the shed roof and might even improve the overall look.

The structural engineering can completely blow your budget. In our case, the retaining wall/hillside exterior wall and the slab were designed with very heavy reinforcement. The floor between the levels also had to be made much more substantial. It ended up being a five-figure expense.

The landscaping depends on what you want. You have an 8 m (26 feet) difference in height. That doesn't disappear because of the house. Every level you add needs to be supported. And 90 cm (35 inches) in one area, 60 cm (24 inches) in another also costs money.

Unfortunately, the garage must be located on the east side due to the gentler slope. We would prefer to have the terrace on the west side to enjoy the evening sun. I can’t say much about the structural engineering apart from what the architect has mentioned, but I will definitely bring it up at the next meeting.

We haven’t thought much about the landscaping yet, but I will also address that at the next appointment.

Regarding the roof: We could also consider a shed roof with a 5–7 degree pitch that follows the slope. This would also be beneficial for possible photovoltaic installation. Something similar to the Luxhaus – Pultdach Klassik 257. If it saves money as well...