ᐅ Preliminary design from the draftsperson for our single-family house

Created on: 12 Feb 2018 10:08
J
Julia.86
Hello everyone,

our house construction is finally starting to get serious.

Provided the seller of the plot does not back out at short notice, we have an appointment with the notary in March to draw up the purchase contract.

A few weeks ago, we accepted an offer from a general contractor to visit the plot and the development plan together to see if our desired house could be built there. A draftsman reviewed everything with us, listened to and noted our wishes and ideas during a two-hour meeting.

Last week, we met at the office to review the first draft. Since then, we have decided to provide planners (we want to meet with 2-3 more companies to find the right one) with a list of our wishes and ideas for further discussions. Unfortunately, not everything that is really important to us was considered, and too much attention was given to things that are just “nice-to-have.” >.<

The planner recommended that we carefully think through his draft at home to see what we like and what does not work for us.

Before giving him our feedback, I would like to hear your opinions on this draft. Perhaps some of you with building experience will notice something we are unaware of, or you might challenge our thoughts, which would also be very helpful.

Here is the completed questionnaire first:

Development plan/restrictions
Plot size: 743m2 (8000 sq ft), 20m x 37m (66 ft x 121 ft)
Slope: yes, sloping downward to the rear, the draftsman estimates the height difference at about 3m (if we own the plot, we were advised to commission a soil report with leveling to allow the best possible house design. We will do that)
Site coverage ratio: 0.3
Floor area ratio: 0.6
Building envelope, building line, and boundaries: see attachment
Setbacks: 3m (10 ft) from neighbors, 7m (23 ft) to the street
Number of parking spaces: not specified; 2-3 desired
Number of storeys: 2 full storeys allowed
Roof type: only pitched roofs
Architectural style: open style
Maximum heights/limits: with downward slope development, eaves height max. 4.50m (15 ft) above finished floor level
Additional requirements: cistern mandatory with 50 liters (13 gallons) storage volume per m2 of sealed surface area

Homeowners’ requirements
Style, roof shape, building type: solid construction house, rectangular shape, no bay windows etc., gable roof
Basement, storeys: 1.5 storeys + basement, possibly with a small granny flat/apartment in the basement; ground floor and upper floor about 150m2 (1615 sq ft) total
Number of occupants, ages: 2 adults (31 + 31), planning 1-2 children
Space requirements for ground floor and upper floor:
Office: family use or home office?: both; to be integrated on the ground floor (also as a sleeping option if climbing stairs becomes difficult due to illness. I have some experience with this as an occupational therapist)
Guest sleepers per year: 1-2
Open or enclosed architecture: rather enclosed
Conservative or modern design: rather conservative?
Open kitchen, kitchen island: no, closed kitchen, if possible with a breakfast nook
Number of dining seats: daily use 2-4
Fireplace: chimney duct preferred to be included
Music/stereo wall: no
Balcony, roof terrace: no
Garage, carport: double garage preferred; otherwise, a single garage; my partner would like a door from the garage into the house
Utility garden, greenhouse: maybe a small utility garden for herbs etc.
Other wishes/special features/daily routine, also reasons why some things are wanted or not:
Shower/toilet on the ground floor (similar reasoning as guest room, and a second shower is practical if children are around);
A small pantry or storage room near the kitchen would be nice;
Walk-in closet (more like a dressing room) in the master bedroom is nice-to-have but not essential;

Because of the slope, we considered planning a small apartment/granny flat in the basement (e.g., in case the single mother-in-law cannot stay in her old house due to health reasons; she actually does not want to leave; or later for the child). Very important is a separate external entrance preferably without stairs (for wheelchair/walker use; and if rented out, so the tenants don’t have to share the stairwell).

House design
Who created the design:
- Planner from a construction company
What do you like most? Why?:
We really like the layout of the upper floor, especially that the children’s rooms are the same size; on the ground floor, we prefer the location of the kitchen and guest room compared to our own sketch (which I will also attach).
What do you dislike? Why?
Basement: That we hardly have usable basement, as the granny flat occupies the whole floor (except for the technical room); in the apartment’s living room, furniture placement is very difficult due to many doors; bathtub has to go, shower would be hard to access in this layout;
Ground floor: The large utility room (unfortunately necessary since no basement room is available, and actually a good solution for the door into the house); we would prefer an open kitchen, but it is probably not feasible with this floor plan?

For us, the biggest problem is the stairwell. On the one hand, I am not sure if the cloakroom will work for a family with children later. On the other hand, the idea of possibly having to share the stairwell with strangers (e.g., stumbling downstairs half asleep in the morning and meeting visitors to the granny flat?) is terrible for me - definitely not an option!
Cost estimate according to architect/planner: 391,000€ (KfW 55 standard, air-to-water heat pump, excluding groundwork estimated at 18,000€, painting, garage)
Personal budget limit for the house: approx. 300,000€
Preferred heating technology: geothermal (our building area requires case-by-case decision), otherwise air-to-water heat pump

If you had to give up on some details or extras
- You could do without: some square meters, especially the upper floor seems quite generous; door from garage into house is not a must, same as pantry; fireplace; granny flat
- You cannot do without: closed kitchen, very reluctant to give up the ground floor office/guest room, separate entrance for granny flat

Why is the design as it is now?
Draft by the draftsman
Which wishes were implemented by the architect: door from garage into house, closed kitchen, walk-in closet, granny flat in basement (though different than expected)

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

Do you see any other critical points? Are we worrying about problems that aren’t really problems?
I fear we may want too much for our budget, where do you see potential savings?

I hope I haven’t forgotten any important points; feel free to ask.

Thanks in advance for reading this long post. I look forward to constructive criticism and suggestions of any kind.

PS: The slope is not as steep as it looks in the exterior views; the draftsman’s software couldn’t display it differently.

Front view of a two-storey detached house with entrance and windows, drawing


Side view of a house with foundation, basement stairs, and cross section drawing


Front view of a two-storey house with roof, chimney, and windows – drawing


Section view of a house with foundation, basement and stairs on a slope.


Floor plan of a house with living room, kitchen, hallway, guest room, bathroom, utility room and stairs.


2D floor plan of a house with living and dining area, kitchen, bedroom, bathroom and corridor


Attic floor plan: corridor, bathroom, walk-in closet, bedroom, children’s room, stairwell.


Site plan of building plot with blue marked parcel next to surrounding plots


Map view of plot plan with marked building area next to a street.


2D floor plan of a house with children’s rooms, bedroom, bathroom and hallway
S
Sondelgeher12
6 Mar 2018 08:18
I came across this thread because I’m also interested in the topic of hillside construction...

I looked through the various posts where comparisons are made... unfortunately, I can’t get any useful information from them at all. It’s simply not comparable if the slope faces a different direction or if the road isn’t on the north side...

I don’t like the suggestion shown at the beginning of the post... I wouldn’t want a sloping garden on the north side, nor would I want the stairwell on the south side where it’s bright and sunny...
11ant6 Mar 2018 15:48
Sondelgeher12 schrieb:
I looked through the various posts where comparisons were made... Unfortunately, I can’t get any useful information from them at all. It’s simply not comparable when the slope faces the opposite direction or the road isn’t to the north...

When I share my recollections of similar threads with someone asking a question, I believe it can still be useful even if the linked issues are not exact matches. Sometimes it’s individual factual details, sometimes more visually similar situations, and sometimes the discussions themselves that prompt my comments. The benefit for other readers is not my primary focus.
https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/
J
Julia.86
6 Mar 2018 20:01
@11ant: I completely agree. Finding the exact same case described for a second or even third time is almost impossible.

@Sondelgeher12: For me, the posts mostly fit. For example, when it comes to the orientation of the rooms, you can adapt that to your own situation.

@everyone:
We’ve had two more meetings now (one with a general contractor we already liked at a trade fair and who also has hillside homes in their portfolio; the other with an architect) and are eagerly awaiting their designs.
At the end of the week, we will meet again with the first planner to discuss our feedback. I’m curious to see how they handle our criticism.

By the way, the basement is not completely off the table yet. Even just because it offers a nicer view if we are at or slightly above street level. We are currently considering increasing our budget (we still have some flexibility) and slightly reducing the living area.
J
Julia.86
21 Apr 2018 13:12
Hello,
here I am again

By now, we have made quite a bit of progress with our planning (at least we think so, although I “fear” you might see it differently *laughs*)

The current status is as follows:
- We will build with a granny flat, which will initially be rented out to others (very common in our building area due to many hillside plots) and if mother-in-law later wants to move in with us, she is of course very welcome
- We have increased our budget accordingly; the "house" may now cost up to 450,000 (including earthworks, special features...)
- We dropped the KfW55 energy standard as the changes made by the KfW bank made it uneconomical for us
- To gain more storage space, we will stack two prefabricated garages on top of each other. This saves us from having to build up the ground and we can use the lower garage for the grill, lawn mower, car tires, etc.
- Since the door from the garage to the house is often a topic of discussion here: It’s set. My boyfriend will not negotiate on that

Currently, we have narrowed down our choice to two providers. A general contractor (hereafter called “S”) from Saarland building about 100 houses per year, and a small regional provider (hereafter called “G”) with about 5 houses per year.

Our gut feeling currently leans towards the smaller provider because he would also coordinate the earthworks and could start faster. Price-wise and regarding the scope of work description, they are very similar, which doesn’t make the decision any easier for us. Next week, we will visit a current construction site with provider “S.” For provider “G,” we have contact details of previous clients who built similar houses to our plan, for exchange and inspection. Maybe that will help with the decision.

I will simply post both floor plans, explain our pros and cons, and then I’m curious about your feedback. =D

Let’s start with provider S:

+ We would have a cellar room
- This makes the granny flat very small. We imagine it might be difficult to rent out
+ L-shaped staircase instead of U-shaped staircase
+ Larger children’s rooms
+ Size of the kitchen
- Bathroom on the upper floor has an awkward shape with the corner

In the stairwell on the ground floor, we would add a narrow vertical window strip to let in more light and to avoid the wall looking so “empty” from the outside.
We’re not sure if an open stairwell has any sense or impact here...

For clarity, I will post the second provider in a new post

Floor plan of an upper floor: bedroom, children’s room, walk-in closet, bathroom, gallery, and stairwell.
.
Floor plan of a house with living room, kitchen, bedroom, bathroom, hallway, cellar and garage.

Floor plan of a house with living/dining, kitchen, office/guest room, entrance hall, bathroom, utility room, and garage.



Two-story house with dark gable roof, gray facade, garage on the left, and multiple windows

Front view of a two-story house with white facade and chimney

Front view of a single-family house with garage and sloped driveway

Two-story house with dark roof, gray facade, front door, windows, and garage.
J
Julia.86
21 Apr 2018 13:36
White detached house with dark pitched roof, terrace with furniture, garage and garden

White two-story house with terrace and glass railing; red car parked next to it.

Floor plan of a house: open living and dining area, kitchen, hallway, bathroom, entrance hall, terrace.

Floor plan of a house (upper floor): bedroom, two children’s rooms, bathroom, hallway, stairs.

Floor plan of a house with basement, bedroom, open living/dining area, kitchen and bathroom.


So, now I’m looking forward to your feedback =)
11ant21 Apr 2018 14:57
I would say: in this case, it was worth comparing apples and oranges instead of just asking G. for his price on the same design as S.

G.’s designer didn’t just put in minimal effort; I also find his design more aesthetically convincing. I’ll boldly speculate that G. employs an architect, while S. works with a draftsman.

I’ll add one more point: G. is owner-operated by a master mason. The owner himself knows how to build properly. Take that one, it feels as reliable as the one from Nordlys.

And that also applies to the planned layout here — with the single garage only on the upper level, and the storage room under the terrace. But forget the intermediate door; it’s no fun in a building-integrated garage.
https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/

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