ᐅ Single-Family Home – New Construction Project from Day One – And the Planning Begins

Created on: 7 Feb 2020 22:54
D
DaSch17
Hello dear community,

For the past few weeks, I have been following this forum and have already gathered some valuable tips for our own planning.

I would like to use this thread to keep you updated from the very first day of planning until moving in. I hope to receive some valuable advice from the community and that this thread can also serve as a guide for other first-time homebuilders.

Now, a bit about our building project:

As mentioned, we are still quite early in the process...

It all started, as it probably does for most, with requesting a catalog from a prefabricated house company. In our case, it was FingerHaus around mid-December.

This was followed by a phone call with a sales representative from the mentioned company and arranging a first consultation. This appointment is scheduled for Sunday, 09.02.2020.

Since then, we have been intensively working on budget planning, possible floor plans and building plots, as well as ideal typical living space layouts.

So far, we have not purchased a plot yet. However, we are in contact with a municipality that is currently planning an expansion of a new residential area. Fortunately, this allowed us to help decide the size, location, and shape of our future plot. Our desired plot is reserved for us.

Key details of our planned single-family home:
– Location: Southwestphalia, Siegen-Wittgenstein district
– Living area: 179 sqm (1,925 sq ft)
– Concrete slab foundation
– Gable roof
– 1.5 stories with gable roof
– Single garage with extended length for tools/storage room

Our budget:
– Plot including property transfer tax: 70,000 EUR
– Construction costs: 470,000 EUR
– Additional construction costs including earthworks: 70,000 EUR

Our schedule:
– By May 2021: Selection of the construction company
– By July 2021: Contract signing, building permit / planning permission application
– By July 2023: Completion of construction work
– By October 2023: Completion of owner-performed work (painting and flooring) and move-in

We understand that the start of construction depends on the delivery time of the prefab house company, which can vary between 6 and 24 months.

We have now selected 8 different companies with whom we want to conduct initial meetings:
– FingerHaus
– Hanse Haus
– SchwörerHaus
– Bien-Zenker
– Schäfer Haus (contact via family)
– Büdenbender Haus
– WeberHaus
– a local developer

After these initial talks, we want to proceed with more detailed discussions with 4 of these providers.

–––––––––––––––––––

What should we pay attention to during the initial meetings? What is particularly important? Should we disclose our budget to the sales representatives?
M
Martial.white
8 Sep 2020 23:21
10.5 kWp is unfavorable.
Either go with 9.9 or 12+ kWp.
However, I’m not sure if these standard figures also apply to KfW40+ photovoltaic systems limited to 60% feed-in.
DaSch179 Sep 2020 09:07
Thank you @SteLa33 for your feedback. I’ll try to respond to the individual points:
SteLa33 schrieb:

- Temporary power/water 5k not 1k

I’ve seen that mentioned more often now. 5,000 is quite high, but I’m still planning to increase it to 3,000.
SteLa33 schrieb:

- Utility connection 11k not 6k

That’s the experience from our general contractor, who has already built a house in this new development. Also, there’s no natural gas connection available in our area...
SteLa33 schrieb:

- Furniture/lighting 6k instead of 2k, although we had a furnished house before
- Landscaping 50k instead of 25k

The 2,000 is initially just for lighting. We have enough furniture and will gradually add more from our cash flow after moving in.

Landscaping 50,000? We won’t be installing a fence, but rather planting a hedge. We plan to do the paving and terraces ourselves.
SteLa33 schrieb:

- Earthworks 20k for a house with a basement instead of 40k

Our plot is approximately 720 m² (7,750 sq ft) with a slight slope (the height difference between the highest and lowest points is 2.5 m (8 ft)). The site will be fully leveled into a plateau. Also, due to a presumably high groundwater level, drainage might be necessary. For this reason, we initially planned 30,000 plus a 10,000 safety buffer.
SteLa33 schrieb:

- Kitchen is 10k for us, but preferences vary widely

I think 20,000 will be tight for us. We’re planning a 4.60 m (15 ft) long kitchen run plus an island measuring 2.6 m by 1.4 m (8.5 ft by 4.5 ft). We’d also like to have a downdraft extractor, etc.
DaSch179 Sep 2020 09:12
OWLer schrieb:

Proxon is an air-to-air heat pump, right? I would strongly advise against it and definitely recommend planning for underfloor heating.

See the item "Additional cost for air-to-water heat pump with indoor unit and underfloor heating including controlled residential ventilation."
We definitely want to go with an air-to-water heat pump. The general contractor is currently consulting the heating engineer on this. So far, we have budgeted a total of 40,000 (25,000 "credit" for the air-to-air heat pump + 15,000) for the mentioned technology.
Martial.white schrieb:

10.5 kWp is not ideal.
Either 9.9 or 12 kWp and above.
However, I am not sure if these standard figures also apply to KfW40+ photovoltaic systems limited to 60% feed-in.

We have not made a final decision yet and need to get consulting first. We currently have a request with a solar technician. He will also ensure the system is eligible for subsidies and will prepare a profitability calculation.
DaSch179 Sep 2020 10:41
SteLa33 schrieb:

- Temporary electricity/water 5k not 1k

Something else comes to mind... Did you perhaps use solid construction, resulting in higher electricity costs (due to longer drying times)?
B
bortel
9 Sep 2020 11:35
671 loops, my dear singing club^^
I have 175 also on a slope with a basement living area and garage within the thermal envelope, and the field was already quite a stretch at 93k, but that’s miles away from me. I’m constantly amazed at how prices have skyrocketed in recent years.
H
haydee
9 Sep 2020 12:48
Forget about the $5,000 for temporary construction power. Our utility provider required a monthly inspection by an electrician to verify that the distribution board was still functioning. Believe me, don’t ask how much that inspection cost. The electrician charged so much for the time spent that walking over from the neighboring town would have been faster and cheaper.

I would also advise being cautious about the $40,000 for earthworks. Those costs can add up quickly. Friends of ours paid $20,000 just for disposal alone. It’s better to plan for more rather than less. Some unexpected bills will likely still come up.