Rough cost estimate for a single-family house

Hello Clairiana,

I think you should definitely get a non-binding offer. Preferably from the general contractor of your friends. You should not mention the currently stated budget for the time being. You can set the 500,000 of your friends as a guideline. You can always increase it later.

The construction costs per sqm naturally depend on the level of equipment. For example, you can choose tiles for 30 euros but also for 150 euros. Depending on individual wishes, it may also be that you end up below 2,000 per sqm in price.

Including the utility room, we will have 172 sqm. We are building with geothermal energy and a decentralized ventilation system with heat recovery. Including the costs for a 10 m³ cistern, connection costs, a small budget for the garden, as well as the material for self-performed work (laying laminate and painting), our plan is just under 300,000 + land. The electrical work might still increase the price. Thus, our price per sqm is about 1,750 euros (but including the additional services, which are often not included).

I have already posted that the budget is more than sufficient with proper awarding. We end up with a final cost for the house construction of under 1,600 EUR per sqm of living space (with 250 sqm living space or 300 sqm footprint - no basement). This includes all construction costs, additional costs, incidental construction costs, outdoor facilities, architect, etc., only the land is missing. Very high-quality equipment with clinker brick, geothermal energy, central controlled residential ventilation/heat recovery, approx. "Kfw 60" colored windows, all shutters electric, partly home automation, light switches + sockets + LAN to no end, approx. 200 sqm oak floorboards, three bathrooms, built-in spotlights, almost exclusively floor-to-ceiling windows including skylights (reaching up to the knee wall), see-through fireplace as room divider, solid wood interior doors flush closing, garden fountain + garden house, wooden terrace approx. 70 sqm etc. The decisive factor was simply the size of the house, which brings you cost advantages. In my opinion, you can approach the house construction completely relaxed.

I'll just jump in briefly. I must admit, in traditional single-family home construction (and I deal with builders daily), I have rarely read such a professional approach in advance. Certainly, many costs are still estimates, square meter figures need to be verified, and individual items checked. But all in all, you have put a lot of good thought into it and covered all the ins and outs well. The fact that you mentally approach many costs on the higher side helps later in being able to keep the budget. I live (and work) in the South Lower Saxony area, so I have a direct construction cost comparison and can assure you that you should be able to manage with the planned budget (provided no gold-plated faucets are to be installed). You separately list architect fees, which is important and correct if you plan to work with an independent architect and possibly build with them. And there are good ones with whom such a project can be well implemented. However, an architect will not offer fixed prices as a construction company does, so the variable in costs here will be greater than with a construction company. And even with construction companies, there are firms that work with architects on free designs – then the additional architect costs do not apply, at most planning fees may be involved, but these usually have to be borne. Or you mix the tasks, find a good planner for preliminary and design drafts, and have the costs calculated by a construction company. Then your costs are manageable (because the architect or planner does not have to accompany the entire construction project) and you are still free in planning (only it should be said that construction companies with their own planners cannot always implement fully submitted plans one to one because each company has its own standards). Have fun building! And from my point of view, your planned budget is sufficient :-)

Hello f-pNo, nordanney and elchitekt, thanks for the constructive answers. Nordanney, do you have a construction blog? At the latest with the oak floorboards (I love oak floorboards) a "I want that too" screamed through my ear. :) Unfortunately, I can only respond briefly because we are leaving for a short vacation this morning. Thanks for the information for now, I will get in touch again on Monday. :)

Have fun on vacation, good rest, and creative thoughts!

Hello,

to you too: the language on the internet is the informal "you" ... makes it simpler ;-)

Here are the numbers assumed so far:
Solid construction method in southern Lower Saxony, city villa 220m² living/usable area without basement, solid double garage with storage room and access to the house, modern building technology (e.g. geothermal, heat pump variants, photovoltaics), good quality equipment
- Purchase of land and incidental purchase costs approx. 150,000
- Additional construction costs approx. 50,000
- Construction costs: between 1,500 - 2,000 per m², so 330,000 - 440,000
- Painting and tiling 20,000
- Double garage 35,000
- Kitchen 20,000
(Exterior work would be postponed to the year after construction and not financed, mentally here 25,000-30,000)
This makes a total of 605,000 - 715,000 euros, architect services not yet included.

I have already read some competent messages from you here, so the question: Do you still consider a landing in the "lower" range realistic with still good equipment (i.e. ~ 600,000-610,000 euros without architect)?

First of all, it crucially depends on the planning of the plot; 220 sqm/living area can be too little with poor design, but with clever planning 180 sqm/living area can be a bullseye ;)

Based on the above information, I would estimate as follows (if completely awarded to a main contractor/general contractor); thus including architect services:

Land: approx. €150,000
City villa, KfW-70 on slab: €330,000
Additional construction costs: €35,000-40,000
Painting works in award (textured wallpaper): €15,500
Floor coverings in award (material value tiles €30.00): €18,000
Outdoor facilities in award and medium value: €16,000
Double garage as prefabricated garage 6.00 x 6.00 m: €12,000
Extras, such as remote control roller shutters for 20 windows: €6,900.00
Reserves for further extras: €10,000
Kitchen: approx. €15,000

Results in an estimated volume of €613,400 plus further special requests, such as partial brick cladding etc.

Rhenish regards