Cost planning for a single-family house including land, additional costs, architect

Hi Emer,

thank you very much for your opinion. Having a knack for costs is exactly the keyword. If I cautiously plan half a million just to be covered for all eventualities, it’s no longer cost planning.

We can only solve it together with him anyway. We will sit down together and discuss it. For many items, I have the feeling that we have calculated a flat rate with the maximum value to be on the safe side; furthermore, there are items included that will only come later, some that we can avoid (Riemchen), and others (energy) that we haven’t talked about yet.

Our budget was 350k EUR plus a little safety margin, 485k is far from that, and I find almost 2,600 EUR per m² quite high.

I'm going to tear down our house:

- Energy Saving Ordinance: 85%
- 160 sqm living space
- no basement
- Structurally not simple (shifted building sections / no symmetry)
- Gas condensing boiler, underfloor heating throughout the house
- one garage
- hipped roof
- one side of the house on the upper floor open up to the roof / other side with intermediate ceiling (attic)
- fireplace
- 41 sqm windows (RC3: i.e., locking, lockable handles, laminated safety glass)
- high-quality bathroom fittings (125cm washbasin, 180cm bathtub, 100x100 walk-in shower / glass)
- interior plaster Q3, partially paint fleece

For just under €2,200 per sqm living space.
Including additional costs, it’s almost €2,700 per sqm living space.

Each without land costs and without exterior landscaping.

2,600€ per sqm are, in my opinion, really very high! That is pure luxury. It can be done cheaper.
Our house:
- 250 sqm living space. with 300 sqm plot area
- approx. KfW 55 (we only applied for 75 but built energetically better)
- no basement
- geothermal energy with central controlled ventilation + heat recovery
- no garage, but almost 20 sqm garden shed
- city villa, cladded with bricks on the bottom and plaster on the top
- 75 sqm windows (only 3 windows are not floor-to-ceiling) and 4 roof windows, which extend into the beam, each RC 2
- very extensive electrical installation incl. LAN, home automation on the ground floor, ceiling spotlights, etc.
- solid wood doors flush closing and magnetic latch lock
- see-through fireplace as room divider
- complete outdoor facilities including all earthworks, 25m L-walls, 50m rod fence, 75 sqm IPE wood terrace but still without driveway
- 2 high-quality bathrooms like at Emer
- 250 sqm parquet (oak planks short), the rest Italian porcelain stoneware
- all walls and ceilings Q3 (Q4 where necessary), then painted
- video intercom system
etc.

For us it will be about 1,700€ per sqm including all ancillary construction costs (without land and acquisition incidental costs), built on the border of the Ruhr area to the Lower Rhine in NRW. But we also did own work for the interior finishing (floor coverings, outdoor facilities, painting, fine installation). Maybe we were just lucky with the right companies.

Hello nordanney,

I'm just jumping in here briefly. May I ask how much you paid for the "Durchsichtkamin" approx.? We are also considering doing something like that, but I have no idea how much something like that could cost...

Phew - with this amount I would have declined:

Our house:
172 sqm KfW 70
Geothermal energy (deep drilling)
decentralized ventilation with heat recovery
2 full floors with a gable roof (rear wall built on/in a slope) - L-blocks for stabilization
Delivery of topsoil, additional gravel, 10 cubic meter cistern, etc.
and so on.

including surcharge for electrical work, bathroom, delivered OSB boards, painting materials, etc.

for 1,750 euros/sqm (painting work was done by ourselves)

Hello nordanney,

I'll just chime in briefly here. May I ask how much you paid for the "Durchsichtkamin" approximately? We're also considering doing something like that, but I have no idea how much something like that could cost...

Hi,
Of course you may ask
... and you will also get an answer.
Our fireplace cost around EUR 9,500 in total (+ chimney + pressure monitor, but including electrical work and lighting). It is a Spartherm combustion chamber installed with a max. output of 11 kW.
Pictures should be available on our homepage (see profile).