Costs for Renovation

Hello everyone,

we are currently in the decision-making process of whether to buy a house (built in 1937). The following work would need to be done there. Can you roughly estimate the resulting costs (if you don't do it yourself. No luxury fittings). We really just need a "ballpark figure":

Rooms: 120 m2 remove carpet and refurbish floorboards + walls: remove wallpaper and paint (possibly fine putty?) + doors (9) refurbish (sanding, painting)

Staircase (wood): refurbish (sanding, painting)

Install kitchen, breaking through the existing window to a door and install stairs from the 1st floor to the garden

Remove old bathroom, install new one (approx. 10 m2)

Remove old oil burner and tanks in the basement and install gas burner (connection already exists)

Convert basement room (14 m2): insulate floor, walls/ceiling (putty, paint), refurbish door, install radiator

Roof: insulate (either on the ceiling floor or directly on the roof)

Break through a piece of wall between two rooms (approx. 1.50 m wide)

Install wood-burning stove

Thanks for tips! Ashley

Hello Ashley,
Your request is difficult to answer, as an old building can always hold surprises.
So first some questions.
Floors:
What do the floorboards under the carpet look like? It may be necessary to check the entire floor structure first.
Walls:
What are they made of? What kind of wallpaper is on them? Do the walls need to be straightened?
Doors:
What kind of doors? What kind of frames? How are the surfaces treated?
Staircase:
What kind of stairs? What wood? How is the surface treated?
Kitchen:
What kind of kitchen? Single row, double row, L-shape, U-shape, with peninsula or island?
Wall breakthrough:
Load-bearing wall, non-load-bearing?

Then the entire electrical installation, which certainly needs to be brought up to the current standard.
Bathroom:
Do sanitary installations need to be changed, if so which ones? How should the floor and walls be designed?

The questions could go on endlessly. So at this point I would not want to give even a rough cost estimate, but I think it will not be under a six-figure amount.

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Regards, Sigi

Hello Sigi, thanks for the assessment. I know that this can really only be done "roughly estimated." You have already given a ballpark figure. Regarding the condition of all the things you mentioned, I would say:

The floorboards are good, in my opinion, they just need to be sanded and treated. There is textured wallpaper on the walls (I don't know what it looks like underneath, but the walls appear to be "straight"). The walls are masonry. The doors are simple wooden doors that only need a new coat of paint. The stairwell is painted. I don't know what kind of wood it is. I can roughly estimate the kitchen myself. It should only be a normal "simple" one. The wall with the opening is probably load-bearing but, according to information, can be broken out in a small area. Electrical installations have all been redone. Sanitary installations (pipes, etc.) are also good. The bathroom would basically just need to be "replaced."

Regards
Ashley

Ashley, I deleted the full quote because you answered directly. Full quotes disrupt the flow of reading and are not necessary.

On the topic:
Experienced old building renovators will surely provide useful tips.

Sent with the [Handapparat]
Best regards, Sigi

We renovated a house from 1936 three years ago. Primarily, it looked like how you described it.

What had to be done after the previous owners moved out and after inspection by the architect:

complete gutting (Do it yourself)
~ €2000 for Hilti etc.

Electrical system completely new ~ €18000

Sanitary and heating pipes new (without new boiler) + 2 bathrooms in normal standard ~ €35000

Sanding doors and repainting + painting throughout the whole house ~ €12000

2 windows expanded into patio doors
~ €10000

Terrace extension ~ €20000

Tiling work (kitchen, 2 bathrooms) €15000 with underfloor heating in one bathroom

Parquet on 2 floors ~ €20000

Laminate in the attic ~ €6000

Locking system ~ €1500

Noise protection wall on one floor €3500, since it is a semi-detached house.

I would generally pay attention to noise protection in a house from that era. From today's perspective, we should have done more there.

All in all, the renovation cost us about €200000. "Old" remained only the roof, facade, and some windows, as well as the entrance doors because the previous owner had those done in the last 10 years.

Maybe this helps with planning.

Susi