3601487
2025-07-19 11:29:18
- #1
Hello!
So, I just wanted to give a quick update for those who are interested:
The building permit is finally here, the construction start notification has been submitted, and we are finally starting on 07/28! It was a long and tough battle with energy consultants, architects, structural engineers, surveyors, the building authority, and the nature conservation authority (we are extensively rebuilding in a protected area...). But now everything is settled and we “just” have to plant 50m of hedge and eight fruit trees... :D But I would have done that anyway.
I now have offers for everything regarding the costs and have already selected my contractors. We will award everything in individual contracts to the companies; the architect will now only do detailed plans for statically relevant issues and critical topics such as waterproofing or similar. He will also perform the site management for these tasks; I will coordinate all other trades/construction measures myself and also keep the construction diary.
Here is a small overview of the currently planned costs:
In total, that is approx. €586,000 (gross prices) for a total of 157 m² living space + 38 m² usable space. That puts me about €40,000 above the initial cost estimate. The roof, above all, became more expensive since we are now getting a completely new roof. There is still a buffer of about €50,000 available; the financing is signed and came out combined at 3.34% (KFW 261).
In the week after next, we will begin with the excavation of the basement, sealing and insulation, the house connection, and the wastewater, drainage, and rainwater pipes. Then all support systems will be installed in the house, and the window and door openings will be created. After that comes the retaining wall for the carport, and then finally the scaffolding. My goal for this year is to complete a new, tight roof, the ETICS, and the windows so that the building is weatherproof. A bonus would be if we could renew or insulate and lower the foundation slab this year... In winter/spring, the interior finishing work will follow, so I can move into the house around this time next year. As soon as the roof, foundation slab, and facade are finished, I will make five cross signs. After that, it will be “easier.”
Self-performed work includes:
Attached you will find some self-made renderings of the building. Most craftsmen will probably work on an hourly or material cost basis. When I request fixed prices, I either don’t get them or they are absurdly expensive because they include a risk surcharge of 25%. But I can also understand this; in a renovation you often only see what needs to be done once the component has been opened. In the absolute worst case, we could free up an additional 20-30k emergency buffer on top of the 50k buffer. But by now I have a pretty good feeling about all costs and craftsmen.
What do you notice? Are there any anomalies regarding the costs?
Otherwise, have a nice weekend!
So, I just wanted to give a quick update for those who are interested:
The building permit is finally here, the construction start notification has been submitted, and we are finally starting on 07/28! It was a long and tough battle with energy consultants, architects, structural engineers, surveyors, the building authority, and the nature conservation authority (we are extensively rebuilding in a protected area...). But now everything is settled and we “just” have to plant 50m of hedge and eight fruit trees... :D But I would have done that anyway.
I now have offers for everything regarding the costs and have already selected my contractors. We will award everything in individual contracts to the companies; the architect will now only do detailed plans for statically relevant issues and critical topics such as waterproofing or similar. He will also perform the site management for these tasks; I will coordinate all other trades/construction measures myself and also keep the construction diary.
Here is a small overview of the currently planned costs:
| Sanitary, HVAC | €53,000.00 |
| Sanitary equipment (mostly self-performed) | €8,000.00 |
| Ventilation | €10,000.00 |
| Electrical installation/Smart Home full equipment (material costs only) | €35,000.00 |
| Photovoltaic system and storage | €10,000.00 |
| Change of house connections | €1,500.00 |
| Roof, carport, entrance roof, and dormers | €65,000.00 |
| Blown-in insulation of roof and dormer walls | €23,000.00 |
| Drywall (ceilings and walls) | €25,000.00 |
| Tiles, underfloor heating, and floor construction (screed) | €52,000.00 |
| Landscaping work, paving, terrain adjustments | €50,000.00 |
| External thermal insulation composite system (ETICS) and exterior window sills | €35,000.00 |
| Scaffolding | €4,000.00 |
| Floor coverings (material only) | €3,000.00 |
| Balcony including carport supports and covering | €40,000.00 |
| Perimeter insulation | €11,000.00 |
| Retaining walls for carport | €20,000.00 |
| Other masonry work | €8,000.00 |
| Support systems and lintels for windows/doors | €14,000.00 |
| Foundation slab | €17,000.00 |
| Windows, roller shutters, and front door | €39,000.00 |
| Interior window sills | €4,000.00 |
| Interior doors | €8,000.00 |
| Plastering | €8,000.00 |
| Stairs | €23,000.00 |
| Miscellaneous (incidental costs, planners, ...) | €20,000.00 |
In total, that is approx. €586,000 (gross prices) for a total of 157 m² living space + 38 m² usable space. That puts me about €40,000 above the initial cost estimate. The roof, above all, became more expensive since we are now getting a completely new roof. There is still a buffer of about €50,000 available; the financing is signed and came out combined at 3.34% (KFW 261).
In the week after next, we will begin with the excavation of the basement, sealing and insulation, the house connection, and the wastewater, drainage, and rainwater pipes. Then all support systems will be installed in the house, and the window and door openings will be created. After that comes the retaining wall for the carport, and then finally the scaffolding. My goal for this year is to complete a new, tight roof, the ETICS, and the windows so that the building is weatherproof. A bonus would be if we could renew or insulate and lower the foundation slab this year... In winter/spring, the interior finishing work will follow, so I can move into the house around this time next year. As soon as the roof, foundation slab, and facade are finished, I will make five cross signs. After that, it will be “easier.”
Self-performed work includes:
[*]Electrical installation, here Loxone / KNX / DALI etc. will be used. All VERY high quality and complex. I’m an electrician myself, so I’m doing it completely myself. The control cabinet is almost finished already.
[*]Floor coverings (click parquet in bedrooms and office), tiles will be installed by a specialist company
[*]Painting and wallpapering work
[*]Sanitary equipment (mirror cabinets, washbasins)
[*]Demolition and disposal work (almost all done)
[*]Otherwise, I’m on the construction site 10 hours every day helping wherever I can.
Attached you will find some self-made renderings of the building. Most craftsmen will probably work on an hourly or material cost basis. When I request fixed prices, I either don’t get them or they are absurdly expensive because they include a risk surcharge of 25%. But I can also understand this; in a renovation you often only see what needs to be done once the component has been opened. In the absolute worst case, we could free up an additional 20-30k emergency buffer on top of the 50k buffer. But by now I have a pretty good feeling about all costs and craftsmen.
What do you notice? Are there any anomalies regarding the costs?
Otherwise, have a nice weekend!