ILE Kosztują BŁĘDY REMONTOWE? Nie Płać Dwa Razy

RENOVATION ERRORS aren't just theoretical – they mean thousands of zlotys wasted. 👇 Guides, Tools, Materials - Knowledge Base and Toolbox: 🌐 https://www.proprostu.pl 🎬 Watch my other videos: ✅ Costs and Fraud +    • KOSZTY I OSZUSTWA: Jak nie stracić fortuny...   ✅ Construction Strategy +    • STRATEGIA BUDOWY: Gdzie i jak zacząć? BUDO...   ✅ Renovation Mistakes +    • BŁĘDY REMONTOWE: Zobacz, zanim zniszczysz dom   📩 Contact/Cooperation: [email protected] In this video, I show you how much it really costs to renovate an apartment. When you have to repair what you "saved" a few years ago. Does insulating from the inside with Styrofoam make sense, or is it just a false saving that will end up with mold on the walls? I discuss the specific costs of dismantling, demolishing, and re-plastering, which can amount to several thousand złoty for a single room. You'll also learn why the order of work is crucial for your budget and why a single forgotten electrical outlet can cost you 1,000 złoty. This is a reliable profit and loss statement for every investor in 2026. 📍 IN THIS EPISODE: 0:00 How much do renovation mistakes really cost? 0:40 Saving on heating – is it worth it? 1:41 Insulating from the inside – a story of failure and moisture 3:14 Styrofoam vs. Multipor – which to choose? 4:19 Dismantling costs: PLN 1,500 for labor alone 6:00 Apparent savings – calculations after 20 years 7:01 Powdering a teddy bear: How chemicals mask problems 8:52 Cheap glue and cold walls – why do skirting boards fall off? 11:15 DIY repair vs. a company (cost PLN 2,000+) 12:00 Why do your windows need vents? 13:08 Wall heat recovery ventilation – how to get 40 cents back from every złoty 15:40 Can you build a heat recovery unit for PLN 300? 18:13 Sequence of work – the simplest way to save 19:14 Why does one plastered outlet cost PLN 1,000? 20:45 Installation planning: Make more outlets than you need! 21:52 Summary: How to wisely plan a renovation? ───────────────────────────────── ⚠️ Note: The content on this channel is my subjective opinion. Always consult a licensed professional before purchasing or renovating a property. This material contains affiliate links and self-promotion – they help me continue to provide free knowledge. Thank you for your support! ────────────────────────────────── #Construction #Renovation #proprostu #proprostu #renovation #renovationcosts #renovationerrors #insulation #heatrecovery #renovation2026 #housebuilding