Renovation budget for a 220 m² Warsaw condo near the preferred school

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buildTheAtlas

Homeowner
I’m assessing a 220 m² condo in Warsaw partly because of the school catchment, but the renovation risk could change the decision. My preliminary budget is PLN 416,000 for the kitchen, bathrooms, flooring, paint, electrical checks and moderate energy upgrades. No structural extension is planned. What contingency would you carry, and which survey or contractor questions best expose hidden conditions, sequencing problems and exclusions before committing?
 
I would initially hold 15–20% outside the PLN 416,000, then reduce it only after opening-up inspections and firm quotations. The expensive surprises are more likely to be electrical replacement, inaccessible plumbing and damaged substrates than finishes. Ask each contractor what they assume about rewiring, pipe access, floor levelling, moisture repairs, waste removal and making good after services work.
 
How old is the building, and are the kitchen and bathrooms staying in their current locations? Moving wet areas changes the plumbing question considerably. Also establish whether the PLN 416,000 includes tax, design work, supervision, appliances and temporary accommodation. Without consistent inclusions, contingency percentages do not tell you much.
 
One more sequencing point: ask the building administration about working-hour restrictions, access for debris removal, planned riser works and any approvals your proposed scope may need. Then get lead times for the kitchen, sanitary fittings, flooring and electrical components. A contractor can appear available while the actual programme is being driven by one late item.
 
I’m not convinced a blanket 20% reserve is automatically the answer. On a well-investigated condo it may simply hide a vague scope. I’d pay first for targeted inspection of the distribution board and circuits, moisture readings around wet rooms, plumbing access, and a few agreed floor or wall probes. Price identified repairs separately, then keep contingency for what genuinely remains unknown.
 
“No extension” does not necessarily mean no structural issue. Removing partitions, chasing services, replacing heavy floor build-ups or finding cracked screed can still require more investigation. Have the contractor mark every proposed demolition item and state which walls and floor layers are assumed non-structural. If anything is uncertain, clarify it before demolition and confirm locally what approvals are required.
 
For tenders, issue the same room-by-room scope to everyone and demand a written exclusions list. Useful questions: Who disconnects and reconnects services? Are wall repairs after rewiring included? How much floor levelling is allowed? Who handles leaks discovered after strip-out? Are protection of common areas, debris, final cleaning and return visits included? Those answers will make the bids far more comparable.
 
Because the school catchment is part of the decision, programme risk may matter as much as the final cost. Work backwards from the date the condo needs to be usable, add time for administration and material orders, and identify which rooms could be completed first if the project slips. I would also avoid ordering fitted items until dimensions have been verified after any necessary strip-out.
 
The practical next step is a two-stage budget: survey and limited opening-up first, revised contractor pricing second. Keep the larger reserve while electrical condition, plumbing routes and moisture remain unclear. Once those items are documented and contractor exclusions are closed, the reserve can be narrowed. Also ask for a sequencing schedule tied to decisions and deliveries, not just a start and finish date.
 
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