Interactive tool
Damp Remediation Cost Estimator
Estimate DPC injection, replastering, and survey costs for Porto properties. Based on June 2026 metro price bands.

Estimated total
€1948 – €2750
Excl. IVA · Porto metro midpoints, June 2026
| Line item | Estimate (EUR) |
|---|---|
| DPC injection | €868 |
| Plaster removal | €384 |
| Replaster | €720 |
| Survey | €320 |
| Total midpoint | €2292 |
How to use this tool
- Measure total wall length requiring DPC injection (metres).
- Estimate plaster area to remove and replace (m²) up to tide height.
- Add optional survey, tanking, or ventilation lines.
- Book a survey to convert the estimate to a fixed quote.
Related
It uses our Q1–Q2 2026 quote midpoints. Final price depends on access, wall thickness, and salt contamination. Book a survey for a fixed quote.
No — displayed totals are excl. 23% Portuguese IVA unless noted.
Yes. Select additional options for basement tanking per m² and PIV installation.