Defects catalogue · 14 technical defects

Technical defects: diagnosis + recourse

Technical catalogue of the most frequently detected defects at reception or post-reception. For each defect: how to detect it, how to prove it, your legal recourse (Breyne Law guarantees, ten-year liability, two-year warranty), and the action timeframe.

For the general legal framework: see the Defects & construction flaws pillar.

Technical defect

Damp in a new home: sources and treatments in Belgium

Damp in a new-build in Belgium: infiltration, condensation, rising damp. Detection and remedies. Practical 2026 guide.

View diagnosis →
Technical defect

Facade defects: render, bricks, joints in new-builds

Defective facade in a new-build in Belgium: cracked render, broken bricks, joints. Detection and remedies. 2026 guide.

View diagnosis →
Technical defect

Floor and tile defects: flatness, joints, cracks in new-builds

Defective floors and tiles in a new-build in Belgium: flatness, joints, cracks, parquet. Remedies 2026.

View diagnosis →
Technical defect

Heating defects in a new home: 11 essential checks

Defective boiler, heat pump, underfloor heating in a new-build in Belgium: detection, warranties, remedies. Practical 2026 guide.

View diagnosis →
Technical defect

Insulation defects: thermal bridges, mineral wool settling in new-builds

Failed insulation in a new-build in Belgium: thermal bridges, wool settling, EPC compliance. Remedies 2026.

View diagnosis →
Technical defect

MVHR defects: noise, flow rate, balancing in new-builds

Defective MVHR in a new-build in Belgium: noise, flow rate, balancing, double-flow. Detection and remedies. 2026 guide.

View diagnosis →
Technical defect

Non-compliant electrics: RGIE standard, sockets, sub-panel

Non-compliant RGIE electrical installation in a new-build in Belgium: sockets, panel, earth. Detection and remedies. 2026 guide.

View diagnosis →
Technical defect

Paintwork and finishes defects: touch-ups, joints, skirtings in new-builds

Defective paintwork and finishes in a new-build in Belgium: touch-ups, skirtings, silicone joints. Remedies 2026.

View diagnosis →
Technical defect

Plumbing defects: leaks, pressure, drainage in new-builds

Defective plumbing in a new-build in Belgium: leaks, pressure, taps, drainage. Remedies 2026.

View diagnosis →
Technical defect

Roof defects: tiles, watertightness, insulation in new-builds

Defective roof in a new-build in Belgium: tiles, slates, watertightness, ridge. Detection and remedies. 2026 guide.

View diagnosis →
Technical defect

Roof framework defects: detect, prove, get repaired

Defective timber or steel framework in a new-build in Belgium: deformation, bracing, fixings. Practical 2026 guide.

View diagnosis →
Technical defect

Staircase defects: ergonomics, safety, fixings in new-builds

Defective timber or concrete staircase in a new-build in Belgium: handrails, riser height, fixings. Practical 2026 guide.

View diagnosis →
Technical defect

Structural cracks in a new-build: detect, prove, get repaired

Cracks in your new home in Belgium: severity thresholds, ten-year liability, who pays, how to report. Practical 2026 guide.

View diagnosis →
Technical defect

Window and frame defects: tightness, glazing, drainage in new-builds

Defective windows and frames in a new-build in Belgium: tightness, glazing, drainage. Detection and remedies. 2026 guide.

View diagnosis →

Have you identified a defect?

Describe the situation — we assess severity and your recourse options free of charge within 24 working hours. No commitment.

Request a diagnosis