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Tilstandsgrad (TG, condition grade)

The condition grade ranks each building part from TG0 to TG3: TG2 means a significant defect, TG3 a large or serious one (with cause, consequence, and cost estimate).

The tilstandsgrad ranks each building part from TG0 to TG3. TG0 and TG1 are normal for the age, TG2 is a significant deviation, and TG3 is a large or serious one. For both TG2 and TG3 the surveyor describes the cause and consequence, and for TG3 also gives a repair-cost estimate. The TG2 and TG3 points show where the money and the risk sit.

Read more in the guide The Norwegian condition report: reading TG2, TG3 and hidden defects (2026)

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