Your appraisal questions, explained.

Start with what you need to know. Use a guide, look up a term or try a calculator.

Mortgage and appraisal

The report your lender requires, the inspection and your financing.

NHG limits in 2026

What is in an NWWI report?

Appraisal for a bridge mortgage

Reports and costs

Report differences, prices and deductible costs.

Desktop or NWWI?

What does an appraisal cost?

Are appraisal costs deductible?

A term you want to look up?

From NWWI to owners associations. Search the glossary.

27 terms found. Open a term for its explanation.

Aesthetic Regulations (Welstandseisen)

Municipal rules regarding a property's exterior appearance, particularly strict for heritage and monument homes.

The municipal aesthetic committee (welstandscommissie) ensures renovations harmonize with the local neighborhood. For historical monuments or protected areas, these rules are extremely strict and can impact insulation or solar upgrades.

Age Clause (Ouderdomsclausule)

A purchase contract clause stating the buyer cannot expect the same structural quality from an older home as a new one.

The age clause protects sellers of older homes (typically over 30-40 years old) from claims regarding structural or piping issues related to natural wear and tear or aging of construction materials.

Appraisal Gap

The difference between the amount you bid on a home and the actual market value determined by an independent appraiser.

An appraisal gap occurs when overbidding exceeds the property's true market value in a competitive market. Since lenders only finance up to 100% of the appraised value, buyers must cover this difference with their own personal capital.

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Asbestos Clause

A standard purchase contract clause stating the seller is not liable if asbestos is subsequently discovered.

For properties built prior to 1994 (when asbestos was legally banned in the Netherlands), an asbestos clause is standard. It shifts the liability and potential remediation costs from the seller to the buyer.

Bridge Mortgage (Overbruggingshypotheek)

A temporary loan enabling you to unlock home equity in your current, unsold property to purchase a new home.

A bridge mortgage allows you to temporarily borrow the home equity locked in your current property. Since the old home is not yet sold, lenders require an NWWI appraisal report to verify the market value and define a safety margin.

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Energy Label Leap

Improving your property's energy efficiency rating (e.g., from D to A) via insulation, solar panels, or a heat pump.

An energy label leap is achieved by investing in energy-saving measures. In the current Dutch housing market, improving the energy label leads to an asymmetrical rise in market value and qualifies you for additional mortgage capacity.

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