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New-build house model in Belgium: how to choose?

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By Edouard Hennin, Provisional reception expert
Published on 27 May 2026 Updated on 27 May 2026 5 min read

The new-build house models offered by developers simplify choice but frame personalisation.

1. Developer catalogue

Type plans, standardised finishes. See turnkey house.

2. Personalisation and additional costs

Limited room for manoeuvre. See new-build house to build for comparison.

3. Local market

See new-build house Brussels.

Questions on new-build house models

Can a model be modified?
Yes, within limits defined by the developer (structure, plumbing, electrics). Each modification is the subject of an amendment.
What additional cost for personalisation?
Small modifications: 2-5% of total price. Major modifications (moving a load-bearing wall): up to 10%.

Choosing a model?

Our expert audits specifications and options before signing.