English (beta) · translation in progress — some pages still show the Dutch source.
Loft conversion · comprehensive guide

Turn your loft into a fully-fledged floor

Bedroom, nursery, home office, or bathroom — a well-converted loft gives you an average of 20–35 m² extra living space without the need to build an extension. We explain per room function and structural component what it costs, which rules apply, and where the pitfalls lie.

Basics

What loft conversion involves and which rules apply

1 page
Room

Bedroom, nursery, home office, or bathroom in the loft

4 pages
Technical

Insulation, stairs, and daylight

3 pages

Converting a loft starts with the right intervention

For the structural work, you have three main choices: no roof alterations, installing a dormer, or ridge raising. Which one fits depends on space, budget, and aesthetic review. Compare the options: