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

Turn your attic into a true floor

Ridge raising lifts the ridge of your roof so you can stand across the entire attic. Often more cost-effective than an extension, more invasive than a dormer. We explain costs, planning permission, construction, and possible layouts — factual and without sales talk.

Basics

What is ridge raising and when to choose it

2 pages
Costs & planning permission

Price, municipal fees, and the planning permission process

2 pages
Technical details

Construction, insulation, and alternatives

2 pages
Application

What to do with the gained space?

1 page

Unsure whether to choose a dormer or ridge raising?

For one extra room, a dormer is often sufficient — and cheaper. For two or more rooms with full standing height, ridge raising is usually the better investment.