Case stories
2 December 2025
Hasslacher Group: award-winning PEFC-certified headquarters built in eight months
Project certification
A new timber office has been turning heads in Europe’s sustainable construction sector. The Hasslacher Group’s new headquarters in Preding, Austria, is a three-storey, 2,221m² workplace, has achieved PEFC project certification.
25 April 2024
Notre-Dame de Paris: project certification awarded for rebuilt roof structure
Project certification
PEFC project certification was awarded for the rebuilding of the roof structure of Notre-Dame de Paris cathedral. The parts destroyed by the fire in April 2019 were rebuilt identically, using the same techniques and materials as the original: solid oak.
18 March 2020
Villa Grenaa: world’s first PEFC-certified one-family house
Project certification
Villa Grenaa, a construction project in the town of Grenaa, is the world’s first PEFC-certified one-family house and marks the beginning of a new era in the Danish construction industry.
4 February 2020
Olympic venue: Japan’s first sports facility to achieve project certification
Project certification
One of the venues for the Olympic and Paralympic Games in Tokyo, the indoor tennis court of the Ariake Tennis Park Club House, is Japan’s first sports facility to achieve SGEC/PEFC project certification.
26 June 2019
Sydney Metro Northwest: first public transport project to achieve PEFC project certification
Project certification
The new Sydney Metro is the first project of its type the southern hemisphere to achieve PEFC project certification.