Interior Design EU https://interior-design.eu.com/ Reference site on the European standards, labels and statistics that shape interior work: EN 12464-1 lighting levels, EN 1335 seating, EN 14749 storage, EN 13501-1 fire classes, EU Ecolabel, EPREL energy labels and Eurostat cost data for Germany, France, Italy, Spain, the Netherlands and Poland. en-gb EN 12464-1 lighting levels: lux, UGR and uniformity by room https://interior-design.eu.com/standards/en-12464-1-lighting-levels/ https://interior-design.eu.com/standards/en-12464-1-lighting-levels/ EN 12464-1:2021 sets 500 lx on office desks, 100 lx in corridors and 200 lx in restaurants, with UGR, uniformity and Ra per room and the 2021 modifiers. Sun, 13 Sep 2026 00:00:00 GMT EN 1335-1 office chair dimensions and EN 14749 storage loads https://interior-design.eu.com/standards/en-1335-office-chairs-en-14749-storage-units/ https://interior-design.eu.com/standards/en-1335-office-chairs-en-14749-storage-units/ EN 1335-1:2020 seat heights of 400 mm to 520 mm for a type A chair and 430 mm to 480 mm for type C, plus EN 14749 shelf loads and wall unit overload tests. Sun, 13 Sep 2026 00:00:00 GMT EN 13501-1 fire classes for wall, ceiling and floor finishes https://interior-design.eu.com/standards/en-13501-1-fire-classes-wall-floor-finishes/ https://interior-design.eu.com/standards/en-13501-1-fire-classes-wall-floor-finishes/ EN 13501-1 Euroclasses A1 to F with smoke and droplet sub-classes: test thresholds, floor classes A1fl to Ffl, and the classes wood and panels get untested. Sun, 13 Sep 2026 00:00:00 GMT EPREL and the A to G energy label for light sources https://interior-design.eu.com/labels/eprel-energy-label-light-sources-a-to-g/ https://interior-design.eu.com/labels/eprel-energy-label-light-sources-a-to-g/ Since 1 September 2021 every EU light source carries an A to G label: class A needs 210 lm/W, G is below 40 lm/W. EPREL registration and the 2023 phase-out. Sun, 13 Sep 2026 00:00:00 GMT EU Ecolabel for furniture and paints: criteria, limits and fees https://interior-design.eu.com/labels/eu-ecolabel-furniture-paints-criteria-fees/ https://interior-design.eu.com/labels/eu-ecolabel-furniture-paints-criteria-fees/ EU Ecolabel furniture criteria cap formaldehyde at half the E1 limit and require five-year guarantees; 2025 paint criteria cap VOC at 10 g/l. Fees and figures. Sun, 13 Sep 2026 00:00:00 GMT Interior fit-out costs compared: six EU countries, Eurostat data https://interior-design.eu.com/market/interior-fit-out-costs-eu-country-comparison/ https://interior-design.eu.com/market/interior-fit-out-costs-eu-country-comparison/ Eurostat data for six EU countries: construction labour from 15.6 EUR an hour in Poland to 47.7 EUR in the Netherlands in 2025, furniture and building prices. Sun, 13 Sep 2026 00:00:00 GMT