Blog — Page 4

PVC and aluminium are the two frames you will be quoted for almost every window in Spain, and the right answer changes from Valencia to Vigo. This guide compares them head-to-head on insulation, price per m², coastal durability, sizes, colours and noise, then gives a clear verdict by scenario and region.

Do you really need a permit to change your windows in Spain? Usually yes — but whether it's a quick declaración responsable or a full licencia de obra menor depends on your town hall, your community and whether the façade changes. This step-by-step guide covers permits, community approval, protected zones, costs, timelines and the real consequences of skipping the paperwork.

Traffic, terraces, airports and nightlife — Spanish streets are loud, and your windows are the weakest link. This guide explains acoustic ratings (dB and Rw), exactly what makes a window quiet, the realistic noise reduction you can expect, and precisely what to specify in a quote so you can compare verified companies on equal terms.

In Andalusia and along the coast, the real battle is keeping heat out, not in. This guide compares solar-control glass, the g-value that actually governs how much sun gets through, and every layer of shading from persianas and toldos to lamas, films and screens — with realistic costs and an orientation-by-orientation strategy for a cooler home and lower air-conditioning bills.

In 2026 you can stack two distinct savings on new windows in Spain: a NextGenerationEU direct grant of up to 40% (around €3,000) and an IRPF tax deduction of up to 60%. This guide explains both, the exact requirements, the paperwork in order, the deadlines, and the mistakes that get claims rejected.

The oscilobatiente window opens two ways from a single handle: tilt inward for safe ventilation or swing fully open for cleaning. Here's how the mechanism works, how it compares with sliding and casement windows, and what it costs in Spain in 2026.