uPVC & aluminium windows in Gipuzkoa. Design online and get up to 3 quotes.
See a fair market price in Gipuzkoa in 2 minutes — before you talk to any seller. Design your window with Estimia and let vetted local installers compete for the job.
Climate & code · Gipuzkoa
What a window here actually has to do
Gipuzkoa is one of the rainiest areas in Spain, with a very humid Atlantic climate and mild temperatures. A window with an excellent weather rating against rain, plus corrosion-resistant hardware, is the way to go.
Under the Spanish building code ( CTE DB-HE1), Gipuzkoa is climate zone D1 — cold winter, mild summer.
- Max window Uw
- ≤ 1.8 W/m²K
- Max air leakage
- ≤ 9 m³/h·m²
A new or replacement window in Gipuzkoa must not exceed Uw 1.8 W/m²K. Summer is mild here, so the priority is high-insulation glazing .
Source: CTE DB-HE1, tables 3.1.1.a & 3.1.3.a; zonification Anejo B (2019).
Monthly weather, typical year
- Avg
- 14.9 °C
- Warmest
- Aug 24.1°
- Coldest
- Jan 6.2°
- Rain / yr
- 1704 mm
Source: Open-Meteo / ERA5 reanalysis, 2014–2023 averages.
Skip the guesswork
We've already pre-configured the calculator for Gipuzkoa's climate. Just enter the dimensions.
We pre-set Uw ≤ 1.8 and high-insulation glazing for Gipuzkoa, then let vetted installers compete. Get up to 3 quotes in 2 minutes.
uPVC windows for Gipuzkoa
A selection of uPVC profiles suited to Gipuzkoa's climate — from economy to premium.
Kömmerling EuroFutur Elegance
Rehau Brillant-Design 70
WDS 76 AD (76 mm)
Aluminium windows for Gipuzkoa
Thermal-break aluminium profiles for slim frames and large glazed openings.
Schüco AWS 75.SI+
Cortizo COR 70 Industrial
Cortizo COR 70 Hoja Oculta
Schüco AWS 65
Frequently asked questions about windows in Gipuzkoa
How much does it cost to replace windows in Gipuzkoa?
Price depends mostly on size, material and opening type — not really on the province. Per the Estimia price index, built from real quotes by verified manufacturers, a standard installed PVC window is around €335 (incl. reduced VAT and fitting); thermal-break aluminium is around €640. For your exact size, use the calculator and get real quotes.
PVC or aluminium in Gipuzkoa?
In Gipuzkoa’s wet Atlantic climate, watertightness and wind resistance are decisive. Both PVC and well-coated aluminium work; on the seafront, corrosion-resistant hardware extends the window’s life.
How do I get quotes from companies in Gipuzkoa?
Design your window in the Estimia calculator — dimensions, colour and finish — and you’ll get up to 3 offers from vetted companies working in Gipuzkoa. You compare price, lead time and reviews. It’s free and no-obligation, and many of our companies speak English.
Are there grants for new windows in Gipuzkoa?
There are usually tax deductions and energy-efficiency grants, both national and regional. Amounts and deadlines change every year, so confirm the current call before you commit. Estimia helps you estimate the saving and compare quotes.
Your fair window price in Gipuzkoa, in 2 minutes
Design your windows and get up to 3 quotes from vetted installers. Free and no-obligation.







