Construction Calculator for Spain

Free construction calculators preconfigured for Spain. FRELUX runs every calculation with this market's template defaults: local wall units, 25kg cement bags, and local electrical and plumbing practice. Prices come from the live price database in EUR (€).

Spain building-practice defaults

• Default wall unit: Ladrillo hueco doble (240x115x70mm) (240 x 70 x 115 mm)
• Cement bag weight: 25 kg
• Currency: EUR (€)

Electrical practice

• Standards: REBT - Real Decreto 842/2002 (Reglamento Electrotécnico para Baja Tensión) + ITC-BT notes
• Nominal voltage: 230V single-phase / 400V 3-phase
• Typical wiring: Cu singles (H07V-K / RZ1-K) in embedded corrugated PVC conduit (tubo empotrado) or surface conduit

Plumbing practice

• Standards: Código Técnico de la Edificación - DB HS-5 (CTE); UNE-EN 806, UNE-EN 12056
• Water supply piping: Multilayer PEX-Al-PEX (UNE-EN ISO 21003) or PEX-b (UNE-EN ISO 15875) with press/compression fittings

Start a calculation

• Build-to-Roof Estimator: full construction cost from foundation to roof
• BOQ Generator: bill of quantities with VAT and contingency
• Electrical Estimator: wiring takeoff per Spain practice
• Plumbing Estimator: water supply and drainage takeoff
• Regional Cost Index: current material price levels

Are these figures certified for Spain?

They are template starting defaults for quantity takeoffs, referenced to the standards listed above. Always confirm sizes, materials and current prices with your local supplier or licensed professional before purchasing.