In September 2023 compared with August 2023, seasonally adjusted production in the construction sector increased by 0.4% in the euro area and by 0.5% the EU, according to first estimates from Eurostat, the statistical office of the European Union. In August 2023, production in construction fell by 1.1% in the euro area and by 0.8% in the EU. In September 2023 compared with September 2022, production in construction decreased by 0.3% in the euro area and increased by 0.1% in the EU. Monthly comparison by construction sector and by Member State In the euro area in September 2023, compared with August 2023, civil engineering increased by 1.5% and building construction by 0.2%. In the EU, civil engineering increased by 1.1% and building construction by 0.3%. Among Member States for which data are available, the highest monthly increases in production in construction were recorded in Slovenia (+7.4%), Poland (+3.6%) and Slovakia (+2.3%). The largest decreases were observed in Hungary and Romania (both -1.9%), Portugal (-1.2%) and Austria (-0.9%). Annual comparison by construction sector and by Member State In the euro area in September 2023, compared with September 2022, building construction decreased by 0.3%, while civil engineering increased by 2.5%. In the EU civil engineering increased by 2.8% and building construction decreased by 0.1%. Among Member States for which data are available, the highest increases were recorded in Slovenia (+32.1%), Poland (+13.8%) and Romania (+10.9%). The largest annual decreases in production in construction were observed in Finland (-6.2%), Spain (-6.1%) and Hungary (-6.0%).