|Seasonally Adjusted Production in Building and Construction Index|
|(Base Year 2015=100)|
|Volume Index||Value Index|
|Quarterly % change||7.5||5.4|
|Annual % change||-1.4||6.0|
The volume of production in construction increased by 7.5% in Quarter 3 2021 compared to Quarter 2 2021 on a seasonally adjusted basis. On an annual basis, volume fell by 1.4% in Quarter 3 2021. Activity in the construction sector remains lower than pre-pandemic levels with production volume in Quarter 3 2021 down 9.8% compared to Quarter 3 2019. This is also the case in the residential and non-residential categories where activity levels remain lower than Q3 2019, however activity levels in the civil engineering increased by 6.7% in Q3 2021 compared to Q3 2019 .
The Residential sector showed the largest quarterly increase with a rise of 23.9% in the seasonally adjusted volume index while the Non-Residential sector increased by 5.8%. The Civil Engineering sector increased by 4.7%.
Annually, the Civil Engineering sector saw a volume increase of 20.6% in the seasonally adjusted index. The Residential sector also increased annually by 7.7% while the Non-Residential sector decreased by 6.5%.
The seasonally adjusted value index for construction increased by 5.4% on a quarterly basis and by 6.0% on an annual basis. It should be noted that the deflator (i.e. the Capital Goods price index) used in the calculation of the Production in Building and Construction Index has seen increases in recent months. See background notes and the Wholesale Price Index release for more details.
Further information on seasonal adjustment is available in the CSO's video on Seasonal Adjustment. See Tables 1a, 1c, 2a & 2b and Figures 1 & 2.