"Figure 7: Falls in the relative valuation of London projects in 2018 led to weight changes meaning lower output in 2018","" "London construction output, 11 February 2020 release compared with 12 May 2021 data, current price, non-seasonally adjusted, Quarter 1 (Jan to Mar) 2010 to Quarter 1 2021","" "","" "Notes","" "Unit","£ million" "","" "","Previous release","Latest release" "Q1 2010","5004","5004" "Q2 2010","5432","5432" "Q3 2010","5685","5685" "Q4 2010","5560","5561" "Q1 2011","5274","5253" "Q2 2011","5884","5843" "Q3 2011","6445","6398" "Q4 2011","6382","6335" "Q1 2012","5838","5814" "Q2 2012","5861","5843" "Q3 2012","6131","6100" "Q4 2012","6146","6104" "Q1 2013","5613","5584" "Q2 2013","6003","5936" "Q3 2013","6417","6337" "Q4 2013","6448","6340" "Q1 2014","6459","6387" "Q2 2014","7030","6997" "Q3 2014","7302","7242" "Q4 2014","7219","7143" "Q1 2015","7016","6944" "Q2 2015","7619","7507" "Q3 2015","7744","7673" "Q4 2015","7955","7966" "Q1 2016","7764","7855" "Q2 2016","8304","8405" "Q3 2016","8628","8848" "Q4 2016","8454","8710" "Q1 2017","8452","8656" "Q2 2017","8671","8753" "Q3 2017","9077","8927" "Q4 2017","8969","8617" "Q1 2018","8246","7660" "Q2 2018","8760","8048" "Q3 2018","8788","8129" "Q4 2018","8601","8142" "Q1 2019","8257","7887" "Q2 2019","8851","8668" "Q3 2019","9180","9196" "Q4 2019","9017","9071" "Q1 2020","","8433" "Q2 2020","","5696" "Q3 2020","","8600" "Q4 2020","","8900" "Q1 2021","","8610"