Costain Group PLC (COST) — Net Asset Quality Index
Costain Group PLC (COST) has a Net Asset Quality Index of 46.0% as of December 2025. This metric measures the proportion of total assets financed by shareholders' equity — total assets of GBX561.90 Million minus total liabilities of GBX303.70 Million yields net assets of GBX258.20 Million. A higher index indicates a stronger, lower-leverage balance sheet. See Costain Group PLC (COST) liquidity interval to measure how many days the company can operate on defensive assets alone.
Quality Index
Net Assets
Total Assets
Total Liabilities
Costain Group PLC Net Asset Quality Index Over Time (1985–2025)
This chart shows how Costain Group PLC's Net Asset Quality Index has evolved across 41 annual periods from 1985 to 2025. As of December 2025, the index stands at 46.0%, representing net assets of GBX258.20 Million against total assets of GBX561.90 Million GBX. Explore Costain Group PLC (COST) cash flow conversion to assess how effectively this company generates cash.
Annual Net Asset Quality Index for Costain Group PLC (1985–2025)
The table below presents the year-by-year Net Asset Quality Index for Costain Group PLC from 1985 to 2025, covering 41 annual filings. Each row shows total assets, total liabilities, net assets, the quality index percentage, and the change in percentage points compared to the prior year. For market capitalisation and the full company profile, see COST stock market capitalisation.
| Year | Quality Index | Net Assets (GBX) | Total Assets | Total Liabilities | Change (pp) |
|---|---|---|---|---|---|
| 2025 | 46.0% | GBX258.20 Million | GBX561.90 Million | GBX303.70 Million | ▲ +2.9 pp |
| 2024 | 43.1% | GBX235.70 Million | GBX547.20 Million | GBX311.50 Million | ▼ -3.7 pp |
| 2023 | 46.8% | GBX219.40 Million | GBX468.60 Million | GBX249.20 Million | ▲ +3.0 pp |
| 2022 | 43.8% | GBX211.20 Million | GBX482.20 Million | GBX271.00 Million | ▲ +6.4 pp |
| 2021 | 37.4% | GBX199.00 Million | GBX532.40 Million | GBX333.40 Million | ▲ +5.4 pp |
| 2020 | 31.9% | GBX156.50 Million | GBX489.90 Million | GBX333.40 Million | ▲ +3.4 pp |
| 2019 | 28.5% | GBX157.70 Million | GBX552.50 Million | GBX394.80 Million | ▼ -3.2 pp |
| 2018 | 31.7% | GBX182.30 Million | GBX574.60 Million | GBX392.30 Million | ▲ +8.5 pp |
| 2017 | 23.2% | GBX154.00 Million | GBX663.00 Million | GBX509.00 Million | ▲ +7.8 pp |
| 2016 | 15.4% | GBX99.60 Million | GBX646.20 Million | GBX546.60 Million | ▼ -7.2 pp |
| 2015 | 22.7% | GBX120.60 Million | GBX532.40 Million | GBX411.80 Million | ▼ -1.6 pp |
| 2014 | 24.3% | GBX110.80 Million | GBX456.40 Million | GBX345.60 Million | ▲ +12.9 pp |
| 2013 | 11.4% | GBX43.30 Million | GBX381.30 Million | GBX338.00 Million | ▲ +3.3 pp |
| 2012 | 8.1% | GBX31.80 Million | GBX393.70 Million | GBX361.90 Million | ▲ +1.1 pp |
| 2011 | 7.0% | GBX30.80 Million | GBX440.40 Million | GBX409.60 Million | ▼ -2.5 pp |
| 2010 | 9.5% | GBX37.60 Million | GBX396.30 Million | GBX358.70 Million | ▲ +10.4 pp |
| 2009 | -0.9% | GBX-3.80 Million | GBX429.00 Million | GBX432.80 Million | ▼ -9.2 pp |
| 2008 | 8.3% | GBX33.60 Million | GBX406.30 Million | GBX372.70 Million | ▲ +0.7 pp |
| 2007 | 7.6% | GBX27.40 Million | GBX359.90 Million | GBX332.50 Million | ▲ +25.8 pp |
| 2006 | -18.1% | GBX-55.20 Million | GBX304.30 Million | GBX359.50 Million | ▼ -11.3 pp |
| 2005 | -6.8% | GBX-22.50 Million | GBX329.80 Million | GBX352.30 Million | ▲ +9.2 pp |
| 2004 | -16.0% | GBX-44.50 Million | GBX278.00 Million | GBX322.50 Million | ▼ -24.1 pp |
| 2003 | 8.1% | GBX17.90 Million | GBX222.00 Million | GBX204.10 Million | ▲ +6.6 pp |
| 2002 | 1.5% | GBX3.00 Million | GBX204.10 Million | GBX201.10 Million | ▼ -1.0 pp |
| 2001 | 2.4% | GBX4.30 Million | GBX177.40 Million | GBX173.10 Million | ▼ -10.8 pp |
| 2000 | 13.2% | GBX25.80 Million | GBX195.80 Million | GBX170.00 Million | ▼ -1.6 pp |
| 1999 | 14.8% | GBX29.10 Million | GBX197.20 Million | GBX168.10 Million | ▲ +6.1 pp |
| 1998 | 8.6% | GBX18.90 Million | GBX218.90 Million | GBX200.00 Million | ▲ +1.8 pp |
| 1997 | 6.8% | GBX19.70 Million | GBX288.10 Million | GBX268.40 Million | ▲ +11.0 pp |
| 1996 | -4.2% | GBX-16.00 Million | GBX381.30 Million | GBX397.30 Million | ▲ +2.3 pp |
| 1995 | -6.5% | GBX-30.80 Million | GBX475.10 Million | GBX505.90 Million | ▼ -21.7 pp |
| 1994 | 15.2% | GBX101.70 Million | GBX668.30 Million | GBX566.60 Million | ▼ -14.3 pp |
| 1993 | 29.5% | GBX227.90 Million | GBX772.80 Million | GBX544.90 Million | ▲ +22.0 pp |
| 1992 | 7.5% | GBX75.00 Million | GBX999.80 Million | GBX924.80 Million | ▼ -17.9 pp |
| 1991 | 25.4% | GBX276.30 Million | GBX1.09 Billion | GBX813.00 Million | ▼ -6.1 pp |
| 1990 | 31.4% | GBX365.20 Million | GBX1.16 Billion | GBX796.40 Million | ▼ -2.2 pp |
| 1989 | 33.6% | GBX456.70 Million | GBX1.36 Billion | GBX900.90 Million | ▼ -14.0 pp |
| 1988 | 47.6% | GBX466.70 Million | GBX979.70 Million | GBX513.00 Million | ▲ +3.5 pp |
| 1987 | 44.1% | GBX358.00 Million | GBX811.80 Million | GBX453.80 Million | ▼ -5.4 pp |
| 1986 | 49.5% | GBX339.80 Million | GBX685.90 Million | GBX346.10 Million | ▲ +8.0 pp |
| 1985 | 41.6% | GBX261.10 Million | GBX627.80 Million | GBX366.70 Million | — |