Costain Share Price Prediction (2025-2030): Expert Analysis & Predictions
Jun 9, 2025 | By Team SR

Costain Group plc, founded in 1865, is one of the UK’s most renowned infrastructure solution providers. Specializing in engineering and construction services, Costain plays a crucial role in developing the UK’s highways, rail, energy, and water sectors. With a steadily growing presence, investors have shown renewed interest in Costain share price forecasts, especially as the company diversifies into sustainable infrastructure and technological innovation.
Costain Share Price Prediction (2025-2030)
As of today, Costain's share price stands at 124.40 GBX, with a 2.47% increase from the previous close. But what does the future hold? Let’s dive deep into Costain share price forecast from 2025 to 2030, month-wise.
Costain Share Price Forecast 2025 (Monthly)
Month | Predicted Price (GBX) |
January | 126.20 |
February | 127.00 |
March | 129.10 |
April | 132.40 |
May | 130.90 |
June | 134.00 |
July | 135.60 |
August | 137.40 |
September | 138.00 |
October | 140.20 |
November | 141.00 |
December | 143.50 |
Costain Share Price Forecast 2026 (Monthly)
Month | Predicted Price (GBX) |
January | 145.00 |
February | 147.20 |
March | 148.10 |
April | 149.90 |
May | 151.00 |
June | 152.80 |
July | 153.40 |
August | 155.10 |
September | 156.90 |
October | 158.40 |
November | 159.50 |
December | 160.00 |
Costain Share Price Forecast 2027 (Monthly)
Month | Predicted Price (GBX) |
January | 161.80 |
February | 162.50 |
March | 164.00 |
April | 165.40 |
May | 166.90 |
June | 168.30 |
July | 169.20 |
August | 170.50 |
September | 172.10 |
October | 173.30 |
November | 174.40 |
December | 176.00 |
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Costain Share Price Forecast 2028 (Monthly)
Month | Predicted Price (GBX) |
January | 178.20 |
February | 179.10 |
March | 181.00 |
April | 182.50 |
May | 184.00 |
June | 185.30 |
July | 186.90 |
August | 188.40 |
September | 189.90 |
October | 191.20 |
November | 192.80 |
December | 194.50 |
Costain Share Price Forecast 2029 (Monthly)
Month | Predicted Price (GBX) |
January | 196.00 |
February | 197.80 |
March | 199.50 |
April | 201.00 |
May | 202.40 |
June | 203.90 |
July | 205.60 |
August | 207.30 |
September | 208.00 |
October | 209.90 |
November | 211.50 |
December | 213.00 |
Costain Share Price Forecast 2030 (Monthly)
Month | Predicted Price (GBX) |
January | 215.20 |
February | 217.00 |
March | 218.80 |
April | 220.30 |
May | 222.10 |
June | 224.00 |
July | 225.90 |
August | 227.60 |
September | 229.50 |
October | 231.00 |
November | 232.50 |
December | 234.00 |
Conclusion: Long-Term Outlook for Costain Shareholders
With an upward trajectory predicted through 2030, Costain share price forecast UK suggests strong growth potential, backed by consistent earnings, new infrastructure contracts, and technological innovation. From engineering excellence to sustainability initiatives, Costain Graphite share price prediction and overall share movement indicate increasing investor confidence. Whether you’re trading Costain share price forecast today UK or planning for Costain share price forecast tomorrow, long-term indicators remain bullish.
FAQs – Costain Share Price Forecast
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Reference:
Explore more Yahoo Finance for Costain Group PLC performance metrics, and historical data https://finance.yahoo.com/quote/COST.L
Financial Times Markets For broker forecasts, dividend data, and peer comparison https://markets.ft.com/data/equities/tearsheet/forecast?s=COST:LSE
Disclaimer:
- The information is based on our understanding of the stock's historical performance.
- Stock market predictions are unpredictable and can change, so expert advice is strongly recommended before investing.
- The values provided are based on predictions and may not be accurate, we recommend verifying the information with other sources.
- For further inquiries about the stock market, please contact us via email.