Independent analysis is warning that the UK water sector AMP8 programme is encountering significant hurdles ranging from low project delivery rates to planning delays and judicial reviews.
The analysis of the UK construction sector is warning of stalled progress on key mega projects and slowed implementation of growth-driving reforms.
The analysis is the latest Market View from Arcadis, a leading global organisation which delivers data-driven sustainable design, engineering, and consultancy solutions for natural and built assets.
Arcadis is highlighting growing concerns over the pace of UK megaproject development, underscoring risks to the government’s ambitious infrastructure investment plans. The analysis is flagging up growing concern over project delivery rates so far in AMP8, suggesting that the wider programme is slipping.
“For public sector projects and for the regulated utilities, affordability remains the greatest barrier to progress,” the analysis says.
The state of the construction market in the UK
Despite the critical importance of megaprojects to the nation’s economic and social future, progress remains uneven, with several high-profile schemes facing delays and viability challenges. The report by Arcadis shows a lack of progress to implement reforms that will reduce risks and accelerate growth, as recommended in Q4 2025.
Arcadis shows that while some major projects including the New Hospital Programme and Northern Powerhouse Rail remain on track, other key initiatives, most notably the critical AMP8 programme, are encountering significant hurdles ranging from low project delivery rates to planning delays and judicial reviews.
“The stop/start uncertainty of these programmes further illustrates the challenges facing UK clients and their supply chains,” Arcadis warns.
Arcadis is also expressing concern that the reforms identified as essential in its Winter Market View, including interest rate stabilisation, reducing regulatory barriers, support for public programmes, network infrastructure delivery, and accelerating power connections, are yet to be fully enacted or have made insufficient impact. Without substantial reform and implementation soon, the government will struggle to deliver on its built-environment driven growth agenda.
The Spring 2026 Arcadis UK Market View examines the forces shaping the UK construction market, from shifts in sector performance and regional activity to emerging cost pressures and long-term infrastructure investment.
The analysis also warns that current conflict in the Middle East is likely to push workload down as well as pushing prices up, but cautions that it is too early to assess the total impact of the disruption.
Simon Rawlinson, Head of Strategic Research and Insight, Arcadis coMmented:
"Mega projects and infrastructure programmes need to stay on track and government can assist not only through reform but also through their own prompt decision making. For now, recovery feels like one step forward, two steps back process, that might end up limiting the extent to which all construction sectors will grow."
Click here to download the paper in full
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