Construction Law: August/September 2026

Editor’s comment
DfT and Treasury on naughty step over Northern Powerhouse Rail costing 
Editor Nick Barrett looks forward to hearing DfT and Treasury responses to the Public Accounts Committee challenge to explain how they arrived at a £45 billion cost cap for the long awaited and desperately needed Northern Powerhouse Rail project.

News  
Our regular news round up looks at a government procurement review ordered by a Minister; a switch in NHS investment to a long term focus; and an Appeal Court ruling against an HS2 tunnel being significantly extended without planning permission.

Legal terms explained 
Maria Avram of Herbert Smith Freehills Kramer LLP explains how the Civil Liability (Contribution) Act 1978 works.

Guest editor
Do payment and retentions reforms do what they say on the tin? 
Guest Editor Dan Warren of DLA Piper LLP analyses the impact of government reforms of payment practices and retentions, asking if if they will achieve the desired outcomes. Look out for loopholes, especially with retentions, he advises.

Legislation state of play table
Our regular update on the progress of regulations and legislation affecting construction and procurement compiled by Alignment Media.

Reports from the courts
Our latest reports of the court decisions of most significance to construction comes from Andrew Croft, Ben Spannuth, Daniela Miklova and Ben Boulter of Beale & Company Solicitors LLP who report on a case highlighting that cladding product manufacturers and suppliers may face significant contribution exposure going forward; and another reaffirming the court’s robust approach to adjudication enforcement.

Analysis
When retention becomes payable – and why interim Is usually too soon
Anjali Shrivastava of Michael Gerard Solicitors cautions that practical completion (PC) is not the end of the contract story. Under the JCT Minor Works Building Contract with contractor’s design 2016, for example, PC is not the point at which the whole of retention automatically becomes payable.

CL guides
CL Guide to The Building Regulations Part 2a Dutyholders’ Requirements
CL Guides to construction law series article comes from Sofia Sportelli of DLA Piper LLP who explains the responsibilities of Building Regulations Dutyholders,

Arbitration
The 2026 ICC Arbitration Rules and Construction Disputes
Leading arbitral jurisdictions are introducing reforms to promote simplicity and efficiency. Vijay Bange and Gordon Chan of Irwin Mitchell LLP explain some of the positive impacts likely to result, but also highlight some potential pitfalls as the reforms are introduced to construction.

Design
Design Liability: when choice of law really matters
Owen Newman and Justin Li of Duane Morris examine the difference that choice of law can make when designs turn out to be defective or deficient and exposure starts to cascade. Comparison between the United States and the UK which start from different premises, is instructive.

Adjudication
Adjudication – when the pay now argue later principle fails to deliver the goods
Barrister Karen Gough of 39 Essex Chambers asks why some people are not being paid despite succeeding in adjudications. For contractors seeking payment the system works well – but it can be a different story when an Employer tries to recoup overpayments.

Contracts
Contracts on the Clock
Contract management and procurement specialist Carolle Vallee of VaLex Consulting warns that traditional contracts were never designed for programmes where design, procurement and construction happen simultaneously, as they do on hyper scale data centres. Contractual models might be evolving, but can that happen fast enough?

Insurance
The Contractor’s Design Risk
Insurance expert John D Wright of JD Risk Associates examines Contractor’s Design Risk policies. Contractors can be exposed to design claims even when not parties to some contracts, he warns.

Alternative dispute resolution
ADR’s place in the case management toolkit confirmed
Tracey Summerell of Dentons UK and Middle East LLP finds strong support for ADR in the new edition of the TCC Guide.

CDM breaches lead to fines after major steel frame fall

An event structure company and its director have been fined after a worker suffered life-changing injuries when a steel beam fell during the dismantling of an internal temporary structure.

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ONR extends safety notices after 29m fall at Hinkley Point C

The Office for Nuclear Regulation (ONR) has extended two improvement notices issued to contractors working on the construction of Hinkley Point C after a formwork panel fell approximately 29 metres, seriously injuring a worker.

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Government tightens social value rules for major public contracts

The Government has introduced a revised Social Value Model under Procurement Policy Note 026 (PPN 026), giving significantly greater weight to jobs, skills, and employment opportunities when central government awards public sector contracts.

To read more of this and every other news story on this site, please log in with your Construction Law membership account details. If you don't have an account, you can get free access to the news on this site and receive a free newsletter on Fridays by creating a Newsletter account. See the panel to the right.

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HS2 completes trio of Solihull viaducts

HS2 engineers have reached structural completion on three major viaducts on the southern approach to Interchange station in Solihull, marking a key milestone on the West Midlands section of the high-speed line.

To read more of this and every other news story on this site, please log in with your Construction Law membership account details. If you don't have an account, you can get free access to the news on this site and receive a free newsletter on Fridays by creating a Newsletter account. See the panel to the right.

Subscribers to the printed magazine get access to the entire Construction law website.

Do payment and retentions reforms do what they say on the tin?

Guest Editor Dan Warren of DLA Piper LLP analyses the impact of government reforms of payment practices and retentions, asking if if they will achieve the desired outcomes. Look out for loopholes, especially with retentions, he advises.

This story is only available to subscribers to the printed edition of Construction Law. If you have a subscription please log in to read the rest of the story.

Legislation state of play table 312

This table, prepared by Alignment Media, provides a regularly amended guide to new and proposed legislation that will affect the construction industry. In addition to EU Directives and UK legislation, the table includes notes highlighting discussion papers issued by both government and non-government organisations, and commentary on the latest developments.

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Reports from the courts: August/Sept 2026

Our latest reports of the court decisions of most significance to construction comes from Andrew Croft, Ben Spannuth, Daniela Miklova and Ben Boulter of Beale & Company Solicitors LLP who report on a case highlighting that cladding product manufacturers and suppliers may face significant contribution exposure going forward; and another reaffirming the court’s robust approach to adjudication enforcement.

This story is only available to subscribers to the printed edition of Construction Law. If you have a subscription please log in to read the rest of the story.

When retention becomes payable

Anjali Shrivastava of Michael Gerard Solicitors cautions that practical completion (PC) is not the end of the contract story. Under the JCT Minor Works Building Contract with contractor’s design 2016, for example, PC is not the point at which the whole of retention automatically becomes payable.

This story is only available to subscribers to the printed edition of Construction Law. If you have a subscription please log in to read the rest of the story.