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.

Anglian Water Selects Integrated JVs for £1.5bn Major Infrastructure Delivery

Anglian Water has selected two Tier 1 joint ventures - Ferrovial Construction with MWH Treatment, and VolkerFitzpatrick with VolkerStevin Infrastructure - to deliver its new £1.5bn Major Projects Framework. The initial five-year arrangement, which includes extension options through to 2036, marks a significant shift away from traditional multi-contractor alliances toward integrated delivery models for AMP8 capital schemes.

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SCAPE Opens Procurement for £8.5bn Defense and Complex Environments Framework

Public sector procurement body SCAPE has formally launched market engagement for its new £8.5bn Defence and Complex Environments Framework. Operating across England, Wales, Scotland, and Northern Ireland, the four-year framework will appoint up to six delivery partners across two major lots (£500m and £8bn) for high-security construction across defense estates and critical national infrastructure.

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Developer and Director Fined Following Public Complaints Over Unsafe Roof Work

Property developer B&O Developers Ltd and its director Sanjay Swaminarayan have been fined at City of London Magistrates' Court after members of the public submitted photographs showing workers exposed to severe fall risks during hotel conversion works in King's Cross. An Health and Safety Executive (HSE) investigation revealed that roofing operatives worked without edge protection or suitable scaffolding, using makeshift platforms balanced on stepladders.

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TCC Refuses Summary Judgment to Enforce Adjudicator’s Award Following Insolvency

The Technology and Construction Court (TCC) has refused an application for summary judgment to enforce a £340,000 adjudicator’s award after the claiming contractor entered a Company Voluntary Arrangement (CVA) post-decision. Applying established judicial principles regarding insolvency and statutory adjudication, the court determined that enforcing an interim payment decision in favor of a restructuring entity created an unacceptable risk of injustice to the paying party.

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Court of Appeal Confirms Retrospective Scope of Section 135 in Landmark BSA Ruling

The Court of Appeal has handed down a landmark judgment clarifying the retroactive reach of Section 135 of the Building Safety Act 2022 (BSA 2022). In a major ruling for the construction sector, the court confirmed that the extended 15-year limitation period applies directly to actions brought under Section 1 of the Defective Premises Act 1972 (DPA), cementing the principle that historic design and construction defects remain actionable against original project teams.

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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.

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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.

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