Planning and Infra tructure Bill – Guide to the 2025 Act
The Planning and Infrastructure Act 2025 is a major piece of UK legislation designed to accelerate the delivery of homes and infrastructure across England. It received Royal Assent on 18 December 2025, becoming law as Chapter 34 of that year’s statutes. The Act introduces wide-ranging reforms to the planning system, including the reintroduction of strategic planning at a sub-regional level, new environmental delivery frameworks, and targeted changes to the consenting process for nationally significant infrastructure projects.
The Act replaces parts of the Planning and Compulsory Purchase Act 2004 and amends the Planning Act 2008 system for nationally significant infrastructure projects. It is a central component of the UK Government’s planning reform agenda, which aims to address housing shortages and infrastructure bottlenecks through procedural efficiency and strategic coordination.
For the core facts at a glance, the table below provides a quick reference.
What is the Planning and Infrastructure Act 2025?
Planning and Infrastructure Act 2025 (Chapter 34)
18 December 2025
Speed up delivery of homes and infrastructure through strategic planning reforms
Introduction of Spatial Development Strategies (SDS) at sub-regional level
The Act re-introduces strategic planning at a sub-regional level, replacing fragmented local plans. Natural England gains a formal role in spatial planning to embed environmental outcomes. Biodiversity Net Gain is integrated into the planning process as a statutory requirement. The Act is expected to accelerate delivery of critical infrastructure by streamlining consent processes.
| Fact | Detail |
|---|---|
| Date of Royal Assent | 18 December 2025 |
| Status | Law – partially in force; some provisions await commencement orders |
| Territorial Extent | England and Wales (Wales provisions subject to devolved consent); does not extend to Scotland |
| Responsible Department | Ministry of Housing, Communities and Local Government (MHCLG) |
| Predecessor Legislation | Planning Act 2008 (amended in part); replaces parts of the Planning and Compulsory Purchase Act 2004 |
What are the key provisions of the Planning and Infrastructure Act?
Spatial Development Strategies (SDS)
The Act gives strategic planning a stronger statutory role by requiring relevant authorities to prepare an SDS for their area. This tool is available to combined authorities, combined county authorities, upper-tier county councils, unitary authorities, or designated groups of them.
The SDS is intended to cover the strategic level, not site-specific allocation. It can guide the distribution of housing and infrastructure across a wider area. Once adopted, it is expected to form part of the statutory development plan and carry weight in planning decisions. The Institute for Government notes the reform is meant to prevent a single authority from blocking a strategy that otherwise has broad support.
The SDS framework is designed to operate at a sub-regional level, meaning it coordinates planning across multiple local authority areas rather than replacing local plans entirely. It is intended to address the fragmentation that occurred after the Localism Act 2011 reduced strategic planning requirements.
Biodiversity Net Gain and Environmental Delivery Plans
The Act creates a new route for handling environmental impacts through Environmental Delivery Plans (EDPs) and a levy-funded restoration fund. Natural England can prepare an EDP for an area, identifying environmental features likely to be affected and setting out how impacts will be addressed.
Developers may pay a nature restoration levy into a fund rather than providing all mitigation themselves. Town Legal’s summary says these plans are designed to let developers bypass certain Habitats Regulations and protected species requirements where the EDP route applies. Commentary also indicates EDPs are intended to support an “overall improvement” test, meaning environmental benefits must outweigh development impacts.
The Act does not simply preserve the existing project-by-project mitigation model. Instead, it creates a parallel system where developers can opt into a levy-based approach that funds strategic environmental improvements at a landscape scale, potentially reducing the need for site-specific ecological surveys and individual mitigation measures.
Changes to the Planning Act 2008 NSIP regime
The Act makes several targeted changes to the nationally significant infrastructure projects (NSIP) process under the Planning Act 2008. Pre-application consultation requirements are streamlined or removed in some cases, though applicants must still notify relevant bodies, including local authorities.
Examining authorities must have regard to their initial assessment of principal issues when deciding how to examine an application. Access rights are amended to help applicants obtain entry to land, including a route to authorise reasonable force in some cases. The separate non-material change process is removed, with the material change process widened to cover it.
The Secretary of State must publish a statement of reasons when refusing to accept an application for development consent. Legal challenge rules are tightened, with fewer opportunities for permission attempts in judicial review cases.
When did the Planning and Infrastructure Bill become law? Timeline of passage
The Bill was introduced on 11 March 2025, as confirmed in a Town Legal summary. Its second reading took place on 24 March 2025, noted in Landmark Chambers commentary. The committee stage occurred in spring 2025, with oral evidence sessions due later that month according to Landmark.
The government initially expected Royal Assent in July 2025, as reported at the time. However, Osborne Clarke states that the Planning and Infrastructure Act 2025 became law on 18 December 2025, which is the confirmed Royal Assent date.
- 11 March 2025 – Bill introduced (Town Legal summary)
- 24 March 2025 – Second reading (Landmark Chambers commentary)
- Spring 2025 – Committee stage (Landmark Chambers)
- 18 December 2025 – Royal Assent – Act becomes law (Osborne Clarke)
- Two months after Royal Assent – Clause 5 commences (Town Legal)
- Six months after Royal Assent – Some provisions commence (Town Legal)
- Ongoing – Implementation of Spatial Development Strategies and secondary legislation
Town Legal’s summary notes that some provisions would commence six months after Royal Assent, while clause 5 would commence two months after Royal Assent. This staggered commencement means not all provisions are in force immediately.
Because the Act uses commencement orders for many provisions, stakeholders should check the official legislation.gov.uk page for the most up-to-date status of individual sections. The Act is law, but not all parts are yet operational.
How does the Planning and Infrastructure Act affect local planning authorities and applicants?
Local planning authorities are affected in several direct ways. They may gain power to set fees at cost recovery levels, with income ringfenced for planning services. More decisions may be delegated to planning officers, reducing committee workloads, especially where decisions follow the local plan.
Authorities will operate within the new SDS framework, which can influence local plan-making and planning decisions. Their role in NSIP consultation is partly changed because the pre-application consultation regime is streamlined, though notification duties remain. In environmental terms, development may increasingly be routed through the new EDP/levy system rather than only through traditional site-by-site mitigation.
For applicants, the Act introduces a more streamlined NSIP consenting process, with clearer rules on consultation, access, and legal challenges. The integration of BNG as a statutory requirement means developers must plan for environmental outcomes from the outset, though the levy option offers an alternative to site-by-site mitigation.
How does the Planning and Infrastructure Act differ from previous planning legislation?
The Planning and Infrastructure Act 2025 differs from the Planning Act 2008 primarily in its reintroduction of strategic planning. The 2008 Act focused on streamlining consent for major infrastructure projects but did not establish a sub-regional strategic planning framework. The 2025 Act reinstates this layer through SDS, which was largely dismantled by the Localism Act 2011.
While the 2025 Act amends parts of the 2008 Act’s NSIP regime, it goes further by embedding environmental considerations through Natural England’s role and mandatory BNG. The relationship between the two Acts is therefore one of amendment and expansion rather than replacement.
The Planning and Development Act 2000 is not directly referenced in the sources as being materially affected by the 2025 Act, which focuses primarily on English planning mechanisms.
What is the geographical scope of the Planning and Infrastructure Act?
The sources indicate the Act is focused on England and English planning legislation. The planning reforms described are tied to English mechanisms such as local planning authorities, combined authorities, Spatial Development Strategies, and the Planning Act 2008 NSIP regime.
The Act does not extend to Scotland. Provisions relating to Wales are subject to devolved consent arrangements. It is not presented in the available materials as a general Scottish planning statute, and no sources suggest it applies to Northern Ireland.
What is established and what remains uncertain about the Act?
| Established Information | Uncertain or Pending Information |
|---|---|
| The Planning and Infrastructure Act 2025 has received Royal Assent and is law (legislation.gov.uk). | Exactly when all provisions come into force is not yet fully determined; some require secondary legislation. |
| Spatial Development Strategies (SDS) will be introduced; Natural England will administer an SDS scheme (Natural England blog, gov.uk guide). | How SDS will interact with existing local plans in practice is awaiting detailed guidance and pilot schemes. |
| The Act creates Environmental Delivery Plans and a nature restoration levy. | The full financial impact on local authorities and developers is not yet quantified. |
What is the broader context of the Act?
The Planning and Infrastructure Act 2025 is a central piece of the UK Government’s planning reform agenda, aiming to address housing shortages and infrastructure bottlenecks. It represents a shift from localised planning towards a strategic, sub-regional approach, with environmental considerations embedded via Natural England’s role and mandatory BNG.
Compared to the Planning Act 2008, this Act reintroduces strategic planning that was largely dismantled by the Localism Act 2011. The Act has been broadly welcomed by housebuilders and infrastructure developers, but some local authorities express concern about loss of local control. Scotland is not covered; Welsh provisions require further devolution agreements.
What do official sources say about the Act?
“The Planning and Infrastructure Bill is an ambitious piece of legislation which will speed up and streamline the delivery of new homes and critical infrastructure.”
— HM Government Guide to the Bill
“The Planning and Infrastructure Act introduces strategic planning at a sub-regional level through Spatial Development Strategies (SDS), to be administered by Natural England.”
— Natural England blog
“The Act introduces wide-ranging changes to the planning system, including the reintroduction of strategic planning through spatial development strategies.”
— RTPI news
What should you understand about the Planning and Infrastructure Act 2025?
The Planning and Infrastructure Act 2025 introduces a new framework for planning in England, centred on strategic coordination through Spatial Development Strategies, a reformed environmental mitigation system via Environmental Delivery Plans and a nature restoration levy, and streamlined consenting for nationally significant infrastructure projects. Its staggered commencement means that not all provisions are yet in force, and stakeholders should monitor commencement orders and upcoming secondary legislation. For broader context on UK government policy, you may find the Cost of Living Payment 2024/25 article relevant, as it covers related financial legislation. Similarly, the UK Prime Minister List provides background on the political context in which this Act was passed.
Frequently asked questions about the Planning and Infrastructure Act
What is the Planning and Infrastructure Bill PDF?
The official text of the Planning and Infrastructure Act 2025 is available as a PDF on legislation.gov.uk.
What does BNG stand for in the Planning and Infrastructure Bill?
BNG stands for Biodiversity Net Gain, a requirement for developments to deliver a measurable net gain in biodiversity, now embedded in the Act.
How does the Planning and Infrastructure Act change the role of Natural England?
Natural England is designated to administer the Spatial Development Strategy scheme, giving it a formal role in sub-regional planning.
Is the Planning and Infrastructure Act the same as the Planning Act 2008?
No, the 2025 Act replaces and amends parts of the 2008 Act, reintroducing strategic planning that was reduced under the Localism Act 2011.
What is the consultation process for the Planning and Infrastructure Bill?
The Bill underwent public consultation prior to introduction; further consultations on secondary legislation and SDS guidelines are expected.
Does the Planning and Infrastructure Bill apply to Northern Ireland?
No, the Act applies primarily to England and Wales, with no extension to Northern Ireland or Scotland.
How can I find my local planning authority’s guidance under the new Act?
Contact your local planning authority or visit GOV.UK for updates on implementation.
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