Product standards and CE marking for the Northern Ireland market

If you manufacture, import, or sell products in Northern Ireland, you face a fundamentally different regulatory landscape from the rest of the United Kingdom. Under the Windsor Framework, Northern Ireland follows EU product regulations for goods, while Great Britain (England, Scotland, and Wales) has its own regime. This means different marking requirements, different safety regulations, and, for businesses operating UK-wide, the need for dual compliance.

The practical consequence is straightforward but important: products placed on the Northern Ireland market must carry CE marking, not UKCA marking. If you sell products only in Great Britain using UKCA marking, those products cannot be sold in Northern Ireland without CE marking. Conversely, CE marked products can be sold in both NI and, under indefinite recognition arrangements, in Great Britain.

The EU General Product Safety Regulation adds further obligations for products sold in the NI market.

CE marking in Northern Ireland: the core requirement

For products covered by EU harmonised regulations (which includes most manufactured consumer and industrial products), CE marking is mandatory for the Northern Ireland market. This is not optional and is not subject to any transitional period. The requirement has applied since the end of the Brexit transition period on 1 January 2021, continued under the Northern Ireland Protocol, and continues under the Windsor Framework.

CE marking on a product means it has been assessed against the relevant EU directive or regulation and meets all applicable requirements for safety, health, and environmental protection. The conformity assessment may be carried out by:

• the manufacturer (self-declaration), where the relevant directive permits this for lower-risk products
• an EU Notified Body, where third-party assessment is required
• a UK-based Northern Ireland notified body, in which case the product must also carry the UKNI marking alongside the CE marking

EU notified bodies are listed on the European Commission's NANDO database. UK-based Northern Ireland notified bodies are listed on the UK Market Conformity Assessment Bodies (UKMCAB) database.

The UKNI marking

The UKNI (UK Northern Ireland Conformity Assessed) marking is used when a UK-based Northern Ireland notified body has carried out mandatory third-party conformity assessment for a product placed on the Northern Ireland market. It must appear alongside the CE marking, never on its own.

• It applies only when the product needs mandatory third-party conformity assessment and a UK-based body carried it out
• You do not need it if you self-declare conformity, or if an EU notified body assessed the product, because CE marking alone then meets the Northern Ireland rules
• Products bearing the UKNI marking cannot be placed on the EU market. The UKNI mark is not recognised in EU member states
• The UKNI marking does not apply in the Crown dependencies (Guernsey, Jersey and the Isle of Man) or the British Overseas Territories

The CE and UKNI markings must be in their standard form, scaled in proportion if you enlarge or reduce them, and at least 5mm high unless the product regulation sets a different minimum. They must be easily visible, legible and indelible. Put them on the product or its data plate; where that is not possible because of the nature of the product, put them on the packaging and accompanying documents.

Choosing your conformity assessment route

Where your product needs third-party assessment, the body you choose decides where you can sell it. An EU notified body lets you use CE marking alone, which is accepted in Northern Ireland, the EU and Great Britain. A UK-based Northern Ireland notified body means CE plus UKNI marking, which is accepted in Northern Ireland but not in the EU. Plan the route around every market you intend to serve.

Qualifying Northern Ireland goods can also be placed on the market in Great Britain on the strength of their CE, or CE and UKNI, marking, without further approvals. This is the UK government's unfettered access guarantee for goods moving from Northern Ireland to Great Britain.

Why UKCA marking does not work in Northern Ireland

The UKCA (UK Conformity Assessed) marking was introduced on 1 January 2021 as the GB-only replacement for CE marking. It demonstrates compliance with GB-specific product regulations. However, because Northern Ireland follows EU product rules under the Windsor Framework, UKCA marking alone is not valid for products placed on the NI market.

This catches businesses that have switched from CE to UKCA marking for their GB sales. If those businesses also sell into Northern Ireland, they need to maintain CE compliance or they cannot legally place products on the NI market.

For many businesses, the simplest strategy is to maintain CE marking for all UK sales. Since October 2024, CE marking has been recognised indefinitely in Great Britain alongside UKCA. This means a single CE marked product can be sold across the entire UK, whereas a UKCA-only product is limited to Great Britain.

Dual compliance for UK-wide businesses

If you sell products across the whole United Kingdom, you have two options:

Option 1: CE marking for everything (recommended for most businesses)

Maintain CE marking compliance. CE marked products are accepted in Northern Ireland (as required) and in Great Britain (under indefinite recognition). This is the simplest approach and avoids the need for dual product lines.

Option 2: Dual marking

Products can carry both CE and UKCA markings simultaneously if they meet the requirements of both EU and GB regulations. This may be necessary if EU and GB standards diverge. For most product categories, the requirements are substantially identical.

For most SMEs, Option 1 (CE marking for all UK sales) is the pragmatic choice. It requires only one conformity assessment process, one set of technical documentation, and one product marking.

EU General Product Safety Regulation in Northern Ireland

From 13 December 2024, the EU General Product Safety Regulation (Regulation 2023/988) applies in Northern Ireland, replacing the UK General Product Safety Regulations 2005 for the NI market. The GB GPSR 2005 continues to apply in Great Britain.

The EU GPSR introduces requirements that go beyond the GB regime:

• Online marketplaces have specific duties to prevent dangerous products being listed, including cooperation with enforcement authorities and single points of contact
• Stricter requirements apply to identifying and tracing products through the supply chain.
• Updated risk assessment criteria reflect modern risks, including connected products and cybersecurity.
• Manufacturers, importers, distributors and fulfilment service providers have clearer duties.

For businesses selling into both GB and NI, this means complying with two different general product safety regimes. Products already placed on the NI market before 13 December 2024 under the old rules do not need to be relabelled, but new products must comply with EU Regulation 2023/988.

Sector-specific considerations

The dual regime has particular implications for certain sectors:

• For medical devices, legacy MDD/AIMDD-compliant general devices with valid CE marking can be placed on the GB market until the sooner of certificate expiry or 30 June 2028. EU MDR-certified general devices and legacy IVDD-compliant IVDs have separate recognition periods running to the sooner of certificate expiry or 30 June 2030. NI continues to follow EU medical-device rules and requires CE marking. The MHRA regulates medical devices in the UK.
• For construction products, CE marking is accepted indefinitely in both GB and NI. This is one area where the regimes are effectively aligned.
• For electrical and electronic products, the EMC, low voltage and radio equipment directives apply in NI as EU law. GB has equivalent but separate regulations.
• For toys, the EU Toy Safety Directive applies in NI. GB has its own toy safety regulations, but CE marking is accepted.

What this means for your business

If you sell products only in Great Britain, you can use either CE or UKCA marking. If you sell products in Northern Ireland, you must use CE marking. If you sell UK-wide, CE marking covers both markets and is the simplest compliance path.

To work out the marking for a product sold in Northern Ireland:

1. Identify the EU product regulations that apply to it (for example low voltage, machinery or toy safety rules). More than one often applies, and the product must meet all of them.
2. Check whether those regulations let you self-declare conformity or require third-party assessment.
3. If third-party assessment is needed, choose an EU notified body (CE marking) or a UK-based Northern Ireland notified body (CE plus UKNI marking), based on the markets you sell to.
4. Apply the correct marking. Never use UKCA marking alone for Northern Ireland.

For specific product marking queries, contact the Office for Product Safety and Standards (OPSS), which can advise on both GB and NI requirements.