UK Trade · Sourcing Guide

NI & the Windsor Framework: Knitwear

If you sell across the whole UK, Northern Ireland can follow different product rules to Great Britain. Here's the knitwear-relevant gist — kept honest and practical.

Post-Brexit, the United Kingdom is not always one regulatory market. Under the Northern Ireland Protocol — refined by the Windsor Framework agreed in 2023 — Northern Ireland continues to follow EU rules for goods in important respects, while Great Britain (England, Scotland, Wales) follows the UK's own post-Brexit rules. For a knitwear brand selling UK-wide, this can mean two different compliance frameworks applying to the same product. This guide explains what the Windsor Framework means in practice for knitwear, what the practical differences are, and the simplest way to cover both markets.

Why NI and GB Can Have Different Rules

The Windsor Framework emerged from the political and legal complexity of maintaining an open land border between Northern Ireland (UK) and the Republic of Ireland (EU). To avoid a hard customs border on the island of Ireland — which was a core commitment of the Good Friday Agreement — NI retained alignment with EU single market rules for goods. The Windsor Framework refined this arrangement, creating two lanes for goods entering Northern Ireland:

Green Lane

UK Internal Market: GB → NI

Goods moving from Great Britain to Northern Ireland that are destined only for NI and will not be moved onward to the Republic of Ireland / EU. Simplified paperwork, no EU customs. For knitwear that a UK brand is selling exclusively in NI (to NI retailers, NI consumers), the Green Lane is the relevant pathway — minimal additional friction.

Red Lane

EU Rules Apply: Risk of EU Market Entry

Goods at risk of entering the EU single market — i.e. being moved from NI to the Republic of Ireland. These goods are treated as entering the EU and EU customs, standards and documentation apply. For most UK knitwear brands selling solely through NI retailers or their own NI-addressed customers, the Red Lane is not relevant.

What Differs for Knitwear: GB vs NI

AreaGreat BritainNorthern Ireland
Chemicals / restricted substancesUK REACH (HSE)EU REACH applies
Product safety frameworkUK GPSR / UK rulesEU GPSR (General Product Safety Regulation)
Textile labelling standardUK Textile Products Regulations 2012EU Textile Labelling Regulation (EU) No 1007/2011
Conformity markingUKCA mark (or CE recognised until end of transitional period)CE mark for EU-regulated products
Import duty on Turkish knitwear0% (UK–Türkiye FTA)Goods from GB via Green Lane follow UK arrangements; goods direct from Turkey via NI port may follow UK–Turkey agreement (confirm with broker)

The Windsor Framework is politically and legally complex and continues to evolve. This table is a practical summary, not legal advice — confirm your specific situation with a qualified adviser.

What This Means for a Knitwear Brand Selling UK-Wide

For most knitwear brands, the practical differences are limited but real. Here's how they break down by area:

Chemicals / REACH

UK REACH and EU REACH are substantially similar

The restricted substance lists under UK REACH and EU REACH are largely aligned, particularly for the substances most relevant to knitwear (azo dyes, APE, formaldehyde). Knitwear produced with OEKO-TEX Standard 100 certified yarns will generally satisfy both — OEKO-TEX tests against a comprehensive restricted substances list that exceeds both frameworks' requirements. A brand with OEKO-TEX documentation is well positioned for both GB and NI.

Textile labelling

Practical differences are minimal

UK Textile Products Regulations and the EU equivalent both require fibre composition by weight in the national language, care instructions and country of origin. The differences in practice are modest — both require the same core information in the same order. A label that complies with EU textile labelling rules will almost certainly satisfy UK requirements, and vice versa. Language is the main variable — confirm with your legal adviser for the specific products.

UKCA / CE marking

Knitwear garments: generally not affected

UKCA and CE marking apply to regulated products that require a conformity assessment — electrical equipment, toys, personal protective equipment. Standard knitwear garments (jumpers, cardigans, dresses) are not regulated products requiring CE or UKCA marking in the normal course. You do not need a CE or UKCA mark on a jumper. If your knitwear incorporates technical or protective function (PPE category), the position is different.

Duty on Turkish imports

UK–Türkiye FTA applies to GB; NI position via Green Lane

For Turkish knitwear imported into Great Britain under the UK–Türkiye FTA, the 0% duty is clear. For goods moving from GB to NI via the Green Lane, the UK internal market arrangements apply — goods already in free circulation in GB can move to NI without re-importing under EU rules, provided they are not at risk of entering the EU. Confirm the precise customs treatment of your specific supply chain with your customs broker.

The Cleanest Approach: Produce to the Common Denominator

The most practical approach for a UK knitwear brand selling across GB and NI is to produce once to the stricter common standard, and let that single production run serve both markets. In practice, this means:

Yarns

OEKO-TEX Standard 100 certified

OEKO-TEX tests against ~100 parameters covering restricted substances under both UK REACH and EU REACH, plus many retail RSL requirements. A single OEKO-TEX certified yarn programme satisfies chemical compliance for both GB and NI without separate testing runs.

Labels

Fibre + care + origin — meets both

A label carrying full fibre composition, care instructions (ISO 3758 symbols) and country of origin ("Made in Türkiye") in English meets both GB and NI requirements. If selling to EU-adjacent NI customers who prefer both languages, adding Irish / Gaeilge is optional and not legally required for the garment itself.

Documentation

Keep supplier certificates accessible

OEKO-TEX certificates, yarn supplier declarations and EUR.1 origin certificates should be retained for 4+ years. If a NI retailer or buyer asks for EU REACH compliance evidence, the OEKO-TEX certificate and supplier documentation covers the request.

Logistics

Import to GB, ship Green Lane to NI

Import your Turkish knitwear to a GB port (Felixstowe / London Gateway) under the UK–Türkiye FTA at 0%. Then move goods from your GB warehouse to NI retailers / fulfilment via the UK Internal Market Scheme (UKIM) / Green Lane arrangements. This is the most common and straightforward logistics path for UK brands with NI sales.

What to Confirm with Professionals

The Windsor Framework is a live political and legal arrangement that continues to develop. The following should be confirmed with qualified professionals before making compliance decisions:

Customs broker

The specific customs classification of your knitwear HS code, the exact preferential duty treatment for Turkish-origin goods moving to NI, and the correct declarations for GB→NI movements under UKIM. The Windsor Framework's customs provisions are detailed and broker-specific advice is essential for any material NI volume.

Regulatory solicitor / compliance adviser

Whether your specific products require UKCA or CE marking (almost certainly not for standard knitwear), the current state of GB/NI REACH alignment, and whether any product-specific regulations applicable to your categories create different GB vs NI requirements.

NI retail buyers (if applicable)

If you are selling through NI-based retail chains, their compliance teams will have NI-specific requirements based on their own legal advice. Understand what they require before placing the order, not after.

HMRC / Companies House

If you are directly trading from the Republic of Ireland into NI, or have an NI-based entity, specific VAT and customs arrangements may apply. These are company-specific and go beyond the scope of general product compliance.

Selling knit across the whole UK?

We produce with OEKO-TEX certified yarns, issue EUR.1 origin certificates for UK customs, and can produce to label specifications covering both GB and NI requirements. Tell us your markets and we'll build the spec that covers both.

Related Guides

→ UK–Türkiye FTA: 0% Duty on Knitwear → Rules of Origin & EUR.1 Explained → UK vs China Knitwear Tariff → UK Customs Broker Guide

Manufacturer Pages

→ OEM Manufacturing → FAQ → Our Process
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