The Control of Mercury (Amendment) Regulations 2025

Published: Tue 2nd Dec 25 Came into force: Tue 23rd Dec 25

The Regulations amended Part A of Annex 2 to Regulation (EU) 2017/852 by inserting new entries and associated phase-out dates for mercury use in several categories of devices, effective from December 23rd, 2025, across England, Wales, and Scotland.


The Secretary of State made The Control of Mercury (Amendment) Regulations 2025, obtaining consent from the Welsh and Scottish Ministers, to amend Part A of Annex 2 of Regulation (EU) 2017/852 on mercury.

These Regulations, which extend to England, Wales, and Scotland, introduce specific amendments to phase-out dates for mercury content in various products, including certain lighting types, sensing devices, and electronic components, aligning UK law with recent decisions made by the Conference of the Parties to the Minamata Convention on Mercury.

Arguments For

  • Updates UK domestic legislation concerning mercury use to align with international obligations under the Minamata Convention on Mercury, ensuring continued environmental protection compliance.

  • Introduces revised deadlines for phasing out mercury in specific electrical, electronic, and measurement equipment, providing clarity and certainty for manufacturers and users regarding compliance timelines.

  • Incorporates specific decisions (MC-4/3 and MC-5/4) from the Conference of the Parties to the Minamata Convention, reflecting ongoing international efforts to control mercury pollution.

  • Amends specific Annex 2 entries for items like fluorescent lamps (CFLs and LFLs), measurement bridges, and specialized sensors, detailing permitted exemptions or new cessation dates.

Arguments Against

  • Introduces various new phase-out deadlines (e.g., 2025, 2026, 2027) for specific mercury-containing products, potentially creating short-term supply chain disruption or increased costs for businesses needing to transition to alternatives.

  • The exclusion of certain equipment from the amendments (e.g., R&D uses, high-precision instruments lacking alternatives) might be perceived as insufficient or not comprehensive enough in eliminating mercury use immediately.

  • Extending the regulatory reach requires compliance from entities in England, Wales, and Scotland, necessitating coordination across devolved administrations, despite the consent mechanism noted in the preamble.

  • The document relies on decisions adopted under an international convention and EU regulation framework, which may complicate regulatory interpretation following Brexit.

The Secretary of State makes these Regulations in exercise of the powers conferred by Article 20(1) of Regulation (EU) 2017/852 of the European Parliament and of the Council of 17 May 2017 on mercury1.

In accordance with Article 21(8) of that Regulation, the Secretary of State makes these Regulations with the consent of the Welsh Ministers and the Scottish Ministers.

Citation, commencement and extent 1. (1) These Regulations may be cited as the Control of Mercury (Amendment) Regulations 2025.

(2) These Regulations come into force on 23rd December 2025.

(3) These Regulations extend to England and Wales and Scotland.

Amendment of Part A of Annex 2 to Regulation (EU) 2017/852 2. (1) Part A of Annex 2 to Regulation (EU) 2017/852 of the European Parliament and of the Council of 17 May 2017 on mercury is amended as follows.

(2) In the

After entry 2 insert—

“2A. Very high accuracy capacitance and loss measurement bridges and high frequency radio frequency switches and relays in monitoring and control instruments with a maximum mercury content of 20 mg per bridge, switch or relay, except those used for research and development purposes.

31.12.2025”.

(3) In the

After entry 3 insert—

“3A. CFLs for general lighting purposes: CFL.i ≤ 30 watts not covered by entry 3, point (a).

31.12.2025

3B. The following CFLs for general lighting purposes:

  1. (a)

    CFL.ni ≤ 30 watts not covered by entry 3, point (b);

  2. (b)

    CFL.i > 30 watts;

  3. (c)

    CFL.ni > 30 watts.

31.12.2026”.

(4) In the

After entry 4 insert—

“4A. LFLs for general lighting purposes: triband phosphor not covered by entry 4, point (a).

31.12.2027

4B. LFLs for general lighting purposes: halophosphate phosphor not covered by entry 4, point (b).

31.12.2026

4C. Non-linear fluorescent lamps (NFLs) (e.g. U-bend or circular) for general lighting purposes: halophosphate phosphor.

31.12.2026

4D. NFLs for general lighting purposes: triband phosphor.

31.12.2027”.

(5) In the

After entry 6 insert—

“6A. CCFLs and EEFLs for electronic displays not covered by any of points (a) to (c) of entry 6.

31.12.2025”.

(6) In the

After entry 9 insert—

“10. Strain gauges to be used in or with plethysmographs and not covered by entry 9, point (f).

31.12.2025

11. The following electrical and electronic measuring devices:

  1. (a)

    melt pressure transducers;

  2. (b)

    melt pressure transmitters;

  3. (c)

    melt pressure sensors.

This entry does not cover devices installed in large-scale equipment or used for high precision measurement, where no suitable mercury-free alternative is available.

31.12.2025

12. Mercury vacuum pumps.

31.12.2025

13. Tyre balancers and wheel weights.

31.12.2025

14. Photographic film and paper.

31.12.2025

15. Propellant for satellites and spacecraft.

31.12.2025”.

Related

The Bus Services Act 2025 (Commencement No. 3 and Transitional Provision) (England) Regulations 2026

Wed 28th Oct 26

Activated legal provisions for zero-emission bus mandates and expanded the criteria for independent auditors of local bus franchising schemes.

Read More

The Individual Savings Account (Amendment) (No. 3) Regulations 2026

Wed 28th Oct 26

Reduced the Lifetime ISA withdrawal charge to 20% for first-time home purchases exceeding the price cap and established refund procedures for failed completions.

Read More

Correction to Steeple Renewables Infrastructure Order

Tue 27th Oct 26

Corrected internal cross-references in article 9 of the Steeple Renewables Project Order 2026.

Read More

The Code of Practice (Access and Unfair Practices During the Recognition and Derecognition Process) Order 2026

Tue 27th Oct 26

Enacted a revised statutory Code of Practice setting standards for workplace access and prohibiting unfair practices during trade union recognition and derecognition procedures from 30 October 2026.

Read More