Legislation

Weights and Measures

The purpose of regulating weights and measures is to ensure that consumers have the information on quantity that they need to make informed purchasing decisions and that they can be confident that when they make a purchase they are not being sold short weight or measure. It also protects businesses from unscrupulous competitors.

In the UK most transactions in goods by weight or measure are regulated by the Weights and Measures Act 1985 and through secondary legislation, including the Weights and Measures (Packaged Goods) Regulations 2006 (SI 2006/659). A copy of these Regulations can be found here http://www.opsi.gov.uk/SI/si2006/20060659.htm or a hard copy can be ordered from The Stationery Office by visiting www.tso.co.uk or by calling 0870 600 5522.

Who Does What

In April 2007 responsibility for all weights and measures issues passed to the National Weights and Measures Laboratory (NWML) including policy on those provisions of the Weights and Measures Act aimed at (i) protecting the consumer against being sold shortweight; and (ii) providing consumers with information about the weight or volume of goods before they commit themselves to a purchase.  NWML also took over the sponsorship of the Hallmarking Council.

In June 2007 NWML became part of the newly created Department for Innovation, Universities and Skills (DIUS).

Trading Standards Departments of Local Authorities are responsible for enforcing weights and measures law.

Businesses or members of the public who have queries or complaints regarding the law on weights and measures should contact Consumer Direct at: www.consumerdirect.gov.uk (Tel: 08454 04 05 06). Consumers in Northern Ireland should contact Consumer Line on 0845 600 6262.

If you would like more information on these topics then please click on the following links: 

Packaged Goods legislation click here
Units of Measurement legislation click here
Units of Measurement Directive - supplementary Indications click here
Hall Marking legislation click here

Alternatively for all other weights and measures legislation you can use the search facility below.  Simply select type of document or subject, or enter a key word. 

Title:
Document Type:
Subject:
Automatic catchweighing instruments
  • Consultation on proposals for the weighing equipment (automatic catchweighing instruments) regulations - Government Response
  • Regulatory Impact Assessment for the Weighing Equipment (automatic catchweighing instruments) Regulations 2003
  • Notes for Guidance on the Measuring Instruments (Automatic Catchweighers) Regulations 2006 - (S.I. 2006 1257)
  • Notes for guidance on the weighing equipment (automatic catchweighing instruments) regulations 2003
  • OIML R51 1 International Recomendation for Automatic Catchweighing Instruments
  • The weighing equipment (automatic catchweighing instruments) regulations - brief guidance for business
  • Automatic gravimetric filling instruments
  • Notes for guidance on the weighing equipment (automatic gravimetric filling instruments) regulations 2000
  • New weighing equipment regulations
  • Automatic rail weigh-bridges
  • Regulatory Impact Assessment and Rural-proofing assessment for the weighing equipment (automatic rail-weighbridges) regulations
  • The weighing equipment (automatic rail weighbridges) regulations 2003
  • Capacity measures & testing equipment
  • The Weights & Measures (intoxicating liquor) amendment order 2001 (SI 2001/1322) & the Measuring Equipment (capacity measures) amendment regulations 2001 (SI 2001/599)
  • Review of 1: the weights & measures (local and working standard capacity measures and testing equipment) regulations 1990 (SI 1990/2626) as amended by SI 1995/735 and SI 2001/599, and 2: the measuring equipment (capacity measures and testing equipment) regulations 1995 (SI 1995/735 as amended by SI
  • Cold water meters
  • Notes for guidance on the Measuring Equipment (cold water meters) regulations
  • Food Labelling
  • Consultation on simplifying food orders
  • Government response to consultation on simplifying food orders
  • Intoxicating liquor
  • Determination by the Board of Trade of a matter referring to the testing of measuring instruments in accordance with the Measuring Instruments (intoxicating liquor) regulations 1965 (SI 1965 Bo1815)
  • The Weights & Measures (intoxicating liquor) amendment order 2001 (SI 2001/1322) & the Measuring Equipment (capacity measures) amendment regulations 2001 (SI 2001/599)
  • Review of weights & measures (intoxicating liquor) amendment order 2001 (SI 2001/1322) & the measuring equipment (capacity measures) amendment regulations 2001 (SI 2001/599)
  • Liquid fuel & lubricants
  • Consultation on proposals for the Measuring Equipment (liquid fuel & lubricants) (amendment) regulations
  • Regulatory Impact Assessment for the Measuring Equipment (liquid fuel & lubricants) (amendment) regulations
  • Guidance to industry on the Measuring Equipment (liquid fuel & lubricants) (amendment) regulations 2003 SI 2003 No 2110
  • Notes for guidance on the Measuring Equipment (liquid fuel & lubricants) regulations 1995
  • Notes on the Measuring Equipment (liquid fuel & lubricants) (amendment) regulations 2003 for businesses in Great Britain
  • Notes on the Measuring Equipment (Liquid Fuel and Lubricants) (Amendment) Regulations 2006 (SI No 2006/2234) for business in Great Britain
  • Proposals for the measuring equipment (liquid fuel and lubricants)(amendment) regulations 2006
  • Review of measuring equipment (liquid fuel & lubricants) regulations 1995 SI 1995/1014
  • Measures of length
  • Review of the Measuring Equipment (measures of length) regulations 1986 (SI 1986/1682) as amended and the Weights & Measures (local and working standard linear measures) regulations 1986 (SI 1986/1684)
  • Measuring Instruments Directive
  • MID notified body application form
  • Consultation on the Draft Regulations implementing the Measuring Instruments Directive (MID) August 2005
  • Measuring Instuments Directive Consultation document November 2004
  • MID Consultation Response document (Government)
  • MID Consultation Response document (Industry)
  • MID Guidance Notes for Automatic Catchweighers
  • MID Guidance Notes for Automatic Gravimetric Fillers
  • MID Notes for Guidance Beltweighers
  • MID Notes for Guidance Capacity Serving Measures
  • MID Notes for Guidance Discontinuous Totalisers
  • MID Notes for Guidance Liquid Fuel Lubricants
  • MID Notes for Guidance Material Meaures of Length
  • MID Notes for Guidance Non-Prescribed Instruments
  • MID Notes for Guidance Rail Weighbridges in motion
  • MID Notes for Guidance Road Tankers
  • MID Notes for Guidance Water Meters
  • MID notified body application guidance
  • Measuring Instruments Directive text from offical Journal of the European Union
  • Measuring Instruments Directive Update May 2005
  • NMS Programme
  • Legal Metrology Programme 1999-2002 Project 1.10.6: Effects of vapour recovery systems
  • Legal Metrology Programme 2002-05 LPG: an investigation into the practical testing issues
  • Legal Metrology Programme 2002-05 Pre test stamping of glasses intended for use for trade
  • Legal Metrology Programme 2002-05 Project 1.1.2 A review of participation in OIML (with particular reference to trade sectors)
  • Legal Metrology Programme 2002-05 Project 1.1.2 Milestone C: Review of participation in OIML part 3
  • Legal Metrology Programme 2002-05 Project 2.2.4: Publicising the end of the NAWI transitional period and advice given to LWMAs
  • Legal Metrology Programme 2002-05 Project 2.3.6: The accuracy of fuel metering
  • Legal Metrology Programme 2002-05 Project 3.1.4: PADS online
  • Legal Metrology Programme 2002-05 The use of lead to seal measuring equipment and to receive offical stamps
  • Legal Metrology Programme 2002-05: Measurement, approval and verification of CNG dispensers
  • Legal Metrology Programme 2002-2005 Project 2.2.5: Accuracy classes for medical scales
  • Legal Metrology Programme Testing motor fuel dispensers at 50 litres
  • Non-automatic weighing instruments
  • Application for bodies applying to be designated as a United Kingdom approved body for the purpose of examination and evaluation of a quality system and EC surveillance under regulation 9 (1) of the non-automatic weighing instruments regulations 2000
  • Application form for local weights and measures authorities application designated as a United Kingdom approved body for the purpose verification under reg 9 (1) of the Non-Automatic Weighing Instrument (EEC requirements) Regulations 1995
  • Consultation on effect of non-automatic weighing instruments regulations 2000 SI 2000/3236 on medical weighing instruments put into use after 1 January 2003
  • Guidance notes on the Non-Automatic Weighing Instruments (Amendement) Regulations 2008 Revision 1 March 2008
  • Non-automatic weighing instruments regulations - consultation on revised notes for guidance
  • Public Consultation March 2007 on the draft NAWI amendments
  • Impact Assessment for Non-automatic weighing instruments amended regulations 2008
  • Market surveillance of non automatic weighing instruments - March 2002
  • Market surveillance of non-automatic weighing instruments - report of work conducted January - March 2003
  • Market surveillance report 2004-05
  • NAWI market surveillance report 2004-2005
  • Guidance notes for bodies applying to be designated as a United Kingdom approved body for the purpose of examination and evaluation of a quality system and EC surveillance under regulation 9 (1) of the non-automatic weighing instruments regulations 2000
  • Guidance notes for local weights and measures authorities applying to be designated as a United Kingdom approved body for the purpose of EC verification under regulation 9(1) of the non-automatic weighing instruments (EEC requirements) Regulations 1992
  • Guidance notes on the Non-Automatic Weighing Instruments (Amendement) Regulations 2008
  • NAWI - Notes on application of the regulations
  • Notes for guidance 2005 on non-automatic weighing instruments regulations 2000-Revised Feb 07
  • Review of the extended scope of SI 2000/3236 including medical weighing from 1 January 2003
  • NAWI update for 2000
  • Update - changes to UK weighing legislation from 1 January 2003
  • Prescription Review
  • Consultation document on the review of secondary legilsation on Measuring Instruments made under the Weights and Measures Act 1985 and the European Communities Act 1972.
  • Regulatory Reform Order
  • Regulatory Reform Order
  • RRO – Preliminary Government Response to Consultation
  • Review of the Old Approach Directives
  • Public consultation letter simplfying 8 legal metrology directives June 2008
  • Sale of Goods by Quantity
  • Consultation document for Sale of Goods by Quantity March 2004
  • Consultation on draft regulations for packaged goods regulations 2005
  • Response to consultation for sale of goods by quantity March 2004
  • Notes for Guidance 2007 - Packaged Goods Regulations
  • Supplementary Indications
  • Supplementary Indications regulations
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