In the guide
This guidance is for England, Scotland & Wales
There are legal controls concerning the selling and delivery of oil (consisting primarily of diesel, kerosene and paraffin), butane and propane gas. Oil and gas must be accurately measured or weighed, and a ticket given to the customer indicating the quantity delivered.
Central heating oil, derv (diesel) and paraffin in bulk are measured by the litre in one of two ways, either:
Oil is pumped from a compartment on the delivery tanker through a meter that has been tested for accuracy and sealed. From there, the oil flows to the tank. Each meter has a ticket-printing mechanism, which must be zeroised before each delivery. There is often a minimum delivery associated with road tanker metering systems, usually in the region of 500 litres. Metering systems for the measurement of fuels are 'in use for trade' and controlled by weights and measures legislation that contains the limits of error within which they must measure fuels. If you operate road tankers with metering systems, it is good practice to ensure that the meters are periodically tested for accuracy; contact your local trading standards service if you require further information.
It is normal practice to 'dip' the customer's tank before delivery commences to ensure that the amount of fuel to be delivered can be accommodated by the tank. This will avoid overfilling the tank with consequent loss of fuel and potential environmental contamination.
Every compartment on the tanker has a number and its own numbered dipstick marked with graduations and quantities.
Measurement is made by 'dipping' the compartment before the delivery and noting how much oil is in the compartment, then 'dipping' again afterwards, seeing how much remains, and working out how much has been delivered.
Gas in bulk
Bulk propane - or liquefied petroleum gas (LPG) as it is also known - is measured by the litre and, like heating oil, if destined for domestic use is delivered by road tanker. The meter used to measure the fuel, as it goes from tanker to storage tank, is periodically calibrated and sealed to prevent unauthorised access. Each meter is fitted with a ticket printer. Some meters are fitted with electronic meter heads and the printer for this system may be located in the driver's cab.
Propane / LPG meters are not controlled by weights and measures legislation so there are no associated legal limits of error. However, the equipment is 'in use for trade' as it measures product for which payment is made and its performance in terms of accuracy should be comparable with petrol pumps and road-tanker metering systems that operate to +/- 0.5% of the quantity delivered.
Operators of road tankers delivering propane / LPG may be members of UKLPG (the trade association for the LPG industry in the UK), which is contactable at:
Camden House, Warwick Road, Kenilworth, Warwickshire CV8 1TH
The website contains an extensive list of publications on the use and storage of LPG.
Bottled gas is sold by reference to the net weight of the contents (in kilograms), which should be clearly marked on the cylinder (and should also say 'butane' or 'propane').
The bottling plant where the cylinders are filled must use accurate weighing or measuring equipment that has been checked and tested to ensure accuracy. Net weight = the weight full (gross weight) less the container empty (tare weight). The empty (tare) weight is normally on the neck or rim of the cylinder or on a permanent label.
You should consider the hazards of storing oil and gas, as both are highly flammable. Your obligations differ depending upon whether you are storing as a business or consumer. If in doubt, contact the Health and Safety Executive (HSE) for further information:
Redgrave Court, Merton Road, Bootle, Merseyside, L20 7HS
Tel: 0151 951 4000
UKLPG (trade body for the gas industry)
Camden House, Warwick Road, Kenilworth, Warwickshire, CV8 1TH
Oil Firing Technical Association (OFTEC) (trade body for the heating oil industry)
Foxwood House, Dobbs Lane, Kesgrave, Ipswich, IP5 2QQ
Tel: 0845 6585 080
For technical issues email: firstname.lastname@example.org
The Consumer Protection from Unfair Trading Regulations 2008 make it an offence to give any false or misleading statements about the price charged and descriptions applied to goods. For example, claiming heating oil or bottled gas have particular properties, such as efficiency, cleanliness or heating properties that cannot be substantiated, are false or misleading.
Please see 'Consumer protection from unfair trading' for more information on the Regulations.
Contracts between traders and consumers are also controlled by the Consumer Rights Act 2015. The Act requires that goods and services provided by traders to consumers should be in accordance with the contract, provided with reasonable care and skill, at a reasonable price, etc. It also provides consumers with remedies they can require from the trader if goods and services provided do not meet the terms of the contract; these remedies include a reduction in the price paid.
Under the Consumer Rights Act 2015 heating oil and bottled gas supplied to consumers should be:
See 'The sale & supply of goods' for detailed information on the Consumer Rights Act.
Where specific legal requirements, such as those detailed earlier in this guide, impose stricter duties and requirements on traders they take precedence and must be complied with.
Failure to comply with the above requirements is a criminal offence.
The maximum penalty for breaching the weights and measures requirements is a fine.
The maximum penalty for breaching the fair trading requirements is a fine and two years' imprisonment.
Last reviewed / updated: September 2017
This information is intended for guidance; only the courts can give an authoritative interpretation of the law.
The guide's 'Key legislation' links may only show the original version of the legislation, although some amending legislation is linked to separately where it is directly related to the content of a guide. Information on amendments to UK legislation can be found on each link's 'More Resources' tab; amendments to EU legislation are usually incorporated into the text.
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