Gas Charges

We explain why BOC add charges for cylinder gases, provide a breakdown of all surcharges and detail additional account-based charges

There are four elements associated with gas purchases from BOC:

  1. Gas price
  2. Environment and energy surcharge
  3. Fixed charge
  4. Cylinder rental

The different price elements cover the different costs associated with supplying cylinder gases.


Why four different price elements?

Each of our customers is unique and wishes to trade with us differently.

Customers may use the same amount of gas each year but some will want to hold higher cylinder stocks than others, some may want to order more frequently than others and some may want their orders delivered while others will prefer to collect.

We believe that charging for each element independently is fair to each customer with only those services used being paid for.

  • 1. Gas Price

    This is the price for the actual quantity of gas in the cylinder and is based on how much it costs us to produce.

    Gases such as acetylene and argon are more expensive to produce than a gas like oxygen and this is reflected in the price.

    View latest price lists

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  • 2. Environment and Energy Surcharges

    The manufacture of industrial gases is highly energy-intensive.

    Very large quantities of electricity are required to run air separation plants to produce oxygen, nitrogen and argon.

    Carbon dioxide and hydrogen are both produced from natural gas whereas propane is produced by refining crude oil.

    The Environment and Energy Surcharge is applied to recover exceptional movements in energy costs. It is increased or decreased in-line with current costs. 

    For propane and refrigerants, the surcharge is applied per kilogram of product supplied, for other cylinder gases it is charged per cylinder of gas supplied.

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  • 3. Fixed Charge

    This charge is made for each transaction and covers the costs associated with maintaining our sales outlets and processing your transactions when you do business with us. These costs vary depending on whether you require delivery or if you prefer to collect.

    In the case of delivery, the charge includes an element to cover delivery costs.

    For collections, the charge includes an element to cover the costs of maintaining our extensive network of BOC trade outlets and Partners. 

    Some costs are the same for all transactions as these cover the processing of the order and invoice.

    View latest price lists

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  • 4. Cylinder Rental

    BOC has a rental charge for all cylinders.

    We ensure the quality and safety of our cylinders by performing regular tests, making repairs and replacing cylinders as necessary.

    Cylinders and valves are regularly upgraded in line with new technology.

    Cylinder rental also gives you the flexibility to swap empty cylinders for full cylinders at any of our locations, take more cylinders as and when you need them and return them when you don't.

    BOC has developed options to suit a range of customer requirements and offers monthly, annual, 3-yearly and 5-yearly rentals.

    View latest price lists

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Account-based & Failed Delivery Charges

Click on the sections below to read more

  • Account-based Charges

    Our standard conditions of sale include payment by direct debit, email invoicing and payment by set due dates. 

    Other charges may apply if a customer wishes to trade with BOC outside of our standard conditions of sale.

    Possible charges are:

    Non-Direct Debit Fee - £5.00 per invoice

    Paper Invoice Fee - £5.95 per invoice

    Late Payment Fee:

    • Debt below £1,000: £25
    • Debt at least £1,000 but less than £10,000: £70
    • Debt £10,000 or more: £100

    Debt Collection Agency Fee - £15.00 per incident

    Replacement charges also apply for any BOC cylinders lost by customers.

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  • Failed Delivery Charge

    BOC is committed to providing the highest levels of service to our customers. However, every week we are unable to deliver around 300 orders that customers have placed with us. This is because the customer either declines to accept the delivery when we arrive at their site or is not present to receive it. When this happens, we can’t collect empty cylinders either.

    Not only do these failed deliveries bring unnecessary cost to our business, they can also cause delays for other customers and may lead to product shortages.

    Accordingly, with effect from 1st January 2017, BOC reserves the right to levy a failed delivery charge equivalent to our standard delivery fixed charge.

    Please be assured that we will continue to make every effort to complete deliveries as per the customer order and our service teams will always seek to contact the customer to make the delivery possible. The failed delivery charge will only be raised when through act or omission of the customer, the order is not able to be fulfilled.

    Failed Delivery Charge FAQs

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Cylinder Products Surcharges

Click on the sections below to read more

  • Industrial Environment and Energy Surcharges

    Industrial and Food Fresh Gases

    Following the exceptional increases in energy costs, from 1 January 2023 Industrial and Food Fresh Environment and Energy Surcharges will be based on the content of each cylinder rather than a fixed rate for Small / Standard sizes. The below rates are used to calculate the per cylinder surcharge based on the m3/kg content of the cylinder and gas mixture.

    Industrial Environment and Energy Surcharges Price List

    Gas Per M3/kg
    Air* £0.264
    Argon £0.624
    Carbon Dioxide £0.230
    Hydrogen* £0.097
    Nitrogen* £0.261
    Oxygen* £0.277
    Helium (for industrial products & Mixtures) £7.500

    *not applicable in Northern Ireland

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  • Propane Monthly Surcharges

    Propane is a factored product and is produced either as a by-product from the refinement of crude oil or through the extraction of natural gas from gas fields.

    About the surcharge
    Propane is a traded product and varies in price depending on market forces. A surcharge per cylinder is applied to propane cylinders to take into account changes to BOC's costs.

    Date Per tonne A
    B
    D
    E
    F
    G
    4 Mar 24 £383.00 £1.80 £4.21 £8.89 £17.81 £5.86 £6.20
    5 Feb 24 £356.00 £1.67 £3.92 £8.26 £16.55 £5.45 £5.77
    3 Jan 24 £347.00 £1.63 £3.82 £8.05 £16.14 £5.31 £5.62
    4 Dec 23 £374.00 £1.76 £4.11 £8.68 £17.39 £5.72 £6.06
    9 Nov 23 £401.00 £1.88 £4.41 £9.30 £18.65 £6.14 £6.50
    4 Oct 23 £395.00 £1.86 £4.35 £9.16 £18.37 £6.04 £6.40
    6 Sep 23 £333.00 £1.57 £3.66 £7.73 £15.48 £5.09 £5.39
    4 Aug 23 £274.00 £1.29 £3.01 £6.36 £12.74 £4.19 £4.44
    4 Jul 23 £267.00 £1.25 £2.94 £6.19 £12.42 £4.09 £4.33
    5 Jun 23 £287.00 £1.35 £3.16 £6.66 £13.35 £4.39 £4.65
    4 May 23 £370.00 £1.74 £4.07 £8.58 £17.21 £5.66 £5.99
    4 Apr 23 £409.00 £1.92 £4.50 £9.49 £19.02 £6.26 £6.63
    6 Mar 23 £472.00 £2.22 £5.19 £10.95 £21.95 £7.22 £7.65
    7 Feb 23 £429.00 £2.02 £4.72 £9.95 £19.95 £6.56 £6.95
    6 Jan 23 £367.00 £1.72 £4.04 £8.51 £17.07 £5.62 £5.95

    Please note:

    • The surcharge is only applied to the propane gas price. There are no changes to cylinder rental or fixed charges.
    • All future price adjustments and the level of the surcharge will be published on this website and will appear on your monthly invoice as a separate 'Environment and Energy Surcharge'.
    • You can also find out about price adjustments by contacting your account manager.
    • The surcharge is reviewed frequently.
    Buy Propane online

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  • Propylene Monthly Surcharges

    Propylene is a factored product and is produced either as a by-product from the refinement of crude oil or through the extraction of natural gas from gas fields.

    About the surcharge
    Propylene is a traded product and varies in price depending on market forces. A surcharge per cylinder and drum has been introduced for propylene cylinders to take into account changes to BOC's costs.

    Month Per tonne 39-LE (45.2kg) Drum (422kg)
    March '24 £778.21 £35.17 £326.85
    February '24 £748.29 £33.82 £314.28
    January '24 £878.80 £39.72 £369.10
    December '23 £749.97 £33.90 £314.99
    November '23 £790.17 £35.72 £331.87
    October '23 £818.34 £36.99 £343.70
    September '23 £745.63 £33.70 £313.16
    August '23 £696.46 £31.48 £292.51
    July '23 £700.14 £31.65 £294.06
    May '23 £846.65 £38.27 £355.59
    March '23 £900.64 £40.71 £378.27
    February '23 £878.20 £39.69 £368.84
    January '23 £815.60 £36.87 £342.55

    Please note:

    • The surcharge is only applied to the propylene gas price. There are no changes to cylinder rental or fixed charges.
    • All future price adjustments and the level of the surcharge will be published on this website and will appear on your monthly invoice as a separate 'Environment and Energy Surcharge'.
    • You can also find out about price adjustments by contacting your account manager.
    • The surcharge is reviewed at the start of every month.
    Buy Propylene online

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  • Ammonia Monthly Surcharges

    Month Per kg
    19 February '24 £0.990
    13 January '24 £0.990
    9 December '23 £0.990
    11 November '23 £0.990
    7 October '23 £0.990
    9 September '23 £0.865
    5 August '23 £0.712
    8 July '23 £0.669
    10 June '23 £0.554
    6 May '23 £0.551
    8 April '23 £1.092
    4 March '23 £0.761
    4 February '23 £0.814
    7 January '23 £0.700
    10 December '22 £1.514
    5 November '22 £0.691
    1 October '22 £1.833
    17 September '22 £1.833
    6 August '22 £1.505
    8 July '22 £0.594
    10 June '22 £0.553
    13 May '22 £0.289
    6 Aprilv £1.654
    7 March '22 £0.937
    7 February '22 £0.971
    February '22 £0.475
    January '22 £0.45

    Buy Ammonia online

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  • SF6 Monthly Surcharges

    Month Per kg
    19 Feb '24 £0.19
    13 Jan '24 £0.80
    9 Dec '23 £0.53
    11 Nov '23 £0.49
    7 Oct '23 £0.90
    9 Sept '23 £0.35
    5 Aug '23 £0.62
    8 July '23 £0.33
    10 June '23 £0.70
    6 May '23 £0.68
    8 April '23 £1.02
    4 March '23 £1.47
    4 February '23 £0.96
    7 January '23 £3.93
    10 December '22 £1.05
    5 November '22 £1.99
    8 October '22 £5.49
    17 September '22 £4.92
    6 August '22 £3.56
    8 July '22 £1.82
    10 June '22 £2.17
    13 May '22 £1.47
    April '22 £4.40
    Dec-Mar '22 £2.11

    Buy SF6 online

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  • Cryospeed Surcharges

    Month Cryospeed Nitrogen
    (per ltr)
    Cryospeed Oxygen
    (per ltr)
    Cryospeed Argon
    (Pure & Industrial)
    (per ltr)
    Cryospeed CO2
    (per kg)
    1 Jan '24 £0.17 £0.17 £0.52 £0.23
    7 Apr '23 £0.15 £0.15 £0.45 £0.23
    1 Jan '23 £0.15 £0.15 £0.45 £0.17
    24 Oct '22 £0.08 £0.08 £0.26 £0.17
    1 Oct '22 £0.08 £0.08 £0.26 £0.42
    20 Sept '22 £0.08 £0.08 £0.26 £0.82
    6 Sept '22 £0.08 £0.08 £0.26 £1.54
    1 Aug '22 £0.08 £0.08 £0.26 £0.23
    1 June '22 £0.08 £0.08 £0.26 £0.36
    May '22 £0.07 £0.07 £0.23 £0.36
    18 Oct '21 £0.07 £0.07 £0.23 £0.44

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  • Chlorine Surcharges

    Month Per kg for Drums Per kg for Cylinders
    June '23 £0.214 £0.406
    May '23 £0.214 £0.406
    Dec '21 £0.119 £0.226

    Buy Chlorine online

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  • Carbon Dioxide Based Shielding Gases

    From 1st January 2023 the industrial environment and energy surcharge will depend on the contents of the cylinder

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  • Industrial Compressed Carbon Dioxide Surcharges (Nov 23)

    Product code Surcharge (excl. VAT)
    40-LB £1.46
    40-VB £1.46
    40-LK £7.82
    40-VK £7.82
    40-WL £117.30
    40-WV £117.30

    Buy Industrial Compressed Carbon Dioxide online

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  • Drinks Dispense Gas Surcharges

    Product Code Product Description Surcharge (excl. VAT)
    569-E Suregas CO2 £0.72
    569-B Suregas CO2 £1.46
    569-SB Suregas CO2 £1.46
    569-R Suregas CO2 £3.17
    569-K Suregas CO2 £7.82
    564-V Suremix 30 (30% Carbon Dioxide; 70% Nitrogen) £0.32
    564-S Suremix 30 (30% Carbon Dioxide; 70% Nitrogen) £0.58
    564-N Suremix 30 (30% Carbon Dioxide; 70% Nitrogen) £1.51
    565-V Suremix 50 (50% Carbon Dioxide; 50% Nitrogen) £0.58
    565-S Suremix 50 (50% Carbon Dioxide; 50% Nitrogen) £1.10
    565-N Suremix 50 (50% Carbon Dioxide; 50% Nitrogen) £2.77
    566-V Suremix 60 (60% Carbon Dioxide; 40% Nitrogen) £0.72
    566-S Suremix 60 (60% Carbon Dioxide; 40% Nitrogen) £1.31
    566-N Suremix 60 (60% Carbon Dioxide; 40% Nitrogen) £3.38

    Buy Suregas online

    Buy Suremix online

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  • Refrigerants Cylinder Surcharges (Mar 2024)

    Surcharge Details

    The surcharge is charged per kg (of product sold) - see the below list of refrigerants which the surcharge is currently applied to.

    This page and refrigerant surcharges will be reviewed and updated at the start of each month. The surcharge will be increased or decreased to reflect any changes in price that the manufacturers pass onto BOC.

    Product Surcharge per KG
    R134a £8.00
    R404A £7.00
    R407C £2.50
    R410A £1.00
    R422D £6.50
    R437A £6.50
    R417A £6.50
    R422A £6.50
    MO89 £6.50
    R438A £6.50
    R1234yf £0.00
    R1234ze £0.00
    R23 £196.40
    R245fa £0.00
    R32 £4.50
    R407A £15.00
    R407F £15.00
    R507A £49.70
    R508B £185.50
    R426A £8.24
    R424A £5.71
    R434A £6.03
    R442A £21.98
    R428A £4.24
    R513A £6.60
    R449A £10.00
    R452A £21.00
    R454C £0.00
    R454A £0.00
    R404Ar £7.00
    R744 £0.17

    Please note:

    • The surcharge is only applied to the Refrigerant gas price. There are no changes to cylinder rental or fixed charges.
    • All future price adjustments and the level of the surcharge will be published on this website and will appear on the monthly invoice as a separate 'Environment and Energy Surcharge'.
    • Find out about price adjustments by contacting your account manager.
    • The surcharges are reviewed at the start of each month.

    The impact of the F-gas cap and phase down legislation continues to take affect across Europe, and there will be a significant 30% reduction of CO2 tonnage being placed on the market, which will come into effect in January 2018; this is now significantly affecting the pricing of common refrigerants from the limited number of global refrigerant producers.

    To compound the price effects BOC is currently experiencing, the refrigerant producers are now restricting the supply of blended refrigerants (400 series blends and R507A).  The refrigerant press has recently noted, the substantial price rises from the refrigerant producers being experienced by the industry and BOC continues to receive increases on a monthly basis.

    The refrigerant producers have, in addition indicated, that they no longer have a long term commitment to produce and sell high Global Warming Potential (GWP) refrigerants and are actively encouraging refrigerant users to move as quickly as possible towards the new generation HFO (Hydrofluoroolefin) refrigerant blends.

    From November 1st 2017, BOC introduced a surcharge per kg for all refrigerants, this appears on the invoice as an Energy and Environment Surcharge (EES).  The surcharge is based per kg, therefore this will need to be added to the existing price.

    For example, if the cylinder price for R134a at £180.00, divide this by the contents 12kg = £15.00 per kg and if the surcharge for the month is £0.50p then add this to the kg price £15.50, total price for the cylinder £186.00.

    Throughout 2017 BOC has received significant price increases from our suppliers across all major product lines, affected by the F-gas legislation.  We continue to work hard to ensure supply continuity and absorb these cost increases where we can. However due to the continuing sheer magnitude of the recent increases incurred, BOC is no longer able to absorb these, and unfortunately we must now pass on a proportion of these costs to our customers.

    In the light of the recent significant shifts in the refrigerant producer strategies, how to actively accelerate a transition to a medium low GWP replacement refrigerant should be considered.

    Buy Refrigerant Gas online

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  • Medical Gas Surcharges

    Gas Product Code Surcharge per Cyl (excl. VAT)
    Oxygen 101-ZA £0.08
    101-CD £0.13
    101-D £0.09
    101-ZD £0.17
    101-E £0.19
    101-F £0.38
    101-AF £0.38
    101-DF £0.38
    101-HX £0.64
    101-ZX £0.84
    101-ZH £0.66
    101-G £0.94
    101-J £1.88
    101-W £3.13
    Carbogen 131-F £0.39
    131-G £0.97
    131-J £1.93
    Nitrous Oxide 141-D £2.04
    141-E £4.08
    141-5NL £8.38
    141-F £8.16
    141-G £20.39
    141-J £40.79
    Helium 163-F £9.00
    Heliox 173-HX £10.65
    173-HL £49.06
    Air 191-E £0.17
    191-F £0.34
    191-G £0.85
    191-J £1.69
    Carbon Dioxide 201-C £0.19
    201-D £0.38
    201-E £0.77
    201-LF £1.53
    201-VF £1.53
    Entonox 211-EA £0.44
    211-D £0.64
    211-ED £0.89
    211-F £2.54
    211-EX £4.45
    211-G £6.36
    211-EW £20.69

    Buy Medical Gas online

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  • Special Gas - CO2 Mixtures Surcharges

    Product Code Product Description Surcharge (excl. VAT)
    150773-L 25% Carbon dioxide/Nitrogen FOOD FRESH £ 1.16
    150774-L 30% Carbon dioxide/Nitrogen FOOD FRESH £ 1.43
    150774-WL 30% Carbon dioxide/Nitrogen FOOD FRESH £ 21.50
    150775-L 40% Carbon dioxide/Nitrogen FOOD FRESH £ 2.16
    150775-WL 40% Carbon dioxide/Nitrogen FOOD FRESH £ 32.43
    150776-L 40% CO2/30% O2/N2 FOOD FRESH £ 2.28
    150781-L 30% Carbon dioxide/Oxygen FOOD FRESH £ 1.56
    150781-WL-C 30% Carbon dioxide/Oxygen FOOD FRESH £ 23.51
    150782-L 25% Carbon Dioxide/Oxygen FOOD FRESH £ 1.28
    150782-WL 25% Carbon dioxide/Oxygen FOOD FRESH £ 19.09
    154281-L 40% Nitrogen/Carbon dioxide FOOD FRESH £ 1.46
    154512-L 50% Carbon dioxide/Nitrogen FOOD FRESH £ 3.04
    154512-WL 50% Carbon dioxide/Nitrogen FOOD FRESH £ 45.62
    155032-L 30% CO2/60% Oxygen/Nitrogen FOOD FRESH £ 1.55
    155248-WL 60% Carbon dioxide/Nitrogen FOOD FRESH £ 22.22
    157133-L 5% Oxygen/35% CO2/Nitrogen FOOD FRESH £ 1.74
    157781-L 50% Carbon Dioxide/Oxygen FOOD FRESH £ 3.34
    158319-WL 20% Oxygen/30% CO2/Nitrogen FOOD FRESH £ 22.02
    175178-WN 30% Carbon dioxide/Nitrogen FOOD FRESH. £ 20.24
    225740-L 20% CO2/O2 FOOD FRESH £ 1.00
    225740-WL 20% Carbon dioxide/Oxygen FOOD FRESH £ 15.00
    282106-L-C 20% CO2/Nitrogen FOOD FRESH £ 0.91
    563-VK FOOD FRESH CO2 SIZE VK. £ 7.82
    563-LK FOOD FRESH CO2 SIZE LK. £ 7.82
    563-WV FOOD FRESH CO2 SIZE WV. £ 117.30
    563-WL FOOD FRESH CO2 SIZE WL. £ 117.30
    563-LB FOOD FRESH CO2 SIZE LB. £ 1.46
    111095-Y Y 14KG CO2-CP £ 3.22
    111304-F F 5kg CP grade Carbon dioxide DIP TUBE £ 1.15
    111422-J J 25kg Carbon dioxide CP grade DIP TUBE £ 5.75
    150102-V V 500lt Carbon dioxide Research grade £ 0.26
    151028-L L 37kg Carbon dioxide Res Grade DIP TUBE £ 8.51
    160624-L-C L 25kg Pharmaceutical Grade CO2 £ 5.75
    160624-V-C V 5kg Pharmaceutical Grade CO2 £ 1.15
    160624-WL-C WL 375kg Pharmaceutical Grade CO2 £ 86.25
    170295-L L 31kg Carbon Dioxide CP DIN1 +70bar HE £ 7.13
    270008-J J 25kg Carbon dioxide CP grade £ 5.75
    270008-J-C J 25kg Carbon dioxide CP grade £ 5.75
    270010-F F 5kg Carbon dioxide CP grade £ 1.15
    270182-L L 2000lt Research Grade Carbon dioxide £ 1.03
    270182-L-C L 2000lt Research Grade Carbon dioxide £ 1.03
    159744-L L 35kg Laserpure Carbon dioxide £ 8.05
    153380-AK-C AK 20kg CO2 NEWPORT WAFER FAB £ 4.60
    153380-AL-C AL 25kg CO2 NEWPORT WAFER FAB £ 5.75
    161168-AK-C 30kg Carbon dioxide Compound Photonics £ 6.90
    153612-AK-C AK 20kg Carbon dioxide VLSI DIN6 £ 4.60

    Buy Speciality Gas online

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  • Dry Ice Surcharges

    Effective for deliveries from Monday 4th March to Wednesday 3rd April.

    Product code Product description Surcharge (excl. VAT)
    576-CB Dry Ice Pellets 10KG £0
    314-J Dry Ice Blocks 10KG £0
    575-D Dry Ice Slices 10KG £0
    38-C Dry Ice Pellets (Courier) 10KG £0
    333-105 Dry Ice 105KG £0
    333-210 Dry Ice 210KG £0

    Please see below for previous surcharges:

    Date 576-CB 314-J 575-D 38-C 333-105 333-210
    5th Jul - 2nd Aug 23 £0 £0 £0 £0 £0 £0
    3rd Aug - 3rd Sep 23 £0 £0 £0 £0 £0 £0
    4th Sepr - 3rd Oct 23 £0 £0 £0 £0 £0 £0
    4th Oct - 2nd Nov 23 £0 £0 £0 £0 £0 £0
    3rd Nov - 5th Dec 23 £0 £0 £0 £0 £0 £0
    4th Dec - 4th Jan 24 £0 £0 £0 £0 £0 £0
    5th Jan - 5th Feb 24 £0 £0 £0 £0 £0 £0
    5th Feb - 4th Mar 24 £0 £0 £0 £0 £0 £0

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  • CO2 Surcharges FAQ

    CO2 Surcharges FAQ

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