What the NHS Actually Provides
The NHS runs a Home Oxygen Service that many people do not realise they can access. If you need oxygen for most of the day, including through the night, a home oxygen concentrator is usually the recommended device. This is a machine roughly the size of a bedside table that filters nitrogen out of the air and delivers concentrated oxygen through a nasal cannula.
For getting out and about, the picture is a little different. The NHS typically offers portable oxygen cylinders weighing 2-3kg, small enough to fit in a backpack or shopping trolley, rather than a mini electronic concentrator. That matters, because a cylinder lasts only around three hours, while a battery-powered mini concentrator can run for several hours and be recharged.
The referral process is clinical. A registered healthcare professional must complete the necessary forms, including a home oxygen consent form and a risk mitigation form, before anything is delivered. During an assessment you may be asked to do a walking test while your oxygen levels are monitored; if they drop and recover slowly, a portable supply is usually offered. Four companies supply the NHS home oxygen service across England, each covering a set region, with Air Liquide, Baywater Healthcare, BOC and Vivisol among the main providers. Scotland, Wales and Northern Ireland run their own arrangements.
Why People Buy Their Own Mini Concentrator
The most common complaint heard on UK respiratory forums is not about the NHS care itself, but about the equipment. One patient in England described how her NHS portable cylinders were free but heavy and short-lived, while the electronic portable concentrators she wanted were "quite expensive to buy." Another explained the awkward mismatch of being on continuous flow at home but receiving only a pulse-dose cylinder for outdoors.
There is also a timing issue. NHS assessments take time, and not everyone with breathlessness meets the strict criteria for ambulatory oxygen. A mini concentrator gives people who are borderline or who simply want more independence a way to travel, attend family gatherings or visit the garden without dragging a cylinder behind them.
What a Mini Concentrator Costs in the UK
If you are buying privately, you are looking at a meaningful investment. Reputable UK suppliers list the Philips Respironics SimplyGo Mini at around £1,299 to £1,499, while other portable models commonly sit in the £1,200 to £2,000 range depending on battery options and warranty. At the budget end, smaller 1-litre devices can be found for less, but check the flow settings carefully because a pulse-dose machine is not suitable for everyone. Always buy from a registered UK supplier rather than an overseas marketplace, because you need a device that meets UK safety standards, comes with a real warranty and has local servicing.
It is worth understanding the difference between flow types. A pulse-dose machine delivers a burst of oxygen when it senses you breathing in, which makes it lighter and gentler on the battery. A continuous-flow machine provides a steady stream, which some patients need even when they are mobile, and these tend to be larger and more expensive. Your clinician should help you decide which is appropriate, and this is the first question to answer before you look at prices at all.
Comparing Your Options
| Option | Typical cost | Best for | Advantages | Challenges |
|---|
| NHS home oxygen service | Free at point of use | People needing oxygen most of the day | Clinically assessed, maintained and serviced by the supplier | Limited to named patients; portable option is usually a cylinder, not an electronic device |
| NHS portable cylinder | Free at point of use | Short outings, walking within the home | Lightweight, no battery concerns | Lasts only about 3 hours, needs reordering, not suitable for everyone |
| Privately bought mini concentrator | Roughly £1,200-£2,000 | Active patients wanting independence | Rechargeable battery, travel approved, no delivery waiting times | Upfront cost, plus spare batteries and servicing |
| Rental or payment plan | Varies by provider and term | Those unsure about long-term need | Spreads the cost, lets you trial a device | Monthly commitment can add up over time |
How to Approach Funding and Support
In the UK there is no direct equivalent of the American insurance model for oxygen, so the practical question is how to make a purchase work for your budget. Several reputable UK suppliers offer monthly payment plans that spread the cost of a portable concentrator over an agreed term, which can turn a large one-off payment into something more manageable. Others offer refurbished units with a warranty, which can reduce the price substantially while still coming from a registered source. Renting for a trial period is another route if you are not certain a mini concentrator will suit your needs.
A few practical steps help the decision feel less overwhelming. First, ask your respiratory team for a written opinion on your flow requirements, because that narrows the choice to machines that are actually safe for you. Second, request a demonstration or a short home trial from a UK supplier before committing to a purchase. Third, check the battery life honestly against your typical outings, and factor in the cost of a spare battery if you plan to be out for most of the day. Finally, if you travel by air, confirm the device meets airline and fit-to-fly requirements, and always carry the necessary documentation.
Making the Right Choice for Your Life
The gap between what the NHS provides and what daily life demands is real, but it is not unbridgeable. For many patients, the answer is a combination: a home concentrator through the NHS for the long hours at home, and a privately owned mini unit for the moments that matter outside it. That approach keeps the free clinical support where it works best while giving you control over how you spend your days.
Start by talking to your respiratory team, because the safest purchase is one guided by your own oxygen needs. Then compare a couple of UK suppliers, check their warranties and servicing arrangements, and ask about payment plans if the upfront price feels steep. A mini oxygen concentrator is not a small decision, but for many people it is the difference between staying in and getting out, and that is worth planning for carefully.
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