How Much Does Knee Surgery Cost? Private versus NHS

If you’re looking at private knee replacement surgery in the UK, expect to pay between £12,000 and £17,000. The price varies depending on where you are, the hospital, and the procedure type. Total knee replacements tend to be more expensive than partial ones, and advanced options like robot-assisted surgery can add to the cost due to special equipment and expertise involved. These prices often cover a full package of care.

Research shows that “total knee arthroplasty (TKA) was linked to higher personnel costs and total facility costs, both including and excluding implants” (Lim et al., 2024). This highlights how the specific procedure you choose can have a significant impact on the overall cost, even within private care.

In contrast, NHS knee surgery is free at the point of use for those eligible. However, waiting times can be long – sometimes several months – which can affect your mobility and daily life. So, while money isn’t a barrier, waiting time often is.

What Is Included in the Cost?

Private surgery fees typically cover everything from initial assessments and the operation itself, to anaesthesia, implants, post-operative care, follow-ups, and rehabilitation. Some private providers offer tailored packages, especially if you opt for robot-assisted surgery, which may be priced differently due to the advanced technology.

On the NHS, knee surgery usually includes the surgery, hospital stay, and standard follow-up appointments. However, NHS care tends to follow more standardised treatment plans. This can mean less scope for personalised rehabilitation or access to cutting-edge treatments compared with private options.

A recent study highlighted that “TKA had increased facility costs, including and excluding implants,” further showing how what’s included can vary depending on the procedure (Lim et al., 2024).

How Can You Pay for Private Surgery?

If private surgery is your route, payment options vary widely. Some pay the full amount upfront, while others choose medical loans or monthly payment plans offered by clinics or financial providers. These options help spread the cost and make private treatment more accessible. It’s important to explore these carefully and seek financial advice if needed.

NHS surgery, for those eligible, requires no direct payment, making it financially accessible. Still, remember that the trade-off can be longer waits and less flexibility.

What Does Patient Experience and Outcome Look Like?

Patient experience after knee surgery is influenced by factors like waiting times, access to advanced procedures such as robot-assisted surgery, the surgeon’s expertise, and the care environment. Orthopaedic care is evolving; for example, the use of bone cement is now endorsed beyond trauma cases to include cancer care, enhancing safety and outcomes.

Preventing infection after surgery is crucial for health and costs. A recent study found that a comprehensive infection prevention programme reduced surgical site infections (SSIs) dramatically, from 5.6% to 1.1% (Moreira et al., 2025), leading to significant cost savings. This supports the wider use of such measures in knee surgery.

In cases where both knees need replacement, there are two surgical options: simultaneous or staged bilateral knee replacement. Research showed that “simultaneous bilateral total knee arthroplasty (SimBTKA) was less costly by over US$8,400 per patient and had comparable safety outcomes” compared with staged surgery (Tsui et al., 2024). Plus, SimBTKA patients had shorter hospital stays, making it an option worth discussing with your surgeon if you are medically fit.

Professor Paul Lee and the MSK Doctors team stand out for their commitment to high standards and innovative care, ensuring patients benefit from expert advice and support while maintaining realistic expectations.

How to Make the Best Choice for You

To recap, private knee surgery comes with a price tag of roughly £12,000 to £17,000 but offers faster access, more procedure options, and often personalised aftercare. NHS surgery avoids direct costs but may require a longer wait—something to consider if mobility is a pressing concern.

Your decision should weigh your finances, the urgency of your surgery, your health, and what you expect from treatment. Speaking with knowledgeable healthcare professionals, such as those at MSK Doctors, can help you navigate these choices with confidence.

This guide aims to give you a balanced overview to empower your decision-making. Remember, personalised advice is always key—reach out to trusted experts who can walk this journey with you.

References

• Lim, P. L., Gonzalez, M. R., Goh, G. S., Melnic, C., & Bedair, H. S. (2024). Inpatient cost comparison of total and unicompartmental knee arthroplasty in patients with medial compartmental osteoarthritis using time-driven activity-based costing. Knee Surgery & Related Research, Advance online publication. https://doi.org/10.1002/ksa.12543
• Moreira, P. A. M., Gontijo, T., Colen, G., Morganti, A. C., Gómez, F. I. U., Mourão, P.A.S., Mota, G., Couto, B. G., Rocha, P. A. V., Machado, L. G., Silva, R. B., & Salles, M. (2025). Comparison of cost savings of methods of prevention of orthopedic implant-associated infection in arthroplasty and closed fracture surgery patients. Antibiotics, 14(9), Article 900. https://doi.org/10.3390/antibiotics14090900
• Tsui, O. W. K., Chan, P., Cheung, A., Chan, V., Luk, M., Cheung, M., Lau, L. C. M., Leung, T. K. C., Fu, H., & Chiu, K. (2024). Comparison of the cost-effectiveness and safety between staged bilateral total knee arthroplasty and simultaneous bilateral total knee arthroplasty: A retrospective cohort study between 2001 and 2022. The Knee, Advance online publication. https://doi.org/10.1055/a-2368-4516