London Cartilage Clinic IconLondon Cartilage Clinic66 Harley Street
Doctor demonstrating knee joint model during consultation

Knee Replacement

From £18,500
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Guide price only. Final cost is confirmed after assessment.

Knee replacement surgery resurfaces the worn joint surfaces with precision-engineered implants to restore movement and relieve pain. At London Cartilage Clinic, we offer both total and partial knee replacement, selected based on the pattern and extent of your arthritis. Every patient receives a thorough assessment of joint-preserving alternatives before replacement is recommended, because we believe surgery should be the right choice, not the only option offered.

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Prof Paul LeeReviewed byProf Paul LeeLast reviewed 1 May 2026
Doctor examining patient knee during pre-operative assessment

Total vs partial choosing the right replacement

The choice between total and partial knee replacement depends on where the arthritis is, how much healthy tissue remains, and your functional goals.

  • Total replacement: all three compartments are resurfaced. Suited to widespread arthritis affecting the entire joint.
  • Partial replacement: only the damaged compartment is replaced. Preserves ligaments and more natural knee feel.

Patient-specific imaging and templating allow us to plan implant size, positioning, and alignment before you reach the operating theatre. This precision supports better function and longer implant survival.

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Recovery and return to the things you enjoy

Knee replacement recovery follows a structured pathway. Physiotherapy begins on the day of surgery and continues for several months to rebuild strength, flexibility, and confidence in the joint.

  • Walking with support from day one, typically home within one to three days.
  • Most patients return to driving at around six weeks.
  • Recreational activities such as cycling, swimming, and golf from three months.

Our post-operative programme focuses on functional milestones rather than arbitrary timelines. The pace is guided by your progress, not by a calendar.

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Patient returned to golf after knee replacement

Pricing

Knee replacement cost in the UK

From £18,500 at London Cartilage Clinic. Total knee replacement at £18,500 (TWIS-TKR), partial at £23,000. All-inclusive of theatre, the consultant anaesthetist and follow-up.

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You may have more options than you think

Most patients have more treatment options than they have been told

At London Cartilage Clinic we follow a structured clinical framework across four areas of treatment. Before recommending a single procedure, we assess which combination of approaches gives you the best outcome.

Preserve

Protect what you have. Slow degeneration and manage symptoms.

Repair

Fix specific damage. Torn tissue, unstable joints, structural problems.

Regenerate

Rebuild lost tissue. Biological treatments that stimulate new growth.

Replace

When other options are exhausted. Joint replacement as a last resort.

Explore the full range of treatments available for your joint. Each hub page shows every option we offer, organised by clinical approach.

Explore Knee Options
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Frequently Asked Questions

What is the difference between total and partial knee replacement?

Total knee replacement resurfaces all three compartments of the knee joint. Partial (unicompartmental) replacement resurfaces only the damaged compartment, preserving healthy bone, cartilage, and ligaments. Partial replacement is suited to patients where arthritis is confined to one area of the knee and the ligaments remain intact.

How long does a knee replacement last?

Modern implants are designed to last 15 to 25 years or longer. Longevity depends on implant type, surgical technique, patient activity level, and body weight. At London Cartilage Clinic, patient-specific planning is used to optimise implant positioning and maximise lifespan.

How long is the recovery from knee replacement?

Most patients are walking with support on the day of surgery and leave hospital within one to three days. Driving typically resumes at around six weeks. Full recovery with a return to recreational activities takes three to six months, though improvement continues for up to a year.

Why does London Cartilage Clinic explore alternatives before recommending replacement?

Knee replacement is a highly effective procedure, but it is irreversible. Many patients have biological and joint-preserving options that can delay or avoid the need for replacement entirely. Our approach is to exhaust these alternatives first and recommend replacement only when it offers a clear advantage over continued conservative management.

What activities can I do after knee replacement?

Most patients return to walking, cycling, swimming, golf, and gentle hiking. High-impact activities such as running and jumping place greater stress on the implant and are generally discouraged. Your surgeon will discuss activity goals as part of your pre-operative planning.

Still have more specific concerns?

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London Cartilage Clinic

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