Written byThe Wellness
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Private Blood Tests London: Fast, Comprehensive Testing Without the Wait

Private blood testing in London offers same-week appointments with results typically available within 24-48 hours, compared to NHS wait times that can stretch to weeks for non-urgent testing, with comprehensive panels providing 50+ biomarkers for thorough health insight. At The Wellness in Marylebone, we provide doctor-supervised blood testing with rapid results and proper medical interpretation.

Whether you want routine health screening, are investigating specific symptoms, or need tests your GP hasn't offered, private blood testing gives you control over your health information without lengthy waits.

Ready to get tested? Book your blood test via WhatsApp

Why Choose Private Blood Testing?

Speed

NHS blood tests require GP referral and often involve weeks of waiting. Private testing offers:

  • Same-week (often same-day) appointments

  • Results within 24-48 hours

  • No referral needed

Comprehensive Options

NHS testing typically focuses on diagnosing disease. Private testing allows:

  • Proactive health screening

  • Broader marker ranges

  • Optimal range interpretation (not just "normal")

  • Tests NHS may not offer without strong justification

Proper Interpretation

Many private testing services give you numbers without context. At The Wellness:

  • GMC-registered doctors review results

  • You receive interpretation, not just data

  • Abnormalities are acted upon

  • Follow-up care available

Convenience

  • Central London location (Marylebone)

  • Flexible appointment times

  • Minimal waiting

  • Professional, comfortable environment

Blood Test Panels at The Wellness

Essential Health Screen: £195

Ideal for basic health check

Includes:

  • Full blood count

  • Liver function (ALT, AST, bilirubin)

  • Kidney function (creatinine, eGFR)

  • Fasting glucose

  • Cholesterol panel

  • Iron studies

Results: Within 48 hours

Comprehensive Wellness Panel: £245

Thorough general health assessment

Everything in Essential, plus:

  • HbA1c (diabetes marker)

  • Thyroid function (TSH, Free T4)

  • Vitamin D

  • Vitamin B12

  • Folate

  • CRP (inflammation)

Results: Within 48 hours

Advanced Health Panel: £345

In-depth analysis for optimal health

Everything in Comprehensive, plus:

  • Full thyroid panel (TSH, Free T4, Free T3)

  • Hormones (testosterone, SHBG)

  • Full lipid panel with ApoB

  • Homocysteine

  • HbA1c

  • Fasting insulin

  • DHEA-S

Results: Within 48 hours

Executive Health Panel: £445

Our most comprehensive blood screen

50+ markers including:

  • Advanced cardiovascular markers

  • Complete hormone panel

  • Extended nutrient panel

  • Inflammatory markers

  • Cancer screening markers

  • Full metabolic assessment

Results: Within 72 hours Includes doctor consultation

Specialist Panels

PanelPriceIncludesThyroid Complete£125TSH, Free T4, Free T3, antibodiesMale Hormone£175Testosterone (total/free), SHBG, oestradiol, prolactin, LH, FSHFemale Hormone£195Oestradiol, progesterone, LH, FSH, testosterone, SHBG, prolactinFertility (Female)£225AMH, FSH, LH, oestradiol, prolactin, thyroidHair Loss£175Thyroid, iron studies, vitamin D, B12, zinc, hormonesFatigue Investigation£195Thyroid, iron, B12, vitamin D, glucose, HbA1c, inflammatory markersSports Performance£245Hormones, nutrients, inflammatory markers, muscle markersCardiovascular Risk£195Advanced lipids, ApoB, Lp(a), hs-CRP, homocysteine

The Process

Step 1: Book Online or via WhatsApp

Choose your panel and preferred appointment time. Same-day appointments often available.

Step 2: Preparation

Most tests require fasting (10-12 hours, water allowed). We'll confirm requirements when you book.

Step 3: Your Appointment (15-20 minutes)

Visit our Marylebone clinic. A trained phlebotomist draws your blood quickly and professionally. Most patients describe it as a brief pinch.

Step 4: Laboratory Analysis

Samples are processed at accredited laboratories using the same equipment as NHS and major hospitals.

Step 5: Results Delivery (24-72 hours)

You receive detailed results via secure portal or email. Results include reference ranges and flags for abnormal values.

Step 6: Doctor Review (included with Executive panel, optional add-on for others)

A GMC-registered doctor reviews your results and provides interpretation, recommendations, and any necessary follow-up.

When to Consider Private Blood Tests

Proactive Health Monitoring

Don't wait for symptoms. Regular screening identifies issues before they become problems. We recommend comprehensive testing annually for adults over 30.

Specific Symptom Investigation

If you're experiencing:

  • Persistent fatigue

  • Unexplained weight changes

  • Mood or energy changes

  • Hair loss

  • Sleep problems

  • Digestive issues

Blood tests can identify or rule out underlying causes.

Optimising Performance

Athletes, executives, and health-conscious individuals use blood testing to:

  • Identify nutritional deficiencies

  • Optimise hormone levels

  • Track health markers over time

  • Guide supplement and lifestyle decisions

When NHS Testing is Difficult

  • Long wait times for routine tests

  • GP won't order specific tests

  • Want more comprehensive panels

  • Need faster results

Before Starting Treatments

Many treatments (TRT, hair loss therapy, supplements) should be guided by baseline blood work.

NHS vs Private Blood Tests

FactorNHSPrivate (The Wellness)CostFreeFrom £95Wait for appointmentDays to weeksSame day possibleWait for resultsDays to weeks24-72 hoursReferral requiredUsuallyNoPanel scopeLimited to clinical necessityComprehensive optionsInterpretationBrief, if anyDetailed (with doctor review)Follow-up careSeparate GP appointmentIntegrated at same clinic

When NHS is better:

  • You're diagnosed with a condition requiring monitoring

  • Cost is prohibitive

  • You're not in a hurry

  • Your GP is responsive and thorough

When private is better:

  • You value speed and convenience

  • You want comprehensive proactive screening

  • NHS won't order tests you want

  • You want proper interpretation

Understanding Your Results

Blood test results include reference ranges, but context matters:

"Normal" vs "Optimal"

Lab reference ranges define "normal" based on population averages, which include unhealthy people. Optimal levels for wellness are often narrower.

Example:

  • Vitamin D lab normal: 30-100 ng/mL

  • Optimal for health: 50-80 ng/mL

A result of 32 is "normal" but suboptimal.

The Value of Doctor Review

Numbers without interpretation are limited. A doctor can:

  • Identify patterns across multiple markers

  • Contextualise results with your symptoms and history

  • Recommend appropriate action

  • Order follow-up if needed

  • Refer to specialists when appropriate

At The Wellness, doctor review is included with our Executive panel and available as an add-on (£75) for other panels.

Frequently Asked Questions

Do I need to fast before blood tests?

Most comprehensive panels require fasting (10-12 hours) for accurate glucose and lipid results. Water is fine. We'll confirm requirements when you book.

How much blood is taken?

Typically 15-30ml depending on the panel (a few small tubes). This is a tiny fraction of your total blood volume.

Does it hurt?

Most patients describe a brief pinch when the needle enters. The actual blood draw is painless. Our phlebotomists are experienced at making the process as comfortable as possible.

How quickly will I get results?

Most results return within 24-48 hours. Some specialised tests take 72 hours.

Can I choose individual tests?

Yes. If you need specific tests not in our panels, we can create custom testing. Contact us to discuss.

Will you share results with my GP?

Only if you request it. Your results are confidential. We can provide a summary letter for your GP if desired.

What if something is abnormal?

We contact you to discuss significant abnormalities. Depending on findings, we may recommend repeat testing, treatment at our clinic, or referral to specialists.

Book Your Private Blood Test

Get answers about your health without the wait. Same-week appointments available at our Marylebone clinic.

Take control of your health data. Book your blood test via WhatsApp

The Wellness 10 Portman Square, Marylebone, London W1H 6AZ 5 minutes from Marble Arch tube station

Last updated: February 2026

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Private Blood Tests London: Fast, Comprehensive Testing Without the Wait | The Wellness | The Wellness