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Cardiology · London

Private ambulatory blood pressure and Holter monitoring in London, reported by a consultant cardiologist.

Wearable monitoring for blood pressure and heart rhythm - reported by a cardiologist, not left as raw data on an app.

A stethoscope on a clinical desk

Indicative pricing

What private ambulatory monitoring costs in London.

Indicative ranges across UK private providers.

In short

A 24-hour BP monitor: £180-£350; a 14-day patch £500-£1,000.

Device Indicative range
24-hour blood pressure monitor £180–£350
24-hour Holter ECG £220–£400
48-hour Holter ECG £280–£500
7-day event recorder £400–£800
14-day patch monitor £500–£1,000
Implantable loop recorder (referral) £2,500–£5,000

Prices vary by clinic, device length, and whether a consultant review is included.

The problem

A clinic snapshot is not the same as real life.

Blood pressure jumps in a clinic. Palpitations vanish when a doctor listens. Ambulatory monitoring captures what actually happens across a day or two weeks - and matches the device to the frequency of the symptom.

  • BP high in clinic, normal at home?

    A 24-hour ambulatory monitor settles the question NICE recommends it be settled with.

  • Symptoms every few weeks?

    A 14-day patch is far more likely to catch it than a 24-hour Holter.

  • Want a cardiologist to read it?

    Look for clinics where a consultant reports every trace, not software alone.

What it shows

Find the monitor that matches your question.

BP and rhythm questions differ in pattern. These are the eight most common questions.

  • Ambulatory blood pressure profile

    A true day-and-night picture of your BP, far more accurate than a single clinic reading.

  • White-coat vs true hypertension

    Distinguishes clinic-only spikes from sustained high blood pressure that needs treating.

  • Palpitations

    Captures a racing, skipping or thumping heartbeat while you go about a normal day.

  • Unexplained syncope

    Investigates blackouts and near-blackouts for a rhythm or conduction cause.

  • Suspected atrial fibrillation

    Detects AF, the most common serious rhythm problem and a major stroke risk.

  • Prolonged AF screening (14-day)

    A patch worn for two weeks catches intermittent AF that shorter monitors miss.

  • Antihypertensive medication review

    Checks whether your current tablets control BP across 24 hours - or overshoot at night.

  • Red flag: syncope with exertion

    Fainting during exercise needs urgent cardiology assessment, not just a monitor.

Device types

Not all monitors are the same.

What each device on your referral is actually for.

  • 24-hour BP monitor

    A cuff that inflates every 30 minutes by day and hourly at night, for a true ambulatory blood pressure profile.

  • 24-hour Holter ECG

    A small recorder worn for a day - catches symptoms that happen most days.

  • 48-hour Holter

    Two days of continuous ECG for slightly less frequent symptoms.

  • 7-day event recorder

    A week of monitoring for symptoms that happen a few times a week.

  • 14-day patch monitor

    A slim adhesive patch worn continuously for two weeks - showerproof and no wires.

  • Post-stroke rhythm screen

    Prolonged monitoring to find paroxysmal AF after a cryptogenic stroke or TIA.

  • Post-ablation monitor

    Rhythm surveillance after AF ablation to check the procedure has held.

  • Implantable loop recorder pathway

    Referral for a tiny under-skin recorder when symptoms are rare but serious.

Safety and eligibility

Non-invasive, but there is a knack to wearing it well.

Ambulatory monitoring is completely safe. The practical points are wearing it properly - and knowing what a normal recording does and does not rule out.

  • Wear the monitor as normal

    Go about your usual day - work, walk, exercise light to moderate. The recording is only useful if it reflects real life.

  • Keep it dry

    Standard Holter and BP monitors must stay dry - no showers, baths or swimming. Waterproof patches are fine to shower in.

  • The symptom diary matters

    Note the time of every palpitation, dizzy spell or headache. Correlating the trace with your symptoms is half the value.

  • Avoid tight clothing over BP cuff

    The cuff needs to inflate freely. Loose sleeves make readings more reliable and the day less uncomfortable.

  • Sleep can be disturbed

    BP cuffs inflate through the night; Holter wires can be fiddly. Worth knowing in advance so you plan around it.

  • Brief redness at electrode sites

    The adhesive occasionally leaves marks or mild irritation.

  • Phone and watch data is not medical

    Consumer wearables can flag concerns but do not replace a medical-grade recording read by a cardiologist.

  • Sensitivity depends on frequency

    A 24-hour monitor cannot catch a monthly episode - matching duration to symptom frequency is the whole point.

  • Repeat monitoring is sometimes needed

    A negative trace does not always end the question. Longer or repeat monitoring is a normal next step.

Reading your report

Days of data, boiled down to a page.

Whether 24 hours of BP or 14 days of rhythm, the report keeps to the same four parts.

A UK consultant cardiologist reviewing an ambulatory monitoring trace

A quiet reminder

"No episodes recorded" is not the same as "nothing wrong".

If your symptoms are rare, a longer or repeat study is the sensible next step.

  1. 01 Header

    Your details and the question

    Your details, which device was worn, and the symptoms or BP question behind it.

  2. 02 Technique

    Device and duration

    Whether this was 24-hour BP, a 24- or 48-hour Holter, a 7-day event recorder or a 14-day patch - each answers a different question.

  3. 03 Findings

    BP averages or rhythm summary

    Daytime and night-time BP averages and dip pattern, or heart rate range, ectopy burden and any arrhythmias, alongside your diary entries.

  4. 04 Impression

    Read this first

    Normal, hypertension, arrhythmia or a cardiology pathway - what it means and what to do next.

Recognised by major UK insurers

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Frequently asked

Common questions about ambulatory monitoring.

Quick answers on cost, referrals, comfort, sleep, showering and results.

  • How is 24-hour BP different from a clinic reading?

    A single clinic reading is a snapshot, often affected by the setting itself. A 24-hour ambulatory monitor takes readings across a full day and night, gives daytime and night-time averages, and shows whether your BP dips normally overnight. NICE recommends it before diagnosing hypertension.

  • Should I have a Holter or an event recorder?

    If symptoms happen most days, a 24- or 48-hour Holter usually catches them. If they happen a few times a week, a 7-day event recorder is far more likely to record the episode. For rarer symptoms, a 14-day patch or an implantable loop recorder is the right step.

  • How much does ambulatory monitoring cost in London?

    A 24-hour BP monitor is typically £180-£350. A 24-hour Holter is £220-£400, rising to £500-£1,000 for a 14-day patch.

  • Do I need a referral?

    Most monitors accept self-referral.

  • Can I sleep in it?

    Yes. BP cuffs inflate less often overnight but may still disturb sleep. Holter and patch monitors are worn continuously - most people sleep normally after the first night.

  • Can I shower with it on?

    Standard Holter and BP monitors must stay dry - no showers, baths or swimming. Waterproof adhesive patches are fine to shower in but not to swim.

  • How important is the symptom diary?

    Essential. Correlating the trace with the moments you felt palpitations, dizziness or headaches is half the value of the study. A simple diary sheet or app is usually provided.

  • How quickly will I get results?

    Reports take 3-5 days for a 24- or 48-hour study, 5-7 days for a 7-day recorder and 7-10 days for a 14-day patch, because there is a great deal of data to analyse.

  • What does "no episodes recorded" mean?

    It means nothing was captured during the wearing period. It does not always mean there is nothing wrong - if symptoms are rarer than the monitor was long, a longer or repeat study is the sensible next step.

  • When should I see a GP urgently instead?

    If you have fainted during exercise, have chest pain, severe breathlessness, or a family history of sudden cardiac death, seek urgent assessment rather than waiting for a monitor. Call 999 for chest pain that is severe or new.

Related tests

Looking for a different test?

In practice, in London

Booking ambulatory monitoring privately in London - what actually happens

With ambulatory monitoring, the London question is usually about report turnaround and the radiologist reading it - not whether the scan is available. On the NHS, ambulatory monitoring typically sits behind a triage step and a wait that can stretch from a few weeks into months. In London’s private sector, the same appointment often lands within days. That speed matters when symptoms are disrupting work, sleep, or a plan you’d already committed to - and it is a common reason people look at private options.

The mechanics are straightforward: a consultant appointment, any tests done at a nearby CQC-registered site, and a written report back within a few days. London’s density of private diagnostics - Marylebone, the City, Chelsea, Canary Wharf - means most patients can find something that fits around work without a cross-town trek. For ambulatory monitoring specifically, the difference between a routine report and a sub-speciality read is where private care earns its keep.

Honesty about expectations is part of the job. A private ambulatory monitoring appointment in London won’t change the underlying medicine - the guidelines, the consultants, and the equipment are largely the same as on the NHS. What it changes is speed, continuity, and the amount of time you get to actually talk through the findings. Check that any consultant you see is on the GMC specialist register and that the facility is registered with the CQC.