Harley Street Dental Clinic (HSDC London)
Dentist in Marylebone High Street, London
- Address
- 139 Harley St, London W1G 6BG
- Phone
- 020 7486 1059
- Website
- harleystreetdentalclinic.co.uk
- Public rating
- 4.5+ stars in 250+ reviews (Google reviews, Sep 2026)
NHS and registration
- Registered with the Care Quality Commission since 22 April 2014. CQC page for this location (provider: Harley Street Dental Clinic Limited). CQC care directory, 1 October 2026.
How it compares in London
| Harley Street Dental Clinic (HSDC London) | London median | |
|---|---|---|
| One- and two-star share of written reviews | 8% 24 of 297 written reviews | 6% |
| Practice replies to one- and two-star reviews | 46% 11 of 24 | 47% |
| Open on Saturdays | Yes Listing hours | 45% of practices |
48 written reviews in the 12 months to 9 September 2026, 90% of them four or five stars.
What patients mention
How the visit felt
- Made to feel comfortable and relaxed
- Care that feels straightforward
- Invisalign, braces or retainer treatment
- Appointments without feeling rushed
- Time to discuss concerns and ask questions
The team and the practice
- Friendly, kind and professional staff
- Returning for care and choosing to stay
Why patients came
- Recommendations to people choosing a dentist
Counted across all 297 written reviews up to Sep 2026: each theme's wording was found in every review, and samples were read to measure how many matches are really about it, so counts are estimates. Themes are shown only when at least 90% of sampled matches were on topic. How we count
What unhappy patients say
16 one- and two-star written reviews since October 2023 describe a problem with this practice. The reasons they give most often:
- Rude or unhelpful reception
- Phones not answered or calls not returned
- Dentist was rude or dismissive
- Charged more than they were told
- Deposit, cancellation-fee or refund disputes
- Pushed to have treatment they doubted
Every one- and two-star written review since October 2023 was read in full and sorted into fixed reasons, so counts compare across practices. A review can give more than one reason. How we read them
Opening hours
| Monday | 9am–6:30pm |
|---|---|
| Tuesday | 9am–6pm |
| Wednesday | 8:30am–6:30pm |
| Thursday | 9am–6:30pm |
| Friday | 9am–6:30pm |
| Saturday | 9am–4pm |
| Sunday | Closed |
From its business listing, Sep 2026. Bank holiday hours may differ.
Access and payment
Wheelchair-accessible entrance · Wheelchair-accessible toilet · Hearing loop · LGBTQ+ friendly
Pays by: Payment plans, Credit cards, Debit cards, Contactless and mobile pay
As set on its business listing, Sep 2026.
What the practice says
Harley Street Dental Clinic (HSDC London) is one of London's leading centres of excellence in dentistry. Our team of experienced specialists at 139 Harley Street, London W1 combines cutting-edge technology (Invisalign, Laser Dentistry) with a commitment to pain-free dentistry and confident results. We bring the finest cosmetic dentists, orthodontists, endodontists, and maxillo-facial surgeons under one roof, ensuring comprehensive care. Book your consultation for a healthy, confident smile.
The practice's own description on its business listing.