Dr Ektor Grammatopoulos Orthodontics
Orthodontist in Marylebone High Street, London
- Address
- 11 Wimpole St, London W1G 9ST
- Phone
- 020 7935 0357
- Website
- ektorgrammatopoulos.com
- Public rating
- 4.5+ stars in 100+ reviews (Google reviews, Sep 2026)
Treatments with their own page on its website
Pages on the practice's own website, read in October 2026. A page describing a treatment is the practice's own claim.
How it compares in London
| Dr Ektor Grammatopoulos Orthodontics | London median | |
|---|---|---|
| One- and two-star share of written reviews | 1% 2 of 205 written reviews | 6% |
| Open on Saturdays | Yes Listing hours | 45% of practices |
27 written reviews in the 12 months to 4 August 2026, 96% of them four or five stars.
What patients mention
How the visit felt
- Invisalign, braces or retainer treatment
- Made to feel comfortable and relaxed
- Care that feels straightforward
- Results beyond expectations
- Each treatment step explained
The team and the practice
- Friendly, kind and professional staff
Why patients came
- Recommendations to people choosing a dentist
Counted across all 205 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
Opening hours
| Monday | 8am–6pm |
|---|---|
| Tuesday | 7:45am–6:30pm |
| Wednesday | 7:45am–6:30pm |
| Thursday | 7:45am–6:30pm |
| Friday | 7:45am–6:30pm |
| Saturday | 9am–4pm |
| Sunday | Closed |
From its business listing, Sep 2026. Bank holiday hours may differ.
Access and payment
Wheelchair-accessible toilet
Pays by: Credit cards, Debit cards, Contactless and mobile pay
As set on its business listing, Sep 2026.
What the practice says
Orthodontics
The practice's own description on its business listing.