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Define Clinic Fitzrovia

In person clinic · England

● On the CQC registerIndependent consulting doctorsRegistered since 2025★ 5.0 on Google · 64 reviews

Checked against CQC.

Welcome to Define Clinic. The Best Aesthetic Clinic in London & Beaconsfield. Contact us today to define your confidence.

What this provider offers

What the provider offers, from its own site and our classifier. It is not a recommendation, and we don't review the treatment itself.

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9 - 10 Windmill Street, London
London · England · W1T 2JF

Opening hours

  • Monday9:00 AM – 6:00 PM
  • Tuesday9:00 AM – 6:00 PM
  • Wednesday9:00 AM – 6:00 PM
  • Thursday10:00 AM – 7:00 PM
  • Friday10:00 AM – 4:00 PM
  • SaturdayClosed
  • SundayClosed
♿ Step-free entrance

Hours and accessibility from Google. Confirm with the provider.

Reviews from Google

All reviews ↗

★ 5.0 from 64 Google reviews

Tara Iyadurai★★★★★· 5 months ago

I had such a lovely aesthetic consultation with Dr Arreni. She was so friendly, knowledgeable and immediately put me at ease. I really appreciated that she didn’t push any treatments at all, which felt so refreshing and honest. I left feeling informed and confident — will definitely be back!

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kirstin johansen★★★★★· 6 months ago

The team at Define Clinic London were incredibly friendly and knowledgeable. Dr Elina was fantastic. She is very knowledgeable with genuine care for my skin and treatment plan. I did a lot of research to find a good clinic and I felt like I was in very safe hands with Elina. Thank you 🙏🏼

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Jasleen Dhillon★★★★★· 7 months ago

Dr Arreni was amazing! This was my first time getting any sort of work done and I couldn’t have been more happy with my results, Dr Arreni made sure everything was natural and just the way I wanted. I was made to feel comfortable throughout the entire process, which really eased any nerves I had. She was so nice and easy to talk to and I will 100% recommend her!

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Shenead★★★★★· 8 months ago

I heard of Define Clinic through my workplace after they came and introduced their new clinic opening in Fitzrovia. I’ve always been interested in aesthetics and injectables but I find the market so oversaturated and it’s almost impossible to find a practitioner that you can trust and for the right price too. I had my initial consultation with Dr Arreni for hyperpigmentation and under eye hollowness and she had a thorough chat with me about my skin goals and what she would suggest. We did a skin scan and she made a treatment plan for me which was emailed with pricing. The clinic also offers 0% financing which was great. I never felt like I was being pushed to buy anything and she was honest about expectations and told me what I would see with what treatment I would get. I decided to start with tear trough filler as that was my biggest concern and my appointment with Dr Arreni was smooth and pain free. She was extremely friendly and kind and made me feel at ease and I am overjoyed with the result. I feel like I can really trust her and her expertise as a skilled doctor and I will most likely keep this as my clinic of choice for all other treatments I would want in the future.

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Nis Kaur★★★★★· 8 months ago

I went to see Dr Arreni for lip filler - I was really nervous, as I had my lips dissolved after 9 years, and was starting from scratch essentially. I knew what I wanted/didn’t want, and Dr Arreni understood the vision promptly and to the T! The results have been the best I’ve ever seen! My lips look so natural, yet with so much definition and volume. She’s brought my confidence back, making sure I enhance my lips as opposed to change them altogether. I can’t recommend Dr Arreni enough! The entire clinic was so pleasant, clean and the team were so friendly! Definitely recommend Define/Dr Arreni!

Read on Google ↗

Reviews are provided by Google and reflect their authors' views. They are not our verification.

Common questions

Is Define Clinic Fitzrovia a regulated provider?

Yes. It is on the Care Quality Commission register under registration 1-22928477916. You can open the register entry from the record on this page and check it yourself.

Does it offer online consultations?

Our data does not show a remote consultation option, so treatment is likely in person. Confirm with the provider.

Do you charge the clinic, or take a fee for this listing?

No. We take no lead fees and no commission. This page is a factual check against the public register, and you contact the provider yourself.

How do I book?

Contact the provider directly through its website or, where shown, by phone. We do not handle bookings.

What we didn't check

Prices (held back until our legal review), waiting times, the consultation you receive, and the individual prescriber (unless a doctor's GMC number is shown above). Any Google rating and reviews above are theirs, not our verification. We check the provider against the public register; we don't review the treatment itself.

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