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Find a London Drug Testing Location

Search our London locations by sample collection type or medical service. Each site includes a service key to help you choose the right option.

Mobile Collection Service
A trained collection officer will visit your home, workplace, or other location to collect samples. Please note: this is not a mobile clinic or vehicle you visit.

Need Help?
For search instructions, scroll to the bottom of the page. Or call us on 0800 988 7107 — our friendly team is ready to help.

Booking an Appointment
Once you’ve found the right London location, call us on 0800 988 7107 to book.

Save with Online Bookings
Selected London locations offer discounts for online bookings. To check, choose online appointments in the collection type field and leave location blank.

UK wide sample collection network
Crystal Health Group provides nationwide coverage. Click below to explore our full network of UK testing locations.

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Bromley Mobile Collection – MCDBR2 (U, DNA, H, BL)
Bromley, London, BR2 8DL, Greater London, England, United Kingdom
Westminster Mobile Collection – MACW2 (DNA, U, H, RISQS, OF)
Westminster, Millbank, City of Westminster, SW1P 3JX, Greater London, England, United Kingdom
Richmond Clinic – RRICH (DNA, U, RISQS, H, BL, P)
Parkshot House, 5 Kew Road, Richmond, TW9 2PR, Greater London, England, United Kingdom
London Medical Service – ELON
City Business Centre, 8, London SE16 2XB
Holborn Clinic – PWC1B (DNA, U, OF, H, RISQS) ONLINE
88, Southampton Row, Holborn, London, WC1B 4BB, Greater London, England, United Kingdom
Victoria Clinic – PSW1W (DNA, U, H, P)
6 Lower Belgrave Street, London SW1W 0LJ
Croydon Clinic – RCROY (DNA, OF, U, H, RISQS, BL)
The Lansdowne Building, 2 Lansdowne Road, London, Croydon CR9 2ER
Leatherhead Clinic – RLEAT (U, OF, DNA, BL)
Regus, KT22 7PL, Regent Park Business Centre, Leatherhead, Mole Valley, Surrey, England, United Kingdom
Brentwood Clinic – RBREN (U, BL, RISQS, DNA, OF, H)
3, Jubilee House, The Drive, Great Warley, Warley, CM13 3FR, Brentwood, Essex, England, United Kingdom
Dartford Mobile Collection – MGSDA1 (DNA, U, H, RISQS, OF)
Dartford, DA1, Kent, England, United Kingdom
Barking Clinic – RBARK (DNA, U, H, RISQS, OF, BL)
160, London Road, Roding Riverside, Barking, London, IG11 8BB, Greater London, England, United Kingdom
Wembley Mobile Collection – MBCNW9 (U, BL, H, DNA)
Wembley, HA9 7BP, Greater London, England, United Kingdom
West London Medical Service – EWLON
Crown House, North Circular Road, Park Royal, London Borough of Ealing, London, Greater London, England, NW10 7XP, United Kingdom
Ealing Mobile Collection – MSMW13 (DNA, U, RISQS, H, BL, P, OF)
Ealing, W5 5DG, Greater London, England, United Kingdom
Vauxhall Clinic – RVAUX (U, DNA, H, BL)
37 Vintage House, Albert Embankment, Vauxhall, London, SE1 7TL, Greater London, England, United Kingdom
Lewisham Clinic – RLEWI (U, DNA, H, BL)
1st Floor, Romer House, 132 Lewisham High Street, London SE13 6EE
Bromley Clinic – RBROM (DNA, U, H, RISQS, OF, BL)
1, Floor G The Mall, Elmfield Park, Bromley, BR1 1LU, Greater London, England, United Kingdom
Grays Mobile Collection – MGRRM16 (DNA, U, H, RISQS, OF, BL)
Grays, Thurrock, Essex, England, RM17 6NP, United Kingdom
Marylebone Clinic – RMARY (DNA, U, H, RISQS, OF)
83 Baker Street, Marylebone, London W1U 6AG
Epsom Mobile Collection – MMWKT17 (U, RISQS, OF, H, DNA, BL)
Epsom, KT17, Surrey, England, United Kingdom
Northolt Mobile Collection – MNTUB5 (DNA, U, H, RISQS, OF, P)
Northolt, Greater London, England, UB5 5HR, United Kingdom
Brixton Mobile Collection – MNMSE5 (U, DNA, H, BL)
Brixton, London Borough of Lambeth, London, Greater London, England, SW9 8BH, United Kingdom
Dartford Clinic – RDART (DNA, U, H, RISQS, OF, BL)
Floor G, Basepoint Business Centre, Victoria Road, Dartford, DA1 5FS, Kent, England, United Kingdom

Unmatched Sample Collection Services in London

Since 2005, our network of clinics and mobile sample collection services has expanded significantly. We now operate 25 locations across Greater London, making it easier than ever to access a convenient appointment near you.

Our extensive coverage means we offer unrivalled flexibility, with short-notice bookings often available to meet your needs. Whether you require a clinic appointment or an on-site service, we are committed to providing a seamless and convenient experience.

How to use the search location tool

To find the nearest sample collection service in London:

  1. Enter Your Location: Type the name of your location followed by “, UK” or enter your full postcode.
  2. Set Your Search Radius: Specify the distance within which you want to search.
  3. Limit Results: Use the drop-down menu to limit the number of results displayed.
  4. Choose Your Service Type: Select the type of sample collection service you need using the options provided.

For example, if you need a drug test for Network Rail, check the ‘RISQS Collector’ box. For a blood alcohol test, check the ‘Blood Collector’ box.

Sample Collection Key:

  • DNA: Paternity, maternity, sibling, grandparent, aunt, uncle, and twin DNA testing
  • U: Urine drug and alcohol testing
  • H: Hair drug and hair alcohol testing
  • OF: Oral fluid (saliva) drug testing
  • RISQS: Network Rail drug and alcohol testing
  • BL: Blood alcohol testing
  • P: PEth alcohol testing
  • MED: Occupational medical assessments
  • ONLINE - Online appointment bookings available

If you have any questions or need assistance, please call 0800 988 7107 and our friendly team will be happy to help.