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Contact information for Patient Reception, the main London (Halo) and Manchester laboratories and media enquiries. 

The Doctors Laboratory

The Halo Building, 1 Mabledon Place
London, WC1H 9AX, UK

Tel: +44 (0)20 7307 7373 – 24 hour Telephone (Main Switchboard/All Services)
Fax: +44 (0)20 7307 7374

Click here for directions

Download location map

Out of hours samples can be dropped at: Patient Reception 76 Wimpole Street London W1G 9RT

Or at any time at the main laboratory: The Halo Building 1 Mabledon Place London WC1H 9AX

Samples are taken at Patient Reception only. Samples cannot be taken at The Halo Building.

Patient Reception

76 Wimpole Street, London, W1G 9RT, UK

Tel: +44 (0)20 7307 7383
Fax: +44 (0)20 7307 7371

Opening hours
Monday to Friday: 7.00am – 7.00pm
Saturday: 7.00am – 1.00pm

Click here for directions

Download location map

Parking information
Metered parking is available in the local area, parking restrictions apply between 8.30am – 6.30pm Monday to Saturday. For more information on the congestion charge, please visit:

TDL Manchester

Regents Place, 4 Windsor Street
Salford, M5 4HB, UK

Tel: +44 (0)161 332 7181 

24-hour service – samples can be dropped at the laboratory out of hours.

Click here for directions

TDL Manchester Couriers
Direct Tel: 0161 332 7187


TDL Manchester Supplies

Media enquiries

Tel: 07725 555030