You need to book an appointment for a blood test at any of our hospital sites. This reduces waiting times and overcrowding, particularly at peak times.
Blood tests are available at Watford General, Hemel Hempstead and St Albans City hospitals.
Please note, children under 5 can only have a blood test at the Peace Children's Centre in Watford - Book a blood test at the Peace Children’s Centre.
View frequently asked questions about booking a blood test online.
For patients unable to book online, telephone booking is available on 01727 897376 (Monday to Friday, 9am-3pm).
How to find us
Watford General Hospital
The Blood Clinic is located directly across from the Ophthalmology department.
If you are arriving from the car park, continue past the main entrance, cross the road at the designated zebra crossing and you will find the entrance signposted 'Blood clinic'.
Hemel Hempstead Hospital
Please use the Hillfield Road entrance to access the Marnham Wing, and where you will find the Blood Clinic signposted.
St Albans City Hospital
The Blood Clinic is situated beyond the Pharmacy Department in the Gloucester Wing. Please enter through the main entrance, turn right, proceed past the Outpatients Department, and follow the signage directing you to the Blood Clinic.