Contact us

Welcome to Which?. We put our members at the heart of everything we do.

If you want to get answers and information about any of our products and services, or to discuss your subscription, get in touch with our top-rated Member Service Centre. 

We also welcome feedback, so if we've helped you resolve a problem or you aren't happy with the service you've received, let us know so we can put things right. 

How and where to find us

Our head office is in central London, our customer service centre is based in Hertford. Our head office is currently closed for refurbishment, but you can still write to us at this address. 

Head office

Which?
2 Marylebone Road
London
NW1 4DF

Download a map
London map (PDF: 41Kb)
A location map of our London branch

London Map (PDF)

Customer service centre

Which?
Castlemead
Gascoyne Way
Hertford
SG14 1LH

Download a map
Hertford map (PDF: 31Kb)
A location map of our Hertford branch

Hertford Map (PDF)

Scotland office

Which?
Strathmore Business Centre
10 York Place
Edinburgh
EH1 3EP