My Membership

A young man and woman sit amongst flowering heather, with a dog on a lead sat beside them. The woman has her hands on the dog, whilst the man looks through a pair of binoculars.

Wildlife watching with a dog © Tom Marshall

My Membership

Manage Your Membership

Your support as a member of Herts and Middlesex Wildlife Trust is invaluable. It is only through the continued support of our wonderful members like you that we are able to protect the wonderful wildlife across the two counties - thank you.

On this page you can manage your membership using the dropdown section below, plus find out more about our local conservation projects and campaigns, as well as upcoming events so that you can start exploring your beautiful local wildlife. 

If you have a question that isn't answered on this page, please contact the membership team at or ring 01727 858901 (select Option 1).

Update your contact information

To update your contact details please email or speak to one of our friendly membership team on 01727 858901  (select Option 1). Please include your old contact details so that we can locate your membership record and your new ones.  

Change your bank account details

We can change your bank account details over the phone. Please ring our membership team on 01727 858901 (select Option 1) and we can arrange this for you.

Change your membership payment amount

If you would like to upgrade or change your membership amount, please let us know the new monthly/annual amount that you would like to pay by emailing or speak to one of our friendly membership team on 01727 858901 (select Option 1).

The ongoing support of our members is crucial to the Trust and helps us to protect local wildlife and wild places.

Do I need a membership card?

We no longer produce membership cards as all our sites are free to access and you will not need to prove that you are a member to visit them.  The one exception is Hillfield Park Reservoir, information is detailed below about how to access this site.

Hillfield Park Reservoir

Members wishing to request access need to contact to arrange a short-term key loan, please include your address in this email so that we can locate your membership record. Keys can only be collected and returned to the office on either a Tuesday or a Wednesday.

Gift Aid your donation

If you are a UK taxpayer, the value of your donation can be increased by 25% under the Gift Aid scheme at no extra cost to you. This means that for every £4 you donate, we can add an extra £1, and it doesn't cost you a penny!

Sign up for Gift Aid

winter walk

Zsuzsanna Bird

New members

If you have just signed up to be a new member – welcome! Discover our latest news stories and your local wildlife and wild places in our membership magazine Wildlife Matters.

News and Publications

Visit a Nature Reserve

With over 40 nature reserves across Hertfordshire and Middlesex, there's bound to be one near you! Visit one of our winter highlights or find your local reserve to visit.