Members of EHCCA are drawn from churches and their associates across the Deaneries of Bishops Stortford (including the Essex borders), Cheshunt, Hertford and Ware (predominantly in the diocese of St Albans).

Member churches include:

BENGEO (HERTFORD)Holy Trinity
BRAUGHINGSt Mary the Virgin
GREAT HALLINGBURY &
LITTLE HALLINGBURY
St Giles
St Mary the Virgin
HATFIELD BROAD OAKSt Mary the Virgin
HERTFORDMethodist Church
HERTFORDSt Andrew
HOCKERILLAll Saints
HODDESDONSt Catherine and St Paul
MUCH HADHAMSt Andrew
NEWGATE STREETSt Mary (Ponsbourne)
RYE PARKSt Cuthbert
SAWBRIDGEWORTHGreat St Mary
STANDON with
THE MUNDENS
and SACOMBE
St Mary
All Saints
St Catherine
THORLEYSt James the Great
WARESt Mary the Virgin