- EICR Wakefield
- EICR Wallingford
- EICR Wantage
- EICR Warwickshire
- EICR Wellesbourne
- EICR Wellingborough
- EICR Wendover
- EICR West Auckland
- EICR Wetherby
- EICR Wheatley
- EICR Whitby
- EICR Willingham
- EICR Willington (Durham)
- EICR Wilton
- EICR Winchcombe
- EICR Wingate
- EICR Winslow
- EICR Withernsea
- EICR Witney
- EICR Wombwell
- EICR Wooburn Green
- EICR Woodnewton
- EICR Woodstock
- EICR Worcester
- EICR Worcestershire
- EICR Worksop
- EICR Worthing
- EICR Wotton-under-Edge
Certified by the following organisations
