DSPL is split up into 9 areas across Hertfordshire.
DSPL7 specifically includes: St Albans, Harpenden, Redbourn, Wheathampstead, London Colney and Bricket Wood. Therefore, you are eligible to attend DSPL7 courses if you reside in this area.
See below for a complete map of all the DSPL areas. Please be aware that this map has not yet been updated and as such lists St Albans Girls School as the DSPL7 base; this has now been moved to Fleetville Junior School.