The quarterly market run by Sustainable St Albans with Harpenden Town Council, with eco and sustainable food stalls, interiors, fashion, and repair and reuse stalls. Open to all ages.
- When: Sunday 21 March 2027, 10am to 3pm
- Where: Harpenden Common, in front of Park Hall, Harpenden
- Price: Free entry
Source: sustainablestalbans.org.