AL8 is the 2nd Hapiest of Welwyn Hatfield's 6 postcode districts on the HPAI Swatch, which compares them with each other on prices, how the market is moving, energy efficiency and transport.
Each tile ranks AL8 against the other postcode districts of Welwyn Hatfield.
Yellow is Hapi: the more yellow, the better AL8 compares with the rest of Welwyn Hatfield. These colours compare postcode districts within Welwyn Hatfield; Welwyn Hatfield's own Swatch compares it with areas across England and Wales.
Estate agents: the local partner spot is open in AL8. Find out more
Open-market sales from HM Land Registry Price Paid Data in the 12 months to August 2026 (homes in Welwyn Hatfield only); price per m², energy and carbon from the homes sold that have an Energy Performance Certificate. Postcode districts with fewer than 20 sales a year in Welwyn Hatfield aren't ranked.