AL9 postcode area
The AL9 postcode district spans 6 neighbourhoods (MSOAs) in East Hertfordshire, Welwyn Hatfield. Area Scores range from 42 to 96 across them.
In summary
The AL9 district contains both ends of the scale: Brookmans Park at 96 out of 100 (#245 of 6,856 in England) against Hatfield Town at 43, a 54-point gap between neighbouring areas. 2 of the 6 rank in the least-deprived third of England; none falls in the most-deprived third. House prices stretch as far as the scores do: medians run from £348,745 in Hatfield Town to £810,000 in Brookmans Park — a 2.3× gap within the AL9 district. Note that the district straddles 2 local authorities — East Hertfordshire and Welwyn Hatfield — so its neighbourhoods answer to different councils.
| Neighbourhood | Nat. rank | Area score | Median price |
|---|---|---|---|
| Brookmans ParkWelwyn Hatfield | 245 | 96 | £810,000 |
| Watton-at-Stone, Bramfield & BayfordEast Hertfordshire | 1,863 | 73 | £555,000 |
| Hatfield North & WestWelwyn Hatfield | 2,336 | 66 | £390,000 |
| Hatfield EastWelwyn Hatfield | 2,925 | 57 | £450,000 |
| Welham GreenWelwyn Hatfield | 3,110 | 55 | £480,000 |
| Hatfield TownWelwyn Hatfield | 3,912 | 43 | £348,745 |
Nearby areas
Postcode districts around AL9.
A postcode district overlaps several neighbourhoods, so figures are shown per neighbourhood rather than as a single postcode average — neighbouring areas can differ a lot. Neighbourhood (MSOA) boundaries contain ONS data © Crown copyright and database right 2025, Open Government Licence v3.0.