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AL9 postcode area · Welwyn Hatfield

The AL9 postcode district spans 6 neighbourhoods (MSOAs) in East Hertfordshire, Welwyn Hatfield. Area Scores range from 42 to 96 across them. Every full AL9 postcode falls within one of the neighbourhoods below.

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.

Living here

Typical net household income£45,903a year, weighted avg of neighbourhood estimates
Recorded crime95per 1,000 residents, 12m
Median age (est.)37
Owner-occupied56%

Income: ONS model-based estimates (FYE 2023). Crime: data.police.uk, recorded incidents. Age & tenure: Census 2021. All OGL v3.0 — methodology.

House prices in the AL9 district

£580,000median home sold over the past year · +10.5% over 5 years · +4.7% over the year · 114 sales
Detached£1,005,000
Semi-detached£580,000
Terraced£485,000
Flat£300,000
Welwyn Hatfield£430,000
East of England£348,000
England£300,000
Annual median price, all homes. Small samples can be volatile.
Area Score:more deprivedless deprivedTap a neighbourhood to open it →
NeighbourhoodNat. rankArea scoreMedian price
Brookmans ParkWelwyn Hatfield 24596 £810,000
Watton-at-Stone, Bramfield & BayfordEast Hertfordshire 1,86373 £555,000
Hatfield North & WestWelwyn Hatfield 2,33666 £390,000
Hatfield EastWelwyn Hatfield 2,92557 £450,000
Welham GreenWelwyn Hatfield 3,11055 £480,000
Hatfield TownWelwyn Hatfield 3,91243 £348,745

People living in AL9 Census 2021

Residents47,237
Median age (est.)37
Density353per km²
No qualifications15%
Degree or above37%
No car or van18%

Age

0–14 16%15–24 18%25–44 27%45–64 24%65+ 15%

Tenure

Own outright: 28%Mortgage/shared: 29%Social rent: 22%Private rent: 21%
Own outright 28%Mortgage/shared 29%Social rent 22%Private rent 21%

Households

One person: 26%Couple, no children: 15%Couple with children: 27%Lone parent: 11%Other: 21%
One person 26%Couple, no children 15%Couple with children 27%Lone parent 11%Other 21%

Work (top occupations)

Professional 19% · Managers & directors 15% · Elementary 12%

All occupation groups
Professional19%
Managers & directors15%
Elementary12%
Associate professional12%
Administrative9%
Caring & leisure9%
Skilled trades9%
Sales & customer service8%
Process & plant6%

Ethnic group

White: 76%Asian: 10%Black: 7%Mixed: 4%Other: 3%
White 76%Asian 10%Black 7%Mixed 4%Other 3%

Religion & identity

Christian 49% · No religion 33% · Hindu 4%

Born outside the UK: 26%

Census 2021 (ONS), Crown copyright, OGL v3.0. Shares are of each question's own respondents (e.g. education is % of residents aged 16+). Figures date from March 2021 and change slowly between censuses.

Towns & places in AL9

Places whose neighbourhoods overlap the AL9 district.

Hatfield

Nearby areas

Postcode districts around AL9.

AL10 AL7 AL8 AL4 AL6 SG13 EN6 AL1

A postcode district overlaps several neighbourhoods, so per-neighbourhood figures are shown alongside the district-wide medians — neighbouring areas can differ a lot. Neighbourhood (MSOA) boundaries contain ONS data © Crown copyright and database right 2025, Open Government Licence v3.0.