SG4 postcode area · North Hertfordshire
The SG4 postcode district spans 11 neighbourhoods (MSOAs) in North Hertfordshire, Stevenage, Welwyn Hatfield. Area Scores range from 40 to 97 across them. Every full SG4 postcode falls within one of the neighbourhoods below.
In summary
The SG4 district contains both ends of the scale: Hitchin Highbury at 98 out of 100 (#156 of 6,856 in England) against Roebuck at 41, a 57-point gap between neighbouring areas. 10 of the 11 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 £335,000 in Roebuck to £625,000 in Ickleford, Great Offley & Whitwell — a 1.9× gap within the SG4 district. Note that the district straddles 3 local authorities — North Hertfordshire, Stevenage and Welwyn Hatfield — so its neighbourhoods answer to different councils.
Living here
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 SG4 district
| Neighbourhood | Nat. rank | Area score | Median price |
|---|---|---|---|
| Hitchin HighburyNorth Hertfordshire | 156 | 98 | £472,500 |
| Knebworth, Codicote & KimptonNorth Hertfordshire | 841 | 88 | £497,500 |
| Hitchin BeartonNorth Hertfordshire | 917 | 87 | £470,000 |
| Great Ashby & WymondleyNorth Hertfordshire | 958 | 86 | £372,000 |
| Hitchin WalsworthNorth Hertfordshire | 1,150 | 83 | £450,000 |
| Welwyn & Hatfield Garden VillageWelwyn Hatfield | 1,390 | 80 | £508,500 |
| Hitchin Town & WestNorth Hertfordshire | 1,444 | 79 | £430,000 |
| Letchworth South WestNorth Hertfordshire | 1,513 | 78 | £530,000 |
| Ickleford, Great Offley & WhitwellNorth Hertfordshire | 1,986 | 71 | £625,000 |
| Ashwell, Weston & BarleyNorth Hertfordshire | 2,171 | 68 | £525,000 |
| RoebuckStevenage | 4,070 | 41 | £335,000 |
People living in SG4 Census 2021
Age
Tenure
Households
Work (top occupations)
Professional 26% · Managers & directors 18% · Associate professional 15%
All occupation groups
| Professional | 26% |
| Managers & directors | 18% |
| Associate professional | 15% |
| Administrative | 9% |
| Skilled trades | 9% |
| Caring & leisure | 7% |
| Elementary | 7% |
| Sales & customer service | 6% |
| Process & plant | 4% |
Ethnic group
Religion & identity
Christian 45% · No religion 43% · Muslim 2%
Born outside the UK: 12%
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 SG4
Places whose neighbourhoods overlap the SG4 district.
Nearby areas
Postcode districts around SG4.
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.