SG3 postcode area · East Hertfordshire
The SG3 postcode district spans 4 neighbourhoods (MSOAs) in East Hertfordshire, North Hertfordshire, Welwyn Hatfield. Area Scores range from 62 to 98 across them. Every full SG3 postcode falls within one of the neighbourhoods below.
In summary
Within the SG3 district, Woolmer Green, Oaklands & Digswell is the strongest performer at 98 out of 100 (#108 of 6,856 nationally); Datchworth, Walkern & Cottered is the weakest at 63. 3 of the 4 rank in the least-deprived third of England; none falls in the most-deprived third. Median prices range from £497,500 in Knebworth, Codicote & Kimpton to £670,000 in Woolmer Green, Oaklands & Digswell. Note that the district straddles 3 local authorities — East Hertfordshire, North Hertfordshire 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 SG3 district
| Neighbourhood | Nat. rank | Area score | Median price |
|---|---|---|---|
| Woolmer Green, Oaklands & DigswellWelwyn Hatfield | 108 | 98 | £670,000 |
| Knebworth, Codicote & KimptonNorth Hertfordshire | 841 | 88 | £497,500 |
| Watton-at-Stone, Bramfield & BayfordEast Hertfordshire | 1,863 | 73 | £555,000 |
| Datchworth, Walkern & CotteredEast Hertfordshire | 2,562 | 63 | £589,000 |
People living in SG3 Census 2021
Age
Tenure
Households
Work (top occupations)
Professional 24% · Managers & directors 23% · Associate professional 14%
All occupation groups
| Professional | 24% |
| Managers & directors | 23% |
| Associate professional | 14% |
| Administrative | 10% |
| Skilled trades | 9% |
| Caring & leisure | 6% |
| Elementary | 5% |
| Sales & customer service | 5% |
| Process & plant | 4% |
Ethnic group
Religion & identity
Christian 52% · No religion 39% · Muslim 1%
Born outside the UK: 8%
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.
Nearby areas
Postcode districts around SG3.
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.