Postcode district
SG4: house prices and neighbourhoods
The SG4 postcode district (North Hertfordshire, Stevenage, Welwyn Hatfield): 906 live postcodes across 11 neighbourhoods, with official figures as of 3 October 2026.
Typical house price
£512,000
Median of 61 resales of existing houses in SG4, Aug 2025 to Aug 2026.
Source: HM Land Registry Price Paid Data
Typical flat price
£220,000
Median of 23 resales of existing flats in SG4, Aug 2025 to Aug 2026.
Source: HM Land Registry Price Paid Data
Neighbourhoods in SG4
| Neighbourhood | Council | Typical house | Typical flat | Affluence today | Signs of gentrification |
|---|---|---|---|---|---|
| Ashwell, Weston & Barley | North Hertfordshire | £615,000 | – | Among the most affluent | Clear signs |
| Great Ashby & Wymondley | North Hertfordshire | £385,000 | £210,000 | Affluent | Few signs |
| Hitchin Bearton | North Hertfordshire | £530,000 | £235,000 | Among the most affluent | Some signs |
| Hitchin Highbury | North Hertfordshire | £572,500 | £250,000 | Among the most affluent | Clear signs |
| Hitchin Town & West | North Hertfordshire | £552,500 | £270,000 | Affluent | Clear signs |
| Hitchin Walsworth | North Hertfordshire | £457,500 | £230,500 | Affluent | Moving the other way |
| Ickleford, Great Offley & Whitwell | North Hertfordshire | £582,500 | – | Among the most affluent | Moving the other way |
| Knebworth, Codicote & Kimpton | North Hertfordshire | £535,000 | £276,250 | Affluent | Moving the other way |
| Letchworth South West | North Hertfordshire | £625,000 | £252,500 | Among the most affluent | Clear signs |
| Roebuck | Stevenage | £355,000 | £175,000 | Middle income | Some signs |
| Welwyn & Hatfield Garden Village | Welwyn Hatfield | £587,500 | £240,000 | Affluent | Some signs |
Each neighbourhood's figures are the median resale prices of houses and flats, Affluence today and the gentrification indication from its own page.
Thinking of buying in SG4?
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Prepare a full report for a home See a sample reportNeighbourhood names: House of Commons Library, MSOA Names, Open Parliament Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0. Contains National Statistics data © Crown copyright and database right 2026. Figures describe the area, not any home, and are not a valuation or a prediction.