SG3 is a postcode district in East Hertfordshire, East of England, covering 198 active and 118 retired postcodes.
The largest share of SG3 (27%) is characterised by a suburban area with older residents still working, typically homeowners, alongside a rural commuter area popular with professional households (21%). A further 13% of the district is made up of a mature neighbourhood of self-reliant retirees, typically owner-occupied. This mix of 7 distinct neighbourhood types makes SG3 one of the more varied districts in the region.
Property: Average house prices in SG3 are around £698k, up 45.6% year-on-year. Safety: Crime runs above average across SG3 at 175 per 1,000 residents — driven partly by commercial activity and transport hubs. Individual street-level data is available by selecting a specific postcode below. An average age of 45 points to a settled, predominantly family community — stable, long-term residents alongside newer arrivals.
Select any postcode below to explore street-level crime, nearby schools, sold house prices, and census data — or view the full SG3 demographics profile for district-wide census breakdowns.
SG3 House Prices, Crime & Local Stats
Comprehensive demographic deep-dive and infrastructure audit for the SG3 postcode area.
7,127
45
£ 58,300 /yr
50%
Neighbourhood Index
infoHow calculated?Score 1–10 — how this postcode ranks nationally (10 = top 10%)
Area Character
A sought-after, premium postcode. SG3's low deprivation rank, 67% ownership, and £698k median price place it in the top quintile nationally for residential quality. Crime rates in this specific area are higher than average. Property prices average £698k. Property prices are trending up 45.6% year-on-year.
mapGeographic Location
Demographic Deep-Dive
Census-aligned analysis of population structure and socioeconomic drivers.
Ethnicity Profile
Economic Activity
gavel Crime Overview 12 Months (up to 2026-01)
Recent reported incidents and common crime categories.
school Local Schools
Knebworth Primary and Nursery School
All Saints Church of England Voluntary Aided Primary School, Datchworth
St Michael's Woolmer Green CofE VA Primary School
storefront Nearby Amenities
Hotel, B&B, Guest House
2 nearby- Coltsfoot Country Retreat
- Farmhouse Bed & Breakfast
Pub, NightClub
10 nearby- Datchworth Sports Club
- The Horns
- The Plough
- The Tilbury
- Knebworth Golf Club
- + 5 more
Takeaway Shop
4 nearby- Knebworth Fish and Chips
- Ming Che Chinese Takeaway
- Raja Takeaway
- Mr Low Chinese Takeaway
Retailers - Other
10 nearby- Datchworth Stores
- Elysian Beauty & Aesthetics Clinic
- Knebworth Food Bank
- Knebworth Ltd
- Lloyds Chemist
- + 5 more
Restaurant, Cafe
7 nearby- Knebworth Care Home
- We R Cakes
- Datchworth Coffee
- Caffe Vero
- Coasters
- + 2 more
Supermarkets
2 nearby- Tesco
- Co-op
Generated by PostcodeInfo.uk
Area Profile: SG3 · Data under Open Government Licence