SG3 — Knebworth
Knebworth's SG3 postcode sits in North Hertfordshire. The board behind it is assembled from 4,602 sales over 32 years of actual sales in 5 areas.
Across the recorded period the typical SG3 sale went from £77,000 in 1995 to £452,000 in 2026 — 5.9× growth. If you could time-travel once, aim for just before 1998 — prices moved +33.3% that year. The one to avoid was 2011: the median moved -15.4%, the roughest year in the local record.
Median sold price in SG3
| Year | Median sold price | Sales |
|---|---|---|
| 1995 | £77,000 | 137 |
| 2000 | £121,500 | 198 |
| 2005 | £232,500 | 158 |
| 2010 | £280,000 | 99 |
| 2015 | £325,000 | 126 |
| 2020 | £367,500 | 171 |
| 2025 | £465,000 | 133 |
| 2026 | £452,000 | 15 |
The areas on the board
5 areas make up the board, weighted by sales activity:
- Knebworth (SG3 6) (63% of local sales) — busiest streets: Wadnall Way, Pondcroft Road, Kerr Close
- Woolmer Green (23% of local sales) — busiest streets: Carvers Croft, Twin Foxes, New Road
- Datchworth (10% of local sales) — busiest streets: Nutcroft, Brookbridge Lane, Datchworth Green
- Old Knebworth (3% of local sales) — busiest streets: Park Lane, The Green, Manor Farm Stables
- Bull'S Green (0% of local sales) — busiest streets: Coltsfoot Lane
Reading about 1998 is easy; surviving 2011 is the game. Play the SG3 board.
Local business? Put your name on the SG3 board — one sponsor per postcode.
Prices are medians of real Land Registry sales. Street lists show street names only — never individual addresses. New to the game? Start with how to play.