Postcode district · Hertfordshire
SG3 property prices
The average sold price in SG3 is £504,603, based on the latest HM Land Registry data to December 2025.
Average sold price
£504,603
To December 2025
12-month change
+3.3%
Year on year
18-month change
-15.5%
Since 18 months ago
Sales (2 yrs)
258
Completed transactions
Average price trend
How the average sold price in SG3 has moved over time.
Average price by property type
Detached
£790,542
Semi-detached
£525,576
Terraced
£402,579
Flat / maisonette
£281,206
Recent sales in SG3
| Address | Type | Date | Price |
|---|---|---|---|
| 17 Sayer WayKnebworth | Semi-detached | 18 Dec 2025 | £500,000 |
| 4 Mardleybury CourtKnebworth | Terraced | 18 Dec 2025 | £300,000 |
| 46 DeanscroftKnebworth | Terraced | 17 Dec 2025 | £197,000 |
| 9 Lowe HouseKnebworth | Flat | 17 Dec 2025 | £333,000 |
| 7 Constance PlaceKnebworth | Flat | 17 Dec 2025 | £280,000 |
| 30 Pondcroft RoadKnebworth | Semi-detached | 11 Dec 2025 | £610,000 |
| 5 Broom GroveKnebworth | Semi-detached | 28 Nov 2025 | £449,950 |
| 6 Deepings CloseKnebworth | Detached | 28 Nov 2025 | £520,000 |
| Florence Court Park LaneKnebworth | Flat | 21 Nov 2025 | £285,000 |
| 184 Park LaneKnebworth | Semi-detached | 14 Nov 2025 | £870,000 |
| 18 New CloseKnebworth | Semi-detached | 11 Nov 2025 | £500,000 |
| 9 Burnham Green RoadKnebworth | Detached | 7 Nov 2025 | £1,250,000 |
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Contains HM Land Registry data © Crown copyright and database right 2026. Licensed under the Open Government Licence v3.0. Averages are of completed sales and are indicative only, not a property valuation.