House Prices in SG3
Knebworth, North Hertfordshire, Hertfordshire
£497,036
Average Price
£409,950
Median Price
1,473
Properties Sold
↑ 3.6%
2025 vs 2024
The average property price in SG3 is £497,036, based on 1,473 sales since 2015. The median price is £409,950, suggesting a fairly even distribution of prices in the area. The most common property type sold is terraced properties, making up 28% of all transactions.
Price Trends
2026 data is partial 15
17
19
21
23
25
| Year | Average | Median | Sales | Change |
|---|---|---|---|---|
| 2026 (partial) | £521,750 | £521,750 | 2 | ↑ 2.2% |
| 2025 | £510,729 | £465,000 | 120 | ↑ 3.6% |
| 2024 | £492,816 | £448,500 | 129 | ↓ 0.3% |
| 2023 | £494,308 | £415,000 | 83 | ↑ 8.9% |
| 2022 | £454,082 | £413,500 | 124 | ↓ 12.8% |
| 2021 | £520,951 | £465,000 | 193 | ↑ 14.6% |
| 2020 | £454,695 | £370,250 | 177 | ↓ 15.1% |
| 2019 | £535,271 | £410,500 | 128 | ↑ 14.9% |
| 2018 | £465,682 | £408,000 | 111 | ↓ 33.7% |
| 2017 | £702,744 | £387,450 | 129 | ↑ 60.8% |
| 2016 | £437,025 | £380,000 | 150 | ↑ 7.9% |
| 2015 | £405,183 | £325,000 | 127 | — |
Property Types Sold
Terraced 1,298 (28%)
Semi-Detached 1,150 (25%)
Detached 1,145 (25%)
Flat 979 (21%)
Other 52 (1%)
Price Range
Lowest
£525
Highest
£15,250,000
Lower Quartile
£290,000
Upper Quartile
£570,000
Recent Sales
10, WOODSTOCK
Terraced Freehold 2026-01-28 SG3 6EA
£343,500
12, OAK TREE GARDENS
Detached Freehold 2026-01-12 SG3 6EQ
£700,000
4, MARDLEYBURY COURT, WOOLMER GREEN
Terraced Freehold 2025-12-18 SG3 6LP
£300,000
17, SAYER WAY
Semi-Detached Freehold 2025-12-18 SG3 6BN
£500,000
46, DEANSCROFT
Terraced Leasehold 2025-12-17 SG3 6BB
£197,000
7, CONSTANCE PLACE
Flat Leasehold 2025-12-17 SG3 6EE
£280,000
9, LOWE HOUSE
Flat Leasehold 2025-12-17 SG3 6EU
£333,000
84, ORCHARD WAY
Semi-Detached Freehold 2025-12-15 SG3 6BU
£435,000
30, PONDCROFT ROAD
Semi-Detached Freehold 2025-12-11 SG3 6DB
£610,000
5, BROOM GROVE
Semi-Detached Freehold 2025-11-28 SG3 6BZ
£449,950
Tap any property to view full details, sale history, and EPC energy rating.
Search Properties in SG3
142 postcodes with 4,624 total sales. Search by postcode or street name to find individual sold prices (2020 onwards).
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Source: HM Land Registry Price Paid Data · Crown copyright 2026 · Open Government Licence v3.0