House prices in SG3
Median value — November 2026
£523,000
Modelled from 2,175 properties Stede tracks in SG3
Market snapshot
£523,000
Median value
£595,482
Average value
87
Sales in the last 12 months
+1%
Change over the past year
Value over time
- Modelled value
- Projected
Modelled month by month from the UK House Price Index, averaged across every property type Stede tracks here.
View as a table
| Year | Modelled value |
|---|---|
| 2000 | £141,738 |
| 2001 | £162,619 |
| 2002 | £197,130 |
| 2003 | £226,268 |
| 2004 | £251,189 |
| 2005 | £254,577 |
| 2006 | £279,841 |
| 2007 | £297,288 |
| 2008 | £268,978 |
| 2009 | £267,145 |
| 2010 | £288,136 |
| 2011 | £284,304 |
| 2012 | £290,226 |
| 2013 | £310,039 |
| 2014 | £348,652 |
| 2015 | £396,077 |
| 2016 | £429,664 |
| 2017 | £450,905 |
| 2018 | £449,954 |
| 2019 | £437,725 |
| 2020 | £463,255 |
| 2021 | £471,821 |
| 2022 | £491,561 |
| 2023 | £493,380 |
| 2024 | £512,768 |
| 2025 | £518,322 |
| 2026 | £523,000 |
Property types
- Detached house31%£837,000
- Semi-detached house27%£551,000
- Mid-terrace house24%£390,000
- Flat / Maisonette17%£232,000
- Property0%£600,500
Recent sales
- The Conifers, Gipsy Lane, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DJ£650,000 · 2026£679,000
- 22 Stockens Dell, Knebworth, North Hertfordshire, Hertfordshire, SG3 6BG£510,000 · 2026£581,000
- 19 Longmead, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JH£394,000 · 2026£417,000
- 14 Abbots Close, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6TA£650,000 · 2026£621,000
- 87 Brookbridge Lane, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6SZ£590,000 · 2026£591,000
- 111 Wadnall Way, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DT£315,000 · 2026£339,000
- 1 Harold Villas, 8, Gun Lane, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AU£808,000 · 2026£845,000
- 84 London Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6HB£292,000 · 2026£298,000
Addresses in SG3
- 20 Broom Grove, Knebworth, North Hertfordshire, Hertfordshire, SG3 6BQ£365,000 · 2019£482,000
- 20 Burnham Green Road, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6SE£443,000 · 1998£990,000
- 20 Bury Lane, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6ST£280,000 · 2014£469,000
- 20 Carvers Croft, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6LX£235,000 · 2016£323,000
- 20 Constance Place, Knebworth, North Hertfordshire, Hertfordshire, SG3 6EE£465,000 · 2022£459,000
- 20 Deanscroft, Knebworth, North Hertfordshire, Hertfordshire, SG3 6BB£203,152 · 2018£218,000
- 20 Deards Wood, Knebworth, North Hertfordshire, Hertfordshire, SG3 6PG£620,000 · 2017£800,000
- 20 Dunnock Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6FR£530,000 · 2025£597,000
- 20 Foldingshott, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6SR£247,500 · 2001£675,000
- 20 Gun Lane, Knebworth, North Hertfordshire, Hertfordshire, SG3 6BH£190,000 · 2001£614,000
- 20 Gun Road Gardens, Knebworth, North Hertfordshire, Hertfordshire, SG3 6ED£411,000 · 2019£506,000
- 20 Haygarth, Knebworth, North Hertfordshire, Hertfordshire, SG3 6HE£230,000 · 2023£228,000
- 20 Hollybush Lane, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6RE£675,000 · 1998£2,195,000
- 20 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AB£157,500 · 2012£299,000
- 20 Longmead, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JH£400,000 · 2025£424,000
- 20 Lowe House, Knebworth, North Hertfordshire, Hertfordshire, SG3 6EU£225,973 · 2020£269,000
- 20 Mardleybury Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6LT£340,000 · 2023£351,000
- 20 Milestone Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DA£350,000 · 2005£708,000
- 20 New Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NU£308,000 · 2010£585,000
- 20 Oak Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6LS£295,000 · 2007£564,000
- 20 Oakfields Avenue, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NP£500,000 · 2011£865,000
- 20 Oakfields Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NS£757,500 · 2014£1,049,000
- 20 Orchard Way, Knebworth, North Hertfordshire, Hertfordshire, SG3 6BU£205,000 · 2010£419,000
- 20 Peters Way, Knebworth, North Hertfordshire, Hertfordshire, SG3 6HP£164,950 · 2004£357,000
- 20 Pondcroft Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DB£485,000 · 2026£514,000
- 20 Sayer Way, Knebworth, North Hertfordshire, Hertfordshire, SG3 6BN£525,000 · 2026£527,000
- 20 Station Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AP£102,500 · 1998£490,000
- 20 Stevenage Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AW£687,000 · 2005£1,226,000
- 20 Stockens Dell, Knebworth, North Hertfordshire, Hertfordshire, SG3 6BG£230,000 · 2003£548,000
- 20 Twin Foxes, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6QT£407,500 · 2021£464,000
- 20 Watton Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AH£542,500 · 2014£792,000
- 20 Wolves Mere, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JW£159,000 · 1999£623,000
- 20 Woodstock, Knebworth, North Hertfordshire, Hertfordshire, SG3 6EA£144,950 · 2002£489,000
- 201 Park Lane, Old Knebworth, Knebworth, North Hertfordshire, Hertfordshire, SG3 6PR£630,000 · 2023£670,000
- 203 Park Lane, Old Knebworth, Knebworth, North Hertfordshire, Hertfordshire, SG3 6PR£145,000 · 2001£476,000
- 205 Park Lane, Old Knebworth, Knebworth, North Hertfordshire, Hertfordshire, SG3 6PR£373,000 · 2015£480,000
- 207 Park Lane, Old Knebworth, Knebworth, North Hertfordshire, Hertfordshire, SG3 6PR£268,500 · 2009£525,000
- 20A, London Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JP£85,000 · 1997£423,000
- 21 Bridge Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JL£206,000 · 2009£443,000
- 21 Brookbridge Lane, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6SU£165,000 · 1998£704,000
- 21 Constance Place, Knebworth, North Hertfordshire, Hertfordshire, SG3 6EE£485,000 · 2024£497,000
- 21 Deards End Lane, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NL£1,000,000 · 2005£1,686,000
- 21 Deards Wood, Knebworth, North Hertfordshire, Hertfordshire, SG3 6PG£495,000 · 2020£595,000
- 21 Dunnock Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6FR£525,000 · 2025£575,000
- 21 Great Lawne, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6SX£275,000 · 2012£490,000
- 21 Gun Lane, Knebworth, North Hertfordshire, Hertfordshire, SG3 6BJ£396,000 · 2017£510,000
- 21 Gun Road Gardens, Knebworth, North Hertfordshire, Hertfordshire, SG3 6ED£480,000 · 2022£536,000
- 21 Haygarth, Knebworth, North Hertfordshire, Hertfordshire, SG3 6HE£69,000 · 2001£329,000
- 21 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL£138,000 · 2006£223,000
- 21 Lowe House, Knebworth, North Hertfordshire, Hertfordshire, SG3 6EU£299,176 · 2020£352,000
About this area
SG3 is a UK postcode district. Stede can model 2,175 properties there, from HM Land Registry Price Paid Data and the UK House Price Index.
As of November 2026, SG3 has a median estimated value of £523,000 and an average of £595,482.
Modelled values in SG3 are +1% over the past year and +11% over five years.
The market here is mostly detached houses, which make up 31% of the properties Stede tracks in SG3.
87 sales were recorded in SG3 over the past 12 months.
Common questions
What is the average house price in SG3?
As of November 2026, the average estimated value is £595,482 and the median is £523,000 across 2,175 properties Stede tracks in SG3. This is not a formal market valuation.
Are house prices in SG3 going up or down?
Modelled values in SG3 are +1% over the past year and +11% over five years, based on the UK House Price Index.
What types of property are in SG3?
31% of the properties Stede tracks in SG3 are detached houses. semi-detached houses are next most common, at 27%.
How many properties are in SG3?
Stede can model 2,175 properties in SG3, with 87 recorded sales in the past 12 months.
How does Stede calculate house prices for SG3?
These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources used for every individual property valuation on Stede. Full detail is on the methodology page.
How we calculate this
These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources behind every individual property valuation on Stede.
Read the full methodology and data sources →