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
- 13 Burnham Green Road, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6SE£600,000 · 2025£586,000
- 13 Deards Wood, Knebworth, North Hertfordshire, Hertfordshire, SG3 6PG£942,000 · 2022£1,039,000
- 13 Garden Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JZ£76,000 · 1999£409,000
- 13 Gun Lane, Knebworth, North Hertfordshire, Hertfordshire, SG3 6BH£295,000 · 2005£449,000
- 13 Hawkins Hall Lane, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6TF£285,000 · 2013£446,000
- 13 Hay Wains, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6HW£225,000 · 2007£365,000
- 13 London Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JE£410,000 · 2011£744,000
- 13 Longmead, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JH£310,000 · 2018£376,000
- 13 Lowe House, Knebworth, North Hertfordshire, Hertfordshire, SG3 6EU£329,995 · 2025£326,000
- 13 Milk Churn Way, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6FF£480,000 · 2022£479,000
- 13 New Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NU£650,000 · 2024£722,000
- 13 Oak Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6LS£160,000 · 2002£473,000
- 13 Oak Tree Gardens, Knebworth, North Hertfordshire, Hertfordshire, SG3 6EQ£521,000 · 2016£573,000
- 13 Oakfields Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NS£540,000 · 2005£989,000
- 13 Pondcroft Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DB£313,500 · 2013£516,000
- 13 Raffin Green Lane, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6RJ£223,000 · 2000£671,000
- 13 St Martins Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6ER£662,000 · 2010£1,020,000
- 13 Stevenage Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AN£375,000 · 2009£680,000
- 13 Swangleys Lane, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AA£135,000 · 1996£768,000
- 13 Twin Foxes, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6QT£158,995 · 1997£555,000
- 13 Wadnall Way, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DU£525,000 · 2024£571,000
- 13 Westland Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AS£395,000 · 2018£465,000
- 131 Wadnall Way, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DT£345,000 · 2023£374,000
- 133 London Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6EX£370,000 · 2022—
- 133 Wadnall Way, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DT£175,000 · 2009£349,000
- 134A, London Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6EY£220,000 · 2005£435,000
- 135 London Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6EY£436,000 · 2024—
- 135 Wadnall Way, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DT£450,000 · 2026£508,000
- 136 London Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6EY£250,000 · 2005£480,000
- 137 Wadnall Way, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DT£242,500 · 2025£282,000
- 139 Wadnall Way, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DT£137,500 · 2017£274,000
- 13A, New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX£443,000 · 2014£603,000
- 13B, New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX£475,000 · 2017£594,000
- 14 Abbots Close, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6TA£650,000 · 2026£621,000
- 14 Bellamy Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6EH£139,402 · 1996£638,000
- 14 Birch Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6LW£250,000 · 2009£489,000
- 14 Broadfield Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6LZ£436,000 · 2018£502,000
- 14 Broom Grove, Knebworth, North Hertfordshire, Hertfordshire, SG3 6BQ£460,000 · 2024£522,000
- 14 Carvers Croft, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6LX£150,000 · 2013£282,000
- 14 Constance Place, Knebworth, North Hertfordshire, Hertfordshire, SG3 6EE£325,000 · 2023£319,000
- 14 Datchworth Green, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6TL£880,000 · 2010£1,297,000
- 14 Deards End Lane, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NL£1,373,000 · 2014£1,362,000
- 14 Deards Wood, Knebworth, North Hertfordshire, Hertfordshire, SG3 6PG£565,000 · 2007£950,000
- 14 Dunnock Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6FR£550,000 · 2025£589,000
- 14 Foldingshott, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6SR£483,000 · 2025£507,000
- 14 Garden Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JZ£472,000 · 2021£504,000
- 14 Great Lawne, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6SX£363,000 · 2016£467,000
- 14 Gun Road Gardens, Knebworth, North Hertfordshire, Hertfordshire, SG3 6ED£355,000 · 2014£542,000
- 14 Hawkins Hall Lane, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6TF£300,000 · 2022£333,000
- 14 Haygarth, Knebworth, North Hertfordshire, Hertfordshire, SG3 6HE£225,000 · 2017£229,000
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 →