House prices in SG3
Median value — June 2026
£532,509
Modelled from 2,199 properties Stede tracks in SG3
Market snapshot
£532,509
Median value
£646,520
Average value
84
Sales in the last 12 months
+8%
Change over the past year
Value over time
- Modelled value
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 | £144,389 |
| 2001 | £165,661 |
| 2002 | £200,818 |
| 2003 | £230,501 |
| 2004 | £255,888 |
| 2005 | £259,339 |
| 2006 | £285,076 |
| 2007 | £302,849 |
| 2008 | £274,009 |
| 2009 | £272,142 |
| 2010 | £293,526 |
| 2011 | £289,623 |
| 2012 | £295,656 |
| 2013 | £315,839 |
| 2014 | £355,174 |
| 2015 | £403,486 |
| 2016 | £437,703 |
| 2017 | £459,341 |
| 2018 | £458,372 |
| 2019 | £445,914 |
| 2020 | £471,921 |
| 2021 | £480,648 |
| 2022 | £500,757 |
| 2023 | £502,610 |
| 2024 | £522,361 |
| 2025 | £530,077 |
| 2026 | £532,509 |
Property types
- Detached house31%£855,619
- Semi-detached house27%£567,749
- Mid-terrace house23%£401,874
- Flat / Maisonette17%£237,275
- Property2%£517,267
Recent sales
- 18 Carvers Croft, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6LX£450,000 · 2026—
- 96 Wadnall Way, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DX£130,000 · 2026—
- Park Lane Court, 2, Flat 10, Park Lane, Knebworth, North Hertfordshire, Hertfordshire, SG3 6EW£285,000 · 2026—
- 79 Dunnock Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6FR£550,000 · 2026£550,000
- Wordsworth Court, 1, Flat 8, Park Lane, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DY£234,500 · 2026£235,000
- 23 Gun Road Gardens, Knebworth, North Hertfordshire, Hertfordshire, SG3 6ED£525,000 · 2026£525,000
- 29 Carvers Croft, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6LX£250,000 · 2026£250,000
- 9 Great Lawne, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6SX£520,000 · 2026£520,000
Addresses in SG3
- 1 Twin Foxes, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6QT£775,000 · 2023£827,000
- 1 Watton Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AH£1,050,000 · 2022£1,124,000
- 1 Westland Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AS£396,000 · 2024£438,000
- 1 Wheatcotes, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6TP£300,000 · 2011£582,000
- 1 Wickfield, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6HS£235,000 · 2016£317,000
- 1 Wolves Mere, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JW£445,000 · 2007£868,000
- 1 Woodstock, Knebworth, North Hertfordshire, Hertfordshire, SG3 6EA£85,500 · 2001£301,000
- 10 Abbots Close, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6TA£135,000 · 1999£661,000
- 10 Bellamy Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6EH£300,000 · 2005£660,000
- 10 Broadfield Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6LZ£330,000 · 2014£543,000
- 10 Carvers Croft, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6LX£227,500 · 2004£528,000
- 10 Constance Place, Knebworth, North Hertfordshire, Hertfordshire, SG3 6EE£315,000 · 2025£328,000
- 10 Crabtree Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DZ£375,000 · 2019£456,000
- 10 Creamery Close, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6FB£670,000 · 2024£685,000
- 10 Datchworth Green, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6TL£12,000 · 2018£14,000
- 10 Deanscroft, Knebworth, North Hertfordshire, Hertfordshire, SG3 6BB£159,950 · 2015£209,000
- 10 Deards Wood, Knebworth, North Hertfordshire, Hertfordshire, SG3 6PG£495,000 · 2005£1,086,000
- 10 Dunnock Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6FR£380,000 · 2025£386,000
- 10 Foldingshott, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6SR£480,000 · 2012£890,000
- 10 Garden Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JZ£575,000 · 2021£634,000
- 10 Gun Lane, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AU£722,000 · 2023£767,000
- 10 Gun Meadow Avenue, Knebworth, North Hertfordshire, Hertfordshire, SG3 6BS£449,950 · 2008£834,000
- 10 Haygarth, Knebworth, North Hertfordshire, Hertfordshire, SG3 6HE£240,000 · 2022£241,000
- 10 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AB£345,000 · 2024£382,000
- 10 London Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JP£855,000 · 2020£979,000
- 10 Lowe House, Knebworth, North Hertfordshire, Hertfordshire, SG3 6EU£315,000 · 2026£315,000
- 10 Mardleybury Court, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6LP£210,000 · 2016£227,000
- 10 Mardleybury Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6LT£117,000 · 2001£454,000
- 10 Meadow Close, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6TD£560,000 · 2015£862,000
- 10 Milk Churn Way, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6FF£485,000 · 2022£538,000
- 10 New Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NU£345,000 · 2012£657,000
- 10 New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX£78,000 · 1997£460,000
- 10 Oak Tree Gardens, Knebworth, North Hertfordshire, Hertfordshire, SG3 6EQ£625,000 · 2016£782,000
- 10 Oakfields Avenue, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NP£658,500 · 2020£784,000
- 10 Peters Way, Knebworth, North Hertfordshire, Hertfordshire, SG3 6HP£370,000 · 2023£392,000
- 10 Pondcroft Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DB£525,000 · 2022£563,000
- 10 Raffin Close, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6RP£245,000 · 2001£905,000
- 10 Raffin Park, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6RR£475,000 · 2018£550,000
- 10 Sayer Way, Knebworth, North Hertfordshire, Hertfordshire, SG3 6BN£310,000 · 2007£600,000
- 10 Stevenage Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AW£399,995 · 2007£774,000
- 10 Stone Croft, Knebworth, North Hertfordshire, Hertfordshire, SG3 6BL£490,000 · 2013£898,000
- 10 The Green, Old Knebworth, Knebworth, North Hertfordshire, Hertfordshire, SG3 6QN£325,000 · 2024£342,000
- 10 Twin Foxes, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6QT£121,000 · 1999£632,000
- 10 Wadnall Way, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DU£69,500 · 1997£454,000
- 10 Watton Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AH£880,000 · 2019£1,076,000
- 10 Westland Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AS£570,000 · 2024£599,000
- 10 White Cross Drive, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6FA£494,142 · 2021£587,000
- 10 Wolves Mere, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JW£615,000 · 2026£616,000
- 10 Woodstock, Knebworth, North Hertfordshire, Hertfordshire, SG3 6EA£343,500 · 2026£348,000
- 100 Carvers Croft, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6LX£203,500 · 2013£355,000
About this area
SG3 is a UK postcode district. Stede can model 2,199 properties there, from HM Land Registry Price Paid Data and the UK House Price Index.
As of June 2026, SG3 has a median estimated value of £532,509 and an average of £646,520.
Modelled values in SG3 are +8% over the past year and +14% over five years.
The market here is mostly detached houses, which make up 31% of the properties Stede tracks in SG3.
84 sales were recorded in SG3 over the past 12 months.
Common questions
What is the average house price in SG3?
As of June 2026, the average estimated value is £646,520 and the median is £532,509 across 2,199 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 +8% over the past year and +14% 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 2,199 properties in SG3, with 84 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 →