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
- 68 Wadnall Way, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DX£170,000 · 2009£353,000
- 68A, Pondcroft Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DE£351,000 · 2017£461,000
- 69 Brookbridge Lane, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6SZ£260,000 · 2001£715,000
- 69 Carvers Croft, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6LX£368,000 · 2024£387,000
- 69 Cherry Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DS£245,000 · 2023£256,000
- 69 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL£132,950 · 2014£186,000
- 69 Nutcroft, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6TQ£325,000 · 2015£506,000
- 69 Pondcroft Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DE£175,000 · 2002£520,000
- 69 Wadnall Way, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DT£193,200 · 2008£358,000
- 6A, Swangleys Lane, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AA£193,000 · 1997£958,000
- 7 Abbots Close, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6TA£699,995 · 2021£793,000
- 7 Badger Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NA£130,000 · 1999£554,000
- 7 Baines Lane, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6RA£1,030,000 · 2017£1,265,000
- 7 Beechcroft, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6SP£170,000 · 2013£300,000
- 7 Bell Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AJ£855,000 · 2021£1,002,000
- 7 Bellamy Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6EH£287,500 · 2004£635,000
- 7 Birch Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6LW£277,500 · 2013£506,000
- 7 Bramfield Road, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6RX£385,000 · 2002£837,000
- 7 Broadfield Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6LZ£460,000 · 2019£517,000
- 7 Brookbridge Lane, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6SU£800,000 · 2026£831,000
- 7 Broom Grove, Knebworth, North Hertfordshire, Hertfordshire, SG3 6BZ£400,000 · 2020£526,000
- 7 Carvers Croft, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6LX£216,000 · 2018£257,000
- 7 Coltsfoot Lane, Bull's Green, Knebworth, East Hertfordshire, Hertfordshire, SG3 6SB£950,000 · 2007£1,431,000
- 7 Constance Place, Knebworth, North Hertfordshire, Hertfordshire, SG3 6EE£280,000 · 2025£290,000
- 7 Crabtree Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DZ£245,000 · 2010£442,000
- 7 Creamery Close, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6FB£520,000 · 2021£538,000
- 7 Dunnock Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6FR£475,000 · 2025£495,000
- 7 Evergreen Close, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JN£650,000 · 2007£1,080,000
- 7 Garden Close, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JF£420,000 · 2023£413,000
- 7 Gate House Close, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6FE£605,000 · 2020£661,000
- 7 Great Lawne, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6SX£110,000 · 1997£563,000
- 7 Gun Lane, Knebworth, North Hertfordshire, Hertfordshire, SG3 6BH£487,000 · 2022£565,000
- 7 Gun Meadow Avenue, Knebworth, North Hertfordshire, Hertfordshire, SG3 6BS£249,995 · 2004£561,000
- 7 Hay Wains, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6HW£475,000 · 2022£463,000
- 7 Haygarth, Knebworth, North Hertfordshire, Hertfordshire, SG3 6HE£72,000 · 1999£228,000
- 7 Kerr Close, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AL£245,000 · 2026£255,000
- 7 Longmead, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JH£395,000 · 2025£421,000
- 7 Lowe House, Knebworth, North Hertfordshire, Hertfordshire, SG3 6EU£185,899 · 2021£205,000
- 7 Manor Farm Stables, Old Knebworth, Knebworth, North Hertfordshire, Hertfordshire, SG3 6SL£198,000 · 1997£710,000
- 7 Mardleybury Court, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6LP£290,000 · 2021£323,000
- 7 Mardleybury Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6LU£127,500 · 1999£494,000
- 7 Meadway, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DN£430,000 · 2025£481,000
- 7 Milestone Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DA£475,000 · 2021£536,000
- 7 Milk Churn Way, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6FF£600,000 · 2021£635,000
- 7 Muirhead Way, Knebworth, North Hertfordshire, Hertfordshire, SG3 6BY£153,000 · 2006£374,000
- 7 New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6JX£145,000 · 1998£615,000
- 7 Nutcroft, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6TQ£137,000 · 2005£207,000
- 7 Oak Tree Gardens, Knebworth, North Hertfordshire, Hertfordshire, SG3 6EQ£577,000 · 2018£683,000
- 7 Oakfields Avenue, Knebworth, North Hertfordshire, Hertfordshire, SG3 6NP£490,000 · 2004£918,000
- 7 Peters Way, Knebworth, North Hertfordshire, Hertfordshire, SG3 6HP£108,000 · 2000£391,000
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 →