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
- Gordon Court, Flat 4, St Martins Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DD£55,375 · 2000£197,000
- Gordon Court, Flat 5, St Martins Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DD£193,500 · 2025£201,000
- Gordon Court, Flat 6, St Martins Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DD£55,375 · 2000£193,000
- Gordon Court, Flat 7, St Martins Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DD£120,000 · 2001£223,000
- Gordon Court, Flat 8, St Martins Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DD£65,000 · 2000£204,000
- Govers End, Bramfield Road, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6RX£1,175,000 · 2024£1,304,000
- Green Cottages, 2, Park Lane, Old Knebworth, Knebworth, North Hertfordshire, Hertfordshire, SG3 6QA£525,000 · 2012£884,000
- Green Pastures, Gipsy Lane, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DJ£505,000 · 2020£587,000
- Gun House, 3, Gun Lane, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AU£220,000 · 2008£502,000
- Harvest End, 44, New Road, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6LB£360,000 · 2004£708,000
- Havant, Gipsy Lane, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DJ£97,151 · 2008£275,000
- Havencrest, Gipsy Lane, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DJ£520,000 · 2022£593,000
- Hawkins Hall, Watton Road, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6RU£565,000 · 2000£1,507,000
- Highfield Cottage, Slip Lane, Old Knebworth, Knebworth, North Hertfordshire, Hertfordshire, SG3 6QG£1,000,000 · 2025£1,006,000
- Holly House, 8, Swangleys Lane, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AA£1,500,000 · 2026£1,592,000
- Hollybush House, Hollybush Lane, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6RB£585,000 · 2002£1,161,000
- Hollybush House, Slip Lane, Old Knebworth, Knebworth, North Hertfordshire, Hertfordshire, SG3 6QG£485,000 · 2005£1,364,000
- Home Farm, 76, Bramfield Road, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6RZ£425,000 · 2003£839,000
- Homeview, Gipsy Lane, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DJ£340,000 · 2006£628,000
- Hoppers Barn, Watton Road, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6RS£1,400,000 · 2018£1,668,000
- Hoppers Lodge, Bramfield Road, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6RX£587,000 · 2003£1,093,000
- Inglefield, 86, Bramfield Road, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6SA£925,000 · 2006£2,105,000
- Inn Cottage, Park Lane, Old Knebworth, Knebworth, North Hertfordshire, Hertfordshire, SG3 6QB£755,000 · 2017£974,000
- Jasmine Cottage, 1, Hawkins Hall Lane, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6TF£515,000 · 2018£633,000
- Jersey Court, Flat 1, Milk Churn Way, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6FJ£295,000 · 2021£263,000
- Jersey Court, Flat 2, Milk Churn Way, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6FJ£294,000 · 2021£262,000
- Jersey Court, Flat 3, Milk Churn Way, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6FJ£290,000 · 2021£263,000
- Jersey Court, Flat 4, Milk Churn Way, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6FJ£300,000 · 2021£270,000
- Jersey Court, Flat 5, Milk Churn Way, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6FJ£290,000 · 2021£263,000
- Jersey Court, Flat 6, Milk Churn Way, Woolmer Green, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6FJ£290,000 · 2021£263,000
- Jubilee Lodge East, Park Lane, Old Knebworth, Knebworth, North Hertfordshire, Hertfordshire, SG3 6QD£244,999 · 1998£717,000
- Jubilee Lodge West, Park Lane, Old Knebworth, Knebworth, North Hertfordshire, Hertfordshire, SG3 6QD£555,000 · 2006£995,000
- Keepers Cottage, Bragbury Lane, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6QZ£249,000 · 1999£796,000
- Kimaroo, Gun Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6BP£350,000 · 2010£658,000
- Knebworth Lodge, Park Lane, Old Knebworth, Knebworth, North Hertfordshire, Hertfordshire, SG3 6PP£1,880,000 · 2018—
- Larch Howe, Park Lane, Old Knebworth, Knebworth, North Hertfordshire, Hertfordshire, SG3 6PS£1,620,500 · 2025£1,705,000
- Linden, Gipsy Lane, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DJ£615,000 · 2023£670,000
- Little Gardens, 2A, Crab Tree Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DZ£470,000 · 2024£529,000
- Little Gardens, 2A, Crabtree Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DZ£419,000 · 2017—
- Little Hyde, Park Lane, Old Knebworth, Knebworth, North Hertfordshire, Hertfordshire, SG3 6PR£467,500 · 2025£525,000
- Longdene, Old Lane, Knebworth, North Hertfordshire, Hertfordshire, SG3 6AF£2,000,000 · 2019£2,357,000
- Lowe House, London Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6EU£576,420 · 2020—
- Lynwood, Gun Road, Knebworth, North Hertfordshire, Hertfordshire, SG3 6BP£275,000 · 2001£886,000
- Manor House, Park Lane, Old Knebworth, Knebworth, North Hertfordshire, Hertfordshire, SG3 6QD£3,600,000 · 2017£4,751,000
- Manor Stables, Park Lane, Old Knebworth, Knebworth, North Hertfordshire, Hertfordshire, SG3 6QD£425,000 · 2001£999,000
- Mansell Cottage, Gipsy Lane, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DJ£495,000 · 2015£609,000
- Mardleybury Manor, Mardleybury Road, Datchworth, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6SG£2,600,000 · 2007£3,716,000
- Meadow View, Gipsy Lane, Knebworth, North Hertfordshire, Hertfordshire, SG3 6DJ£710,000 · 2026£743,000
- Monread Lodge Nursing Home, London Road, Knebworth, Welwyn Hatfield, Hertfordshire, SG3 6HG£6,250,000 · 2014—
- Monttaber, Bragbury Lane, Datchworth, Knebworth, East Hertfordshire, Hertfordshire, SG3 6QZ£1,425,000 · 2024£1,606,000
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 →