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Registered Address: 2 Leman St, London E1 8FA
SG3 6ERHouse Prices / East of England, North Hertfordshire, St. Martins Road
Last updated May 2026
Key Postcode Insights
SG3 6ER is a residential postcode situated on St. Martins Road, Knebworth, SG3 with 20 addresses.
It ranks as the 133rd largest and 171st most expensive of the 199 postcodes in the SG3 area. The dominant property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 20 properties: 20 houses.
20
Properties
- Houses
Key Postcode Insights
SG3 6ER is a residential postcode situated on St. Martins Road, Knebworth, SG3 with 20 addresses.
It ranks as the 133rd largest and 171st most expensive of the 199 postcodes in the SG3 area. The dominant property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 20 properties: 20 houses.
20
Properties
- Houses
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House Pricesin SG3 6ER
Sale prices range from £698,817 for 3 bedroom freehold houses with a garden (1,097 ft2) to £1,268,637 for 5 bedroom freehold houses with a garden (3,121 ft2) .
Monthly rental prices range from £2,289 pcm for 3 bed houses to £3,684 pcm for 5 bed houses.
The gross rental yield is between 3.4% and 3.9%.
The average value per square foot is £501.
Average Sale Value
£932,710
Average Rental Value
£2,744 pcm
Average Rental Yield
3.5% /year
Average Value Per Sqft
£501 /ft2
Sales Market Trendsin SG3 6ER
The last sale in SG3 6ER sold for £800,000 on 25th March 2024. Since then prices are up an average of 1.4%.
The current average value in the postcode is £932,710.
The SG3 6ER Sales Market has increased by 21.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | -2.3% | £932,710 |
| April 2025 | 3.9% | £954,789 |
| April 2024 | -4.4% | £918,975 |
| April 2023 | 2.2% | £961,312 |
| April 2022 | 4.9% | £940,623 |
| April 2021 | 11.9% | £896,522 |
| April 2020 | -2.9% | £801,187 |
| April 2019 | 0.6% | £825,536 |
| April 2018 | -0.4% | £820,898 |
| April 2017 | 7% | £823,914 |
| April 2016 | 14% | £770,292 |
| April 2015 | 11.9% | £675,755 |
| April 2014 | 7.3% | £604,155 |
| April 2013 | 5.5% | £562,831 |
| April 2012 | 3.3% | £533,358 |
| April 2011 | 2% | £516,334 |
| April 2010 | 4.7% | £506,300 |
| April 2009 | -7.6% | £483,601 |
| April 2008 | 2% | £523,186 |
| April 2007 | 0% | £513,139 |
Rental Market Trendsin SG3 6ER
The current average rental value in the postcode is £2,744.
The SG3 6ER Rental Market has increased by 52.5% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | 2.8% | £2,744pcm |
| April 2025 | 5% | £2,670pcm |
| April 2024 | 7.7% | £2,542pcm |
| April 2023 | 9.4% | £2,360pcm |
| April 2022 | 8.9% | £2,158pcm |
| April 2021 | 6.1% | £1,982pcm |
| April 2020 | 0.8% | £1,868pcm |
| April 2019 | 2.4% | £1,854pcm |
| April 2018 | 1.1% | £1,810pcm |
| April 2017 | -0.4% | £1,791pcm |
| April 2016 | 4.8% | £1,799pcm |
| April 2015 | 4.5% | £1,716pcm |
| April 2014 | 4.8% | £1,643pcm |
| April 2013 | 5% | £1,567pcm |
| April 2012 | 5.3% | £1,493pcm |
| April 2011 | 1.9% | £1,417pcm |
| April 2010 | 6.9% | £1,391pcm |
| April 2009 | -6.7% | £1,302pcm |
| April 2008 | 5.9% | £1,395pcm |
| April 2007 | 0% | £1,318pcm |
Explore Propertiesin SG3 6ER, St. Martins Road, Knebworth, SG3
- 2, St. Martins Road, Knebworth, SG3 6ER4 bed early-century house
- 4, St. Martins Road, Knebworth, SG3 6ER4 bed early-century house
- 6, St. Martins Road, Knebworth, SG3 6ER5 bed early-century house
- 8, St. Martins Road, Knebworth, SG3 6ER
- 9, St. Martins Road, Knebworth, SG3 6ER4 bed mid-century house
- 10, St. Martins Road, Knebworth, SG3 6ER5 bed mid-century house
- 11, St. Martins Road, Knebworth, SG3 6ER5 bed house
- 12, St. Martins Road, Knebworth, SG3 6ER
- 13, St. Martins Road, Knebworth, SG3 6ER5 bed house
- 14, St. Martins Road, Knebworth, SG3 6ER4 bed early-century house
- 15, St. Martins Road, Knebworth, SG3 6ER
- 16, St. Martins Road, Knebworth, SG3 6ER3 bed mid-century house
- 17, St. Martins Road, Knebworth, SG3 6ER4 bed early-century house
- 18, St. Martins Road, Knebworth, SG3 6ER4 bed mid-century house
- 19, St. Martins Road, Knebworth, SG3 6ER4 bed mid-century house
- 21, St. Martins Road, Knebworth, SG3 6ER
- 23, St. Martins Road, Knebworth, SG3 6ER
- 25, St. Martins Road, Knebworth, SG3 6ER5 bed mid-century house
- 27, St. Martins Road, Knebworth, SG3 6ER4 bed house
- 29, St. Martins Road, Knebworth, SG3 6ER
Sales Historyin SG3 6ER
The last sale was on 25th March 2024 for £800,000 and since then the market in the area has increased by 1.4%. The postcode has had a total of 16 sales since 1995.
SG3 6ER has seen 2 sales in the last three years and no sales in the last twelve months.
Sold Mar 2024£800,000 | 4 Bed HouseSt. Martins Road19, St. Martins Road, Knebworth, SG3 6ER
Sold Mar 2023£910,000 | 4 Bed HouseSt. Martins Road17, St. Martins Road, Knebworth, SG3 6ER
Sold Dec 2020£775,000 | 4 Bed HouseSt. Martins Road9, St. Martins Road, Knebworth, SG3 6ER
Sold Oct 2017£725,000 | 4 Bed HouseSt. Martins Road2, St. Martins Road, Knebworth, SG3 6ER
Sold Sep 2015£642,500 | 4 Bed HouseSt. Martins Road4, St. Martins Road, Knebworth, SG3 6ER
Sold Oct 2014£950,000 | 5 Bed HouseSt. Martins Road25, St. Martins Road, Knebworth, SG3 6ER
Sold Feb 2012£555,000 | 4 Bed HouseSt. Martins Road27, St. Martins Road, Knebworth, SG3 6ER
Sold Oct 2010£662,000 | 5 Bed HouseSt. Martins Road13, St. Martins Road, Knebworth, SG3 6ER
Sold Aug 2009£605,000 | 5 Bed HouseSt. Martins Road11, St. Martins Road, Knebworth, SG3 6ER
Sold Feb 2008£600,000 | 5 Bed HouseSt. Martins Road11, St. Martins Road, Knebworth, SG3 6ER
Sold Aug 2007£666,000 | 5 Bed HouseSt. Martins Road25, St. Martins Road, Knebworth, SG3 6ER
Sold Jan 2006£557,000 | 5 Bed HouseSt. Martins Road6, St. Martins Road, Knebworth, SG3 6ER
Sold Jun 2005£575,000 | 5 Bed HouseSt. Martins Road23, St. Martins Road, Knebworth, SG3 6ER
Sold Jun 1997£199,695 | 4 Bed HouseSt. Martins Road14, St. Martins Road, Knebworth, SG3 6ER
Sold Oct 1996£131,000 | 4 Bed HouseSt. Martins Road2, St. Martins Road, Knebworth, SG3 6ER
Sold May 1995£192,500 | 4 Bed HouseSt. Martins Road12, St. Martins Road, Knebworth, SG3 6ER
Nearby Postcodesto SG3 6ER
SG3 6ER is the 133rd largest and the 171st most expensive postcode out of the 199 postcodes in the SG3 area.
- 115 mSG3 6AE, Old Lane, Knebworth, SG3SG3 6AE1 Addresses
- 119 mSG3 6AD, Old Lane, Knebworth, SG3SG3 6AD5 Addresses
- 123 mSG3 6DD, St. Martins Road, Knebworth, SG3SG3 6DD10 Addresses
- 158 mSG3 6AA, Swangleys Lane, Knebworth, SG3SG3 6AA18 Addresses
- 173 mSG3 6EL, St. Martins Road, Knebworth, SG3SG3 6EL23 Addresses
- 190 mSG3 6AH, Watton Road, Knebworth, SG3SG3 6AH41 Addresses
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Property Typesin SG3 6ER
- 6 mid-century houses built between 1936 and 1979
- 3 houses of an unknown age
- 5 early-century houses built between 1912 and 1935
- 6 other addresses of unknown type
- mid-century house (6)
- house (3)
- early-century house (5)
- Unknown (6)
Energy Efficiencyof properties in SG3 6ER
- Energy Performance Certificate (EPC) surveys conducted for 11 properties.
- The dominant rating is C.
- A (0)
- E (1)
- B (0)
- F (0)
- C (5)
- G (0)
- D (5)
- No EPC (9)
Top 3 Most Expensive Saleson St. Martins Road
Schools Nearbyto SG3 6ER
The nearest primary school to SG3 6ER is Knebworth Primary and Nursery School which is 195 metres away.
- 195mKnebworth Primary and Nursery School
- 1.5kmAll Saints Church of England Voluntary Aided Primary School, Datchworth
- 1.7kmSt Michael's Woolmer Green CofE VA Primary School
The nearest secondary school is Barnwell School which is 2.7 kilometres away.
- 2.7kmBarnwell School
- 4.2kmMarriotts School
- 5.1kmThe Nobel School
More reading links
Public Transport Nearbyto SG3 6ER
The closest station to SG3 6ER is Knebworth station which is 500 metres away.
- 478mKnebworth
- 4.3kmWatton-at-Stone
- 4.4kmStevenage
- 4.8kmWelwyn North
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