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Bricks&Logic is a trading name of Urban Markets Ltd
Company No. 11113204
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VAT No. GB 287 0845 68
Registered Address: 2 Leman St, London E1 8FA
SG3 6NBHouse Prices / East of England, Welwyn Hatfield, Mardleybury Road
Last updated May 2026
Key Postcode Insights
SG3 6NB is a residential postcode situated on Mardleybury Road, Woolmer Green, Knebworth, SG3 with 2 addresses.
It ranks as the 12th largest and 92nd most expensive of the 199 postcodes in the SG3 area.
The postcode contains a total of 2 properties: 2 houses.
2
Properties
- Houses
Key Postcode Insights
SG3 6NB is a residential postcode situated on Mardleybury Road, Woolmer Green, Knebworth, SG3 with 2 addresses.
It ranks as the 12th largest and 92nd most expensive of the 199 postcodes in the SG3 area.
The postcode contains a total of 2 properties: 2 houses.
2
Properties
- Houses
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House Pricesin SG3 6NB
Sale prices range from £476,400 for 3 bedroom freehold houses with a garden (925 ft2) to £533,903 for 3 bedroom freehold houses with a garden (1,105 ft2) .
Monthly rental prices range from £1,851 pcm for 3 bed houses to £1,993 pcm for 3 bed houses.
The gross rental yield is between 4.5% and 4.7%.
The average value per square foot is £499.
Average Sale Value
£505,151
Average Rental Value
£1,922 pcm
Average Rental Yield
4.6% /year
Average Value Per Sqft
£499 /ft2
Sales Market Trendsin SG3 6NB
The last sale in SG3 6NB sold for £312,000 on 26th November 2010. Since then prices are up an average of 86.7%.
The current average value in the postcode is £505,151.
The SG3 6NB Sales Market has increased by 21.7% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | -1.4% | £505,151 |
| April 2025 | 4% | £512,533 |
| April 2024 | -4.7% | £493,015 |
| April 2023 | 2.4% | £517,533 |
| April 2022 | 5.8% | £505,278 |
| April 2021 | 11.4% | £477,757 |
| April 2020 | -2.8% | £428,710 |
| April 2019 | -0.7% | £441,127 |
| April 2018 | -0.2% | £444,202 |
| April 2017 | 7.2% | £445,024 |
| April 2016 | 15.6% | £415,199 |
| April 2015 | 14% | £359,242 |
| April 2014 | 8.7% | £315,189 |
| April 2013 | 3.1% | £290,073 |
| April 2012 | 1.7% | £281,336 |
| April 2011 | 1.7% | £276,521 |
| April 2010 | 4.1% | £272,017 |
| April 2009 | -7.6% | £261,367 |
| April 2008 | 3.3% | £282,993 |
| April 2007 | 0% | £273,872 |
Rental Market Trendsin SG3 6NB
The current average rental value in the postcode is £1,922.
The SG3 6NB Rental Market has increased by 53.3% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | 3.6% | £1,922pcm |
| April 2025 | 5.1% | £1,854pcm |
| April 2024 | 7.2% | £1,764pcm |
| April 2023 | 9.7% | £1,645pcm |
| April 2022 | 9.4% | £1,499pcm |
| April 2021 | 6% | £1,370pcm |
| April 2020 | 0.5% | £1,292pcm |
| April 2019 | 1.4% | £1,286pcm |
| April 2018 | 1% | £1,268pcm |
| April 2017 | 0.1% | £1,255pcm |
| April 2016 | 6.5% | £1,253pcm |
| April 2015 | 7% | £1,177pcm |
| April 2014 | 5.8% | £1,100pcm |
| April 2013 | 2.3% | £1,040pcm |
| April 2012 | 3.8% | £1,016pcm |
| April 2011 | 1.3% | £979pcm |
| April 2010 | 5.8% | £966pcm |
| April 2009 | -6% | £914pcm |
| April 2008 | 6.9% | £972pcm |
| April 2007 | 0% | £910pcm |
Explore Propertiesin SG3 6NB, Mardleybury Road, Woolmer Green, Knebworth, SG3
Sales Historyin SG3 6NB
The last sale was on 26th November 2010 for £312,000 and since then the market in the area has increased by 86.7%. The postcode has had a total of 1 sales since 1995.
SG3 6NB has seen no sales in the last three years and no sales in the last twelve months.
Nearby Postcodesto SG3 6NB
SG3 6NB is the 12th largest and the 92nd most expensive postcode out of the 199 postcodes in the SG3 area.
- 47 mSG3 6LU, Mardleybury Road, Woolmer Green, Knebworth, SG3SG3 6LU2 Addresses
- 85 mSG3 6LZ, Broadfield Road, Woolmer Green, Knebworth, SG3SG3 6LZ20 Addresses
- 119 mSG3 6LS, Oak Road, Woolmer Green, Knebworth, SG3SG3 6LS20 Addresses
- 184 mSG3 6LW, Birch Road, Woolmer Green, Knebworth, SG3SG3 6LW16 Addresses
- 187 mSG3 6LT, Mardleybury Road, Woolmer Green, Knebworth, SG3SG3 6LT21 Addresses
- 249 mSG3 6SG, Mardleybury Road, Datchworth, Knebworth, SG3SG3 6SG7 Addresses
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Property Typesin SG3 6NB
- 1 house of an unknown age
- 1 early-century house built between 1912 and 1935
- house (1)
- early-century house (1)
Energy Efficiencyof properties in SG3 6NB
- Energy Performance Certificate (EPC) surveys conducted for 1 property.
- The dominant rating is C.
- A (0)
- E (0)
- B (0)
- F (0)
- C (1)
- G (0)
- D (0)
- No EPC (1)
Top 3 Most Expensive Saleson Mardleybury Road
Schools Nearbyto SG3 6NB
The nearest primary school to SG3 6NB is St Michael's Woolmer Green CofE VA Primary School which is 418 metres away.
- 418mSt Michael's Woolmer Green CofE VA Primary School
- 1.2kmAll Saints Church of England Voluntary Aided Primary School, Datchworth
- 1.7kmOaklands Primary School
The nearest secondary school is Monk's Walk School which is 4.1 kilometres away.
- 4.1kmMonk's Walk School
- 4.5kmBarnwell School
- 5.3kmRidgeway Academy
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Public Transport Nearbyto SG3 6NB
The closest station to SG3 6NB is Knebworth station which is 2.1 kilometres away.
- 2.1kmKnebworth
- 3.1kmWelwyn North
- 3.9kmWatton-at-Stone
- 5.7kmWelwyn Garden City
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