New Close - SG3 6NU
Key Postcode Insights
SG3 6NU is a residential postcode situated on New Close, Knebworth, SG3 with 51 addresses.
It ranks as the 193rd largest and 115th most expensive of the 199 postcodes in the SG3 area. The most common property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 51 properties: 34 houses and 17 other properties.
- Ave. Sale Price
- £598,204
- 10 Year change
- up 20.9%
- Ave. Rental Price
- £2,140pcm
- 10 Year change
- up 54.3%
- Ave. £ per ft²
- £477/ft²
- Ave. Gross Yield
- 4.3%/year/yr
Key Postcode Insights
SG3 6NU is a residential postcode situated on New Close, Knebworth, SG3 with 51 addresses.
It ranks as the 193rd largest and 115th most expensive of the 199 postcodes in the SG3 area. The most common property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 51 properties: 34 houses and 17 other properties.
- Ave. Sale Price
- £598,204
- 10 Year change
- up 20.9%
- Ave. Rental Price
- £2,140pcm
- 10 Year change
- up 54.3%
- Ave. £ per ft²
- £477/ft²
- Ave. Gross Yield
- 4.3%/year/yr
Explore Properties in SG3 6NU
- 1 New Close
3 Bed Mid-century House
- 2 New Close
3 Bed Mid-century House
- 3 New Close
3 Bed Mid-century House
- 4 New Close
House
- 5 New Close
House
Sales Market Trends
The last sale in SG3 6NU sold for £500,000 on 11th November 2025. Since then prices are up an average of 1.2%.
The current average value in the postcode is £598,204.
The SG3 6NU Sales Market has increased by 20.9% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 0.5% | £598,204 |
| June 2025 | 2.6% | £595,510 |
| June 2024 | -3.4% | £580,214 |
| June 2023 | 1.2% | £600,558 |
| June 2022 | 3.1% | £593,229 |
| June 2021 | 13.6% | £575,413 |
| June 2020 | -2.8% | £506,500 |
| June 2019 | -0.1% | £521,142 |
| June 2018 | 1.7% | £521,814 |
| June 2017 | 3.7% | £513,074 |
| June 2016 | 12.8% | £494,723 |
| June 2015 | 12.1% | £438,391 |
| June 2014 | 7.7% | £391,102 |
| June 2013 | 1.2% | £363,134 |
| June 2012 | 4.5% | £358,727 |
| June 2011 | 4% | £343,191 |
| June 2010 | 8.5% | £329,874 |
| June 2009 | -9.5% | £304,077 |
| June 2008 | 1.5% | £336,174 |
| June 2007 | 0% | £331,228 |
Rental Market Trends
The current average rental value in the postcode is £2,140.
The SG3 6NU Rental Market has increased by 54.3% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 4.1% | £2,140pcm |
| June 2025 | 4.2% | £2,055pcm |
| June 2024 | 8% | £1,972pcm |
| June 2023 | 8.3% | £1,827pcm |
| June 2022 | 9.7% | £1,686pcm |
| June 2021 | 6.7% | £1,537pcm |
| June 2020 | 1.1% | £1,440pcm |
| June 2019 | 1.4% | £1,425pcm |
| June 2018 | 1.3% | £1,406pcm |
| June 2017 | 0.1% | £1,389pcm |
| June 2016 | 4.7% | £1,387pcm |
| June 2015 | 3.7% | £1,325pcm |
| June 2014 | 5.9% | £1,278pcm |
| June 2013 | 0.6% | £1,207pcm |
| June 2012 | 4.2% | £1,200pcm |
| June 2011 | 3.2% | £1,152pcm |
| June 2010 | 9.7% | £1,116pcm |
| June 2009 | -5.1% | £1,017pcm |
| June 2008 | 3.5% | £1,072pcm |
| June 2007 | 0% | £1,036pcm |
Sales History
The last recorded sale was on 11th November 2025 for £500,000 and since then the market in the area has increased by 1.2%.
SG3 6NU has had 3 sales since 1995, with 3 in the last three years and 1 in the last twelve months.
- Sold Nov 2025£500,000 | 3 Bed House18, New Close, Knebworth, SG3 6NU18, New Close, Knebworth, SG3 6NU
- Sold Apr 2025£660,000 | 4 Bed House6, New Close, Knebworth, SG3 6NU6, New Close, Knebworth, SG3 6NU
- Sold Dec 2024£590,000 | 4 Bed House29, New Close, Knebworth, SG3 6NU29, New Close, Knebworth, SG3 6NU
Nearby Postcodes
SG3 6NU is the 193rd largest and the 115th most expensive postcode out of the 199 postcodes in the SG3 area.
- SG3 6HP, Peters Way, Knebworth, SG3SG3 6HP44 Addresses|87 m away
- SG3 6AL, Kerr Close, Knebworth, SG3SG3 6AL47 Addresses|138 m away
- SG3 6AB, Kerr Close, Knebworth, SG3SG3 6AB32 Addresses|139 m away
- SG3 6NX, New Close, Knebworth, SG3SG3 6NX3 Addresses|154 m away
- SG3 6AR, Stevenage Road, Knebworth, SG3SG3 6AR3 Addresses|160 m away
Property Types
- 30 mid-century houses built between 1936 and 1979
- 2 houses of an unknown age
- 2 early-century houses built between 1912 and 1935
- 17 other addresses of unknown type
- mid-century house (30)
- house (2)
- early-century house (2)
- Unknown (17)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys have been conducted for 32 properties.
- The most common rating is D.
- A (0)
- E (2)
- B (0)
- F (0)
- C (9)
- G (0)
- D (21)
- No EPC (19)
Top 3 Most Expensive Sales
- Sold Oct 2018£760,000 | 4 Bed House23, New Close, Knebworth, SG3 6NU23, New Close, Knebworth, SG3 6NU
- Sold Apr 2025£660,000 | 4 Bed House6, New Close, Knebworth, SG3 6NU6, New Close, Knebworth, SG3 6NU
- Sold Aug 2024£650,000 | 4 Bed House13, New Close, Knebworth, SG3 6NU13, New Close, Knebworth, SG3 6NU
Schools Nearby
- Knebworth Primary and Nursery School600 m away
- Shephalbury Park Primary School1.7 km away
- St Margaret Clitherow Roman Catholic Primary School1.7 km away
- Barnwell School2.5 km away
- Marriotts School3.9 km away
- The Nobel School4.8 km away
More reading links
Public Transport Nearby
The closest station to SG3 6NU is Knebworth station, which is 300 metres away.
- Knebworth|300 m away
- Stevenage|3.9 km away
- Watton-at-Stone|4.8 km away
- Welwyn North|5.1 km away
