12, Unwin Close, Letchworth Garden City occupies a 346 m² plot as recorded by HM Land Registry.

All 18 other houses in this postcode have recorded plot sizes, and this one ranks as the 12th largest.

12, Unwin Close, Letchworth Garden City has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 29 Jun 2017.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

12, Unwin Close, Letchworth Garden City last changed hands on 15th September 2017, selling for £465,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 7.8% since September 2017.

• Sold Sep 2017£465,000

Land Registry records and our Estate Agent network show 52 sales of comparable properties within 730 metres of 12, Unwin Close, Letchworth Garden City since 2011.

Most recently, 12, Oaktree Close, Letchworth Garden City, SG6 3XY, a freehold house, sold at £614,000 on the 10th April 2026.

Read more about house prices in SG6.

• Sold Apr 2026£614,000 | 3 Bed House12, Oaktree Close, Letchworth Garden City, SG6 3XY12, Oaktree Close, Letchworth Garden City, SG6 3XY
• Sold Sep 2025£525,000 | 4 Bed House155, High Avenue, Letchworth Garden City, SG6 3RR155, High Avenue, Letchworth Garden City, SG6 3RR
• Sold May 2025£605,000 | 3 Bed House36, Parker Close, Letchworth Garden City, SG6 3RT36, Parker Close, Letchworth Garden City, SG6 3RT
• Sold Sep 2024£550,000 | 3 Bed House25, Oaktree Close, Letchworth Garden City, SG6 3XY25, Oaktree Close, Letchworth Garden City, SG6 3XY
• Sold Feb 2024£640,000 | 3 Bed House43, Parker Close, Letchworth Garden City, SG6 3RT43, Parker Close, Letchworth Garden City, SG6 3RT
• Sold Oct 2023£567,000 | 3 Bed House25, Parker Close, Letchworth Garden City, SG6 3RT25, Parker Close, Letchworth Garden City, SG6 3RT
• Sold Oct 2023£557,000 | 3 Bed House27, Parker Close, Letchworth Garden City, SG6 3RT27, Parker Close, Letchworth Garden City, SG6 3RT
• Sold Jun 2022£562,000 | 3 Bed House34, Parker Close, Letchworth Garden City, SG6 3RT34, Parker Close, Letchworth Garden City, SG6 3RT
• Sold Feb 2022£550,000 | 3 Bed House161, High Avenue, Letchworth Garden City, SG6 3RR161, High Avenue, Letchworth Garden City, SG6 3RR
• Sold Dec 2021£610,000 | 3 Bed House39, Parker Close, Letchworth Garden City, SG6 3RT39, Parker Close, Letchworth Garden City, SG6 3RT
• Sold Apr 2021£515,000 | 3 Bed House21, Oaktree Close, Letchworth Garden City, SG6 3XY21, Oaktree Close, Letchworth Garden City, SG6 3XY
• Sold Mar 2021£475,000 | 3 Bed House20, Oaktree Close, Letchworth Garden City, SG6 3XY20, Oaktree Close, Letchworth Garden City, SG6 3XY
• Sold Oct 2020£483,000 | 4 Bed House20, Unwin Close, Letchworth Garden City, SG6 3RS20, Unwin Close, Letchworth Garden City, SG6 3RS
• Sold May 2019£465,000 | 2 Bed House147, High Avenue, Letchworth Garden City, SG6 3RR147, High Avenue, Letchworth Garden City, SG6 3RR
• Sold Feb 2016£400,000 | 3 Bed House4, Parker Close, Letchworth Garden City, SG6 3RT4, Parker Close, Letchworth Garden City, SG6 3RT
• Sold Nov 2015£380,000 | 3 Bed House26, Oaktree Close, Letchworth Garden City, SG6 3XY26, Oaktree Close, Letchworth Garden City, SG6 3XY
• Sold Aug 2013£307,000 | 3 Bed House151, High Avenue, Letchworth Garden City, SG6 3RR151, High Avenue, Letchworth Garden City, SG6 3RR
• Sold Mar 2013£385,000 | 3 Bed House37, Parker Close, Letchworth Garden City, SG6 3RT37, Parker Close, Letchworth Garden City, SG6 3RT
• Sold Aug 2012£300,000 | 3 Bed House92, High Avenue, Letchworth Garden City, SG6 3RR92, High Avenue, Letchworth Garden City, SG6 3RR
• Sold Feb 2011£250,000 | 3 Bed House165, High Avenue, Letchworth Garden City, SG6 3RR165, High Avenue, Letchworth Garden City, SG6 3RR

Our analysis of the public data ranks 12, Unwin Close, Letchworth Garden City as the 18th largest and the 18th most expensive of the 61 addresses on Unwin Close, Letchworth Garden City, SG6.

Against the SG6 postcode district average, it is £103k more expensive than the typical property.

• St Thomas More Roman Catholic Primary School

  400 m away
• Icknield Infant and Nursery School

  1.0 km away
• Pixmore Junior School

  1.1 km away

• The Highfield School

  500 m away
• Fearnhill School

  900 m away
• The Priory School

  3.3 km away

• Letchworth Garden City

  |

  1.0 km away
• Hitchin

  |

  2.7 km away
• Baldock

  |

  4.1 km away

Environment Agency data suggests this area has a Very Low risk of flooding.