6, Thirlmere, Stevenage occupies a 241 m² plot as recorded by HM Land Registry.

All 30 other houses in this postcode have recorded plot sizes, and this one ranks as the 11th largest.

6, Thirlmere, Stevenage has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 05 Jun 2025.

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

6, Thirlmere, Stevenage last changed hands on 24th September 1999, selling for £152,950. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

• Sold Sep 1999£152,950

Land Registry records and our Estate Agent network show 81 sales of comparable properties within 690 metres of 6, Thirlmere, Stevenage since 2009.

Most recently, 99, Great Ashby Way, Stevenage, SG1 6DT, a freehold house, sold at £600,000 on the 8th May 2026.

Read more about house prices in SG1.

• Sold May 2026£600,000 | 5 Bed House99, Great Ashby Way, Stevenage, SG1 6DT99, Great Ashby Way, Stevenage, SG1 6DT
• Sold Mar 2026£590,000 | 5 Bed House2, Mount Keen, Stevenage, SG1 6BP2, Mount Keen, Stevenage, SG1 6BP
• Sold Mar 2026£655,000 | 5 Bed House71, Lomond Way, Stevenage, SG1 6BT71, Lomond Way, Stevenage, SG1 6BT
• Sold Sep 2025£670,000 | 5 Bed House4, Lowes Close, Stevenage, SG1 6AL4, Lowes Close, Stevenage, SG1 6AL
• Sold Aug 2025£672,500 | 5 Bed House27, Thirlmere, Stevenage, SG1 6AQ27, Thirlmere, Stevenage, SG1 6AQ
• Sold Jul 2025£585,000 | 5 Bed House14, Mount Keen, Stevenage, SG1 6BP14, Mount Keen, Stevenage, SG1 6BP
• Sold Mar 2025£625,000 | 5 Bed House8, Ryders Hill, Stevenage, SG1 6BJ8, Ryders Hill, Stevenage, SG1 6BJ
• Sold Jan 2025£645,000 | 4 Bed House61, Lomond Way, Stevenage, SG1 6BT61, Lomond Way, Stevenage, SG1 6BT
• Sold Feb 2022£660,000 | 5 Bed House26, Windermere Close, Stevenage, SG1 6AG26, Windermere Close, Stevenage, SG1 6AG
• Sold Mar 2021£507,500 | 4 Bed House8, Windermere Close, Stevenage, SG1 6AG8, Windermere Close, Stevenage, SG1 6AG
• Sold Dec 2020£540,000 | 5 Bed House2, Lowes Close, Stevenage, SG1 6AL2, Lowes Close, Stevenage, SG1 6AL
• Sold Dec 2019£540,000 | 5 Bed House24, Lomond Way, Stevenage, SG1 6AJ24, Lomond Way, Stevenage, SG1 6AJ
• Sold Aug 2019£519,000 | 5 Bed House50, Lomond Way, Stevenage, SG1 6BT50, Lomond Way, Stevenage, SG1 6BT
• Sold Jun 2019£480,000 | 5 Bed House36, Lomond Way, Stevenage, SG1 6AJ36, Lomond Way, Stevenage, SG1 6AJ
• Sold Oct 2018£530,000 | 5 Bed House86, Serpentine Close, Stevenage, SG1 6AR86, Serpentine Close, Stevenage, SG1 6AR
• Sold Aug 2018£502,000 | 5 Bed House2, Thirlmere, Stevenage, SG1 6AH2, Thirlmere, Stevenage, SG1 6AH
• Sold Jan 2018£480,000 | 4 Bed House8, Lowes Close, Stevenage, SG1 6AL8, Lowes Close, Stevenage, SG1 6AL
• Sold Dec 2016£470,000 | 4 Bed House9, Windermere Close, Stevenage, SG1 6AG9, Windermere Close, Stevenage, SG1 6AG
• Sold Nov 2009£317,000 | 4 Bed House11, Thirlmere, Stevenage, SG1 6AQ11, Thirlmere, Stevenage, SG1 6AQ
• Sold Aug 2009£329,950 | 5 Bed House35, Windermere Close, Stevenage, SG1 6AG35, Windermere Close, Stevenage, SG1 6AG

Our analysis of the public data ranks 6, Thirlmere, Stevenage as the 6th largest and the 8th most expensive of the 72 addresses on Thirlmere, Stevenage, SG1.

Against the SG1 postcode district average, it is £298k more expensive than the typical property.

• Martins Wood Primary School

  900 m away
• Round Diamond Primary School

  1.0 km away
• The Leys Primary and Nursery School

  1.3 km away

• The Nobel School

  1.5 km away
• Marriotts School

  2.5 km away
• Barclay Academy

  3.0 km away

• Stevenage

  |

  4.0 km away
• Knebworth

  |

  6.6 km away
• Hitchin

  |

  7.7 km away

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