HM Land Registry records the plot of land for 85, Thirlmere, Stevenage as measuring 294 m².

That makes it the 12th largest plot in the postcode, where all 42 other houses have recorded plot data.

85, Thirlmere, Stevenage has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 May 2010.

The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).

The most recent sale of 85, Thirlmere, Stevenage completed on 22nd November 2017 at £500,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold 4 times.

Values of comparable properties have dropped by 8.5% over the period since November 2017.

• Sold Nov 2017£500,000
• Sold Jun 2011£295,000
• Sold Nov 2001£203,000

Since 2010 203 properties similar to 85, Thirlmere, Stevenage have sold within a radius of 760 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 19th November 2025, was 94, Serpentine Close, Stevenage, SG1 6AR, a freehold house which sold for £525,000.

Read more about house prices in SG1.

• Sold Nov 2025£525,000 | 3 Bed House94, Serpentine Close, Stevenage, SG1 6AR94, Serpentine Close, Stevenage, SG1 6AR
• Sold Oct 2025£538,500 | 3 Bed House10, Windermere Close, Stevenage, SG1 6AG10, Windermere Close, Stevenage, SG1 6AG
• Sold Mar 2025£440,000 | 4 Bed House24, Compton Place, Stevenage, SG1 4FN24, Compton Place, Stevenage, SG1 4FN
• Sold Dec 2024£450,000 | 3 Bed House35, Serpentine Close, Stevenage, SG1 6AP35, Serpentine Close, Stevenage, SG1 6AP
• Sold Feb 2024£610,000 | 4 Bed House116, Serpentine Close, Stevenage, SG1 6AR116, Serpentine Close, Stevenage, SG1 6AR
• Sold Oct 2022£570,000 | 4 Bed House104, Serpentine Close, Stevenage, SG1 6AR104, Serpentine Close, Stevenage, SG1 6AR
• Sold Oct 2022£560,000 | 4 Bed House3, Thirlmere, Stevenage, SG1 6AQ3, Thirlmere, Stevenage, SG1 6AQ
• Sold Oct 2021£550,000 | 4 Bed House39, Thirlmere, Stevenage, SG1 6AQ39, Thirlmere, Stevenage, SG1 6AQ
• Sold Sep 2021£556,000 | 4 Bed House83, Thirlmere, Stevenage, SG1 6AQ83, Thirlmere, Stevenage, SG1 6AQ
• Sold Jun 2021£475,000 | 4 Bed House32, Windermere Close, Stevenage, SG1 6AG32, Windermere Close, Stevenage, SG1 6AG
• Sold Jan 2021£405,000 | 4 Bed House1, Monarch Rise, Stevenage, SG1 4FS1, Monarch Rise, Stevenage, SG1 4FS
• Sold Aug 2019£413,000 | 3 Bed House11, Windermere Close, Stevenage, SG1 6AG11, Windermere Close, Stevenage, SG1 6AG
• Sold Jul 2019£470,000 | 4 Bed House29, Windermere Close, Stevenage, SG1 6AG29, Windermere Close, Stevenage, SG1 6AG
• Sold Aug 2017£435,000 | 4 Bed House17, Windermere Close, Stevenage, SG1 6AG17, Windermere Close, Stevenage, SG1 6AG
• Sold Jan 2017£475,000 | 4 Bed House19, Thirlmere, Stevenage, SG1 6AQ19, Thirlmere, Stevenage, SG1 6AQ
• Sold Nov 2016£415,000 | 4 Bed House5, Windermere Close, Stevenage, SG1 6AG5, Windermere Close, Stevenage, SG1 6AG
• Sold Oct 2015£425,000 | 4 Bed House23, Windermere Close, Stevenage, SG1 6AG23, Windermere Close, Stevenage, SG1 6AG
• Sold Apr 2015£395,000 | 4 Bed House12, Windermere Close, Stevenage, SG1 6AG12, Windermere Close, Stevenage, SG1 6AG
• Sold Sep 2013£311,500 | 3 Bed House4, Windermere Close, Stevenage, SG1 6AG4, Windermere Close, Stevenage, SG1 6AG
• Sold Oct 2010£320,000 | 4 Bed House52, Thirlmere, Stevenage, SG1 6AH52, Thirlmere, Stevenage, SG1 6AH

Of the 72 addresses on Thirlmere, Stevenage, SG1, 85, Thirlmere, Stevenage comes out as the 27th largest and the 23rd most expensive in our analysis of the public data.

It is also £188k more expensive than the average property across the SG1 district.

• Martins Wood Primary School

  900 m away
• Round Diamond Primary School

  900 m 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

  |

  6.7 km away
• Hitchin

  |

  7.6 km away

The flood risk here is rated Very Low, based on Environment Agency data.