According to data from HM Land Registry, 40, Thirlmere, Stevenage sits on a plot of 190 m².

We have plot size data on 30 out of 30 other houses in the postcode and 40, Thirlmere, Stevenage sits on the 23rd largest plot.

40, Thirlmere, Stevenage has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 13 Aug 2012.

The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 40, Thirlmere, Stevenage was last sold on 30th November 2012 for £240,000 and was recorded as a freehold house.

The property has had 3 sales since 1995.

Since November 2012, the market for similar properties has risen by 48.7%.

• Sold Nov 2012£240,000
• Sold Sep 2007£242,500
• Sold Nov 2000£136,950

According to the Land Registry and our network of Estate Agents, there have been 182 sales of properties similar to 40, Thirlmere, Stevenage within a radius of 730 metres since 2014.

The most recent example is 21, Serpentine Close, Stevenage, SG1 6AP, a freehold house which sold for £395,000 on the 27th March 2026.

Read more about house prices in SG1.

• Sold Mar 2026£395,000 | 3 Bed House21, Serpentine Close, Stevenage, SG1 6AP21, Serpentine Close, Stevenage, SG1 6AP
• Sold Oct 2025£375,000 | 3 Bed House6, Lomond Way, Stevenage, SG1 6AJ6, Lomond Way, Stevenage, SG1 6AJ
• Sold Sep 2025£416,000 | 3 Bed House46, Serpentine Close, Stevenage, SG1 6AP46, Serpentine Close, Stevenage, SG1 6AP
• Sold Sep 2025£370,000 | 3 Bed House65, Thirlmere, Stevenage, SG1 6AQ65, Thirlmere, Stevenage, SG1 6AQ
• Sold Aug 2025£430,000 | 3 Bed House6, Monarch Rise, Stevenage, SG1 4FS6, Monarch Rise, Stevenage, SG1 4FS
• Sold Jul 2025£385,000 | 3 Bed House11, Ullswater Close, Stevenage, SG1 6AF11, Ullswater Close, Stevenage, SG1 6AF
• Sold Mar 2025£408,000 | 3 Bed House13, Grayling Way, Stevenage, SG1 4FR13, Grayling Way, Stevenage, SG1 4FR
• Sold Dec 2024£335,000 | 3 Bed House15, Ullswater Close, Stevenage, SG1 6AF15, Ullswater Close, Stevenage, SG1 6AF
• Sold Dec 2024£325,000 | 3 Bed House29, Ullswater Close, Stevenage, SG1 6AF29, Ullswater Close, Stevenage, SG1 6AF
• Sold Jul 2024£362,000 | 3 Bed House20, Thirlmere, Stevenage, SG1 6AH20, Thirlmere, Stevenage, SG1 6AH
• Sold Mar 2024£375,000 | 2 Bed House36, Thirlmere, Stevenage, SG1 6AH36, Thirlmere, Stevenage, SG1 6AH
• Sold Jul 2023£342,500 | 3 Bed House24, Thirlmere, Stevenage, SG1 6AH24, Thirlmere, Stevenage, SG1 6AH
• Sold Aug 2022£435,000 | 3 Bed House75, Thirlmere, Stevenage, SG1 6AQ75, Thirlmere, Stevenage, SG1 6AQ
• Sold Jul 2022£375,000 | 3 Bed House14, Ullswater Close, Stevenage, SG1 6AF14, Ullswater Close, Stevenage, SG1 6AF
• Sold Jun 2022£355,000 | 3 Bed House30, Ullswater Close, Stevenage, SG1 6AF30, Ullswater Close, Stevenage, SG1 6AF
• Sold Apr 2022£398,250 | 3 Bed House6, Ullswater Close, Stevenage, SG1 6AF6, Ullswater Close, Stevenage, SG1 6AF
• Sold Jun 2021£313,750 | 3 Bed House31, Ullswater Close, Stevenage, SG1 6AF31, Ullswater Close, Stevenage, SG1 6AF
• Sold Nov 2020£325,000 | 3 Bed House2, Ullswater Close, Stevenage, SG1 6AF2, Ullswater Close, Stevenage, SG1 6AF
• Sold Dec 2017£398,000 | 3 Bed House42, Thirlmere, Stevenage, SG1 6AH42, Thirlmere, Stevenage, SG1 6AH
• Sold Aug 2014£268,700 | 3 Bed House79, Thirlmere, Stevenage, SG1 6AQ79, Thirlmere, Stevenage, SG1 6AQ

Thirlmere, Stevenage, SG1 has a total of 72 addresses. According to our analysis of all the public data, 40, Thirlmere, Stevenage is the 59th largest and the 49th most expensive property on the street.

When compared to the postcode district it is £67k more expensive than the average property in SG1.

• 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

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.