Our Data Sources
27, Thirlmere, Stevenage has 21 entries in the Land Registry, most recently in August 2025 and a single entry in the EPC database dated March 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 27, Thirlmere, Stevenage, we estimate a market value of £694,804 and a rental value of £2,797 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £615,398 and £2,477 per month respectively.
Plot Size
HM Land Registry records the plot of land for 27, Thirlmere, Stevenage as measuring 374 m2.
That makes it the 6th largest plot in the postcode, where all 42 other houses have recorded plot data.
Energy Efficiency
27, Thirlmere, Stevenage has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 04 Mar 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 27, Thirlmere, Stevenage completed on 1st August 2025 at £672,500 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have dropped by 15.3% over the period since August 2025.
- Sold Aug 2025£672,500
- Sold Sep 1999£161,950
Similar Properties Sold Nearby
Since 2015 82 properties similar to 27, Thirlmere, Stevenage have sold within a radius of 720 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 8th May 2026, was 99, Great Ashby Way, Stevenage, SG1 6DT, a freehold house which sold for £600,000.
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 Jul 2025£585,000 | 5 Bed House14, Mount Keen, Stevenage, SG1 6BP14, Mount Keen, Stevenage, SG1 6BP
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £539,082, ranging from £400,403 to £619,488.
- 25 Thirlmere
4 Bed House | 11 m | Est. Value: £531,850
- 10 Windermere Close
3 Bed House | 23 m | Est. Value: £505,335
- 31 Thirlmere
4 Bed House | 27 m | Est. Value: £537,790
- 33 Thirlmere
4 Bed House | 28 m | Est. Value: £558,797
- 17 Thirlmere
4 Bed House | 32 m | Est. Value: £563,023
Location Comparison
Of the 72 addresses on Thirlmere, Stevenage, SG1, 27, Thirlmere, Stevenage comes out as the 3rd largest and the 2nd most expensive in our analysis of the public data.
It is also £326k more expensive than the average property across the SG1 district.
More reading links
Schools Nearby
- Martins Wood Primary School900 m away
- Round Diamond Primary School900 m away
- The Leys Primary and Nursery School1.3 km away
- The Nobel School1.5 km away
- Marriotts School2.5 km away
- Barclay Academy3.0 km away
More reading links
Public Transport Nearby
- Stevenage|4.0 km away
- Knebworth|6.7 km away
- Hitchin|7.6 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
