Our Data Sources
20, Thirlmere, Stevenage has 31 entries in the Land Registry, most recently in July 2024 and a single entry in the EPC database dated October 2023.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 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 20, Thirlmere, Stevenage, we estimate a market value of £405,956 and a rental value of £1,738 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £359,561 and £1,540 per month respectively.
Plot Size
HM Land Registry records the plot of land for 20, Thirlmere, Stevenage as measuring 126 m2.
That makes it the 29th largest plot in the postcode, where all 30 other houses have recorded plot data.
Energy Efficiency
20, Thirlmere, Stevenage has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 04 Oct 2023.
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 20, Thirlmere, Stevenage completed on 26th July 2024 at £362,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have dropped by 17.7% over the period since July 2024.
- Sold Jul 2024£362,000
- Sold Mar 2004£173,000
- Sold Dec 1999£110,950
Similar Properties Sold Nearby
Since 2013 204 properties similar to 20, Thirlmere, Stevenage have sold within a radius of 690 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 27th March 2026, was 21, Serpentine Close, Stevenage, SG1 6AP, a freehold house which sold for £395,000.
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£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
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 £371,462, ranging from £328,341 to £515,006.
- 18 Thirlmere
2 Bed House | 7 m | Est. Value: £344,875
- 24 Thirlmere
3 Bed House | 9 m | Est. Value: £375,337
- 16 Thirlmere
2 Bed House | 11 m | Est. Value: £348,923
- 14 Ullswater Close
3 Bed House | 21 m | Est. Value: £363,412
- 15 Ullswater Close
3 Bed House | 25 m | Est. Value: £364,688
Location Comparison
Of the 72 addresses on Thirlmere, Stevenage, SG1, 20, Thirlmere, Stevenage comes out as the 54th largest and the 62nd most expensive in our analysis of the public data.
It is also £51k more expensive than the average property across the SG1 district.
More reading links
Schools Nearby
- Martins Wood Primary School900 m away
- Round Diamond Primary School1.0 km 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|6.6 km away
- Hitchin|7.7 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.
