Our Data Sources
19, Thirlmere Avenue, St. Helens has no records in the the Land Registry and a single entry in the EPC database dated January 2024.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 19, Thirlmere Avenue, St. Helens is in very good condition we estimate a sale value of £157,453 and a rental value of £965 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £139,458 and a rental value of £854 per month.
Energy Efficiency
19, Thirlmere Avenue, St. Helens has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 05 Jan 2024.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 19, Thirlmere Avenue, St. Helens within a radius of 630 metres over the last 2 years.
The most recent example is 10, Lorton Avenue, St. Helens, WA11 7AD, a freehold house which sold for £160,000 on the 13th January 2026.
Read more about house prices in WA11.
- Sold Jan 2026£160,000 | 3 Bed House10, Lorton Avenue, St. Helens, WA11 7AD10, Lorton Avenue, St. Helens, WA11 7AD
- Sold Dec 2025£160,500 | 3 Bed House13, Windermere Avenue, St. Helens, WA11 7AF13, Windermere Avenue, St. Helens, WA11 7AF
- Sold Dec 2022£123,500 | 3 Bed House102, Queensway, St. Helens, WA11 7BY102, Queensway, St. Helens, WA11 7BY
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Thirlmere Avenue, St. Helens, WA11 has a total of 60 addresses. According to our analysis of all the public data, 19, Thirlmere Avenue, St. Helens is the 6th largest and the 6th most expensive property on the street.
When compared to the postcode district it is £55k less expensive than the average property in WA11.
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Schools Nearby
- 500mSt Peter and St Paul Catholic Primary School
- 900mCarr Mill Primary School
- 1.7kmAshurst Primary School
- 1.5kmCowley International College
- 2.3kmSt Augustine of Canterbury Catholic Academy
- 3.2kmDe La Salle School
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Public Transport Nearby
- 2.2kmSt Helens Central
- 4.3kmGarswood
- 4.5kmThatto Heath
Available Internet Speeds
According to recent data from Ofcom, ultrafast broadband is available in this area.
According to recent data from Ofcom, Ultrafast broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be very low.












