Our Data Sources
15, Thirlmere Avenue, St. Helens has no records in the the Land Registry and a single entry in the EPC database dated August 2023.
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
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 15, Thirlmere Avenue, St. Helens, we estimate a market value of £147,757 and a rental value of £955 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £130,871 and £845 per month respectively.
Energy Efficiency
15, Thirlmere Avenue, St. Helens has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 29 Aug 2023.
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
Over the past 2 years 38 properties similar to 15, Thirlmere Avenue, St. Helens have sold within a radius of 630 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 13th January 2026, was 10, Lorton Avenue, St. Helens, WA11 7AD, a freehold house which sold for £160,000.
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 Jan 2024£145,000 | 3 Bed House5, Tarn Grove, St. Helens, WA11 7PS5, Tarn Grove, St. Helens, WA11 7PS
- Sold Oct 2021£127,000 | 3 Bed House36, Queensway, St. Helens, WA11 7BY36, Queensway, St. Helens, WA11 7BY
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Of the 60 addresses on Thirlmere Avenue, St. Helens, WA11, 15, Thirlmere Avenue, St. Helens comes out as the 37th largest and the 37th most expensive in our analysis of the public data.
It is also £64k less expensive than the average property across the WA11 district.
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Schools Nearby
- St Peter and St Paul Catholic Primary School500 m away
- Carr Mill Primary School900 m away
- Ashurst Primary School1.7 km away
- Cowley International College1.5 km away
- St Augustine of Canterbury Catholic Academy2.3 km away
- De La Salle School3.2 km away
More reading links
Public Transport Nearby
- St Helens Central|2.2 km away
- Garswood|4.3 km away
- Thatto Heath|4.5 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












