Our Data Sources
18, Thornham Avenue, St. Helens has a single entry in the Land Registry from December 2008 and a single entry in the EPC database dated January 2022.
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.
Price Range & Condition
In very good condition, we estimate 18, Thornham Avenue, St. Helens would be worth £217,317, with a potential rental value of £1,117 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £192,480, with a rental value of £989 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
18, Thornham Avenue, St. Helens occupies a 214 m2 plot as recorded by HM Land Registry.
Of the 35 other houses in this postcode, 30 have recorded plot sizes, and this one ranks as the 12th largest.
Energy Efficiency
18, Thornham Avenue, St. Helens has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 11 Jan 2022.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
18, Thornham Avenue, St. Helens last changed hands on 5th December 2008, selling for £130,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 30.8% since December 2008.
- Sold Dec 2008£130,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 157 sales of comparable properties within 830 metres of 18, Thornham Avenue, St. Helens across the last 2 years.
Most recently, 51, Thornham Avenue, St. Helens, WA9 5AL, a freehold house, sold at £210,000 on the 9th September 2025.
Read more about house prices in WA9.
- Sold Sep 2025£210,000 | 3 Bed House51, Thornham Avenue, St. Helens, WA9 5AL51, Thornham Avenue, St. Helens, WA9 5AL
- Sold Nov 2023£155,000 | 3 Bed House3, Thornham Avenue, St. Helens, WA9 5AL3, Thornham Avenue, St. Helens, WA9 5AL
- Sold Mar 2021£169,000 | 3 Bed House8, Thornham Avenue, St. Helens, WA9 5AL8, Thornham Avenue, St. Helens, WA9 5AL
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 18, Thornham Avenue, St. Helens as the 9th largest and the 9th most expensive of the 35 addresses on Thornham Avenue, St. Helens, WA9.
Against the WA9 postcode district average, it is £41k more expensive than the typical property.
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Schools Nearby
- Robins Lane Community Primary School300 m away
- Eaves Primary School1.1 km away
- Allanson Street Primary School1.1 km away
- St Cuthbert's Catholic High School1.5 km away
- The Sutton Academy1.5 km away
- St Augustine of Canterbury Catholic Academy2.4 km away
More reading links
Public Transport Nearby
- Lea Green|1.4 km away
- St Helens Central|1.6 km away
- St Helens Junction|1.7 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
