Sarnia, Thatcham
Sarnia, Thatcham
Description & Estimates







The public record describes Sarnia, Thatcham as a modern house with 1,280 ft2 of internal area, sitting on a 377 m2 plot.
In this area, houses of this size normally have 4 bedrooms with a garden.
Sarnia, Thatcham has an estimated sale value of £527,866 and an estimated rental value of £1,829 per month, assuming reasonable condition and based on the information available.
High Street, Hermitage, Thatcham, RG18 lies within the RG18 postal district.
Our Data Sources
Sarnia, Thatcham has no records in the the Land Registry and a single entry in the EPC database dated April 2021.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate Sarnia, Thatcham would be worth £554,259, with a potential rental value of £1,921 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £490,915, with a rental value of £1,701 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Recent Market Change
The estimated sale value of Sarnia, Thatcham has moved down by £10,671 (2.0%) over the last year. During the same period, its estimated monthly rental value has increased by £51 (2.8%). The property's estimated gross yield is currently 4.2%.
Plot Size
Sarnia, Thatcham occupies a 377 m2 plot as recorded by HM Land Registry.
Of the 17 other houses in this postcode, 12 have recorded plot sizes, and this one ranks as the 9th largest.
Energy Efficiency
Sarnia, Thatcham has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 21 Apr 2021.
The property is not connected to mains gas and has high performance glazing. It is heated using Boiler and underfloor heating, mains gas.
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 3.4 kilometres of Sarnia, Thatcham across the last 2 years.
Most recently, 23, Hermitage Green, Thatcham, RG18 9SL, a freehold house, sold at £470,000 on the 28th November 2025.
Read more about house prices in RG18.
- Sold Nov 2025£470,000 | 4 Bed House23, Hermitage Green, Thatcham, RG18 9SL23, Hermitage Green, Thatcham, RG18 9SL
- Sold Sep 2025£635,000 | 4 Bed HouseAnwyn, Hampstead Norreys Road, Thatcham, RG18 9RZAnwyn, Hampstead Norreys Road, Thatcham, RG18 9RZ
- Sold Jun 2023£540,000 | 4 Bed HouseHuckleberry House, Newbury Road, Thatcham, RG18 9TBHuckleberry House, Newbury Road, Thatcham, RG18 9TB
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks Sarnia, Thatcham as the 27th largest and the 28th most expensive of the 44 addresses on High Street, Hermitage, Thatcham, RG18.
Against the RG18 postcode district average, it is £59k more expensive than the typical property.
More reading links
Schools Nearby
- 800mHermitage Primary School
- 2.1kmCurridge Primary School
- 3.0kmCold Ash St Mark's CE Primary School
- 5.6kmTrinity School
- 6.0kmKennet School
- 6.7kmThe Downs School
More reading links
Public Transport Nearby
Newbury Racecourse station is the nearest stop to Sarnia, Thatcham at 6.7 kilometres away.
- 6.7kmNewbury Racecourse
- 7.0kmThatcham
- 7.2kmNewbury
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a very low risk of flooding.

