Our Data Sources
Tarnhelm, Westerham has a single entry in the Land Registry from August 2019 and a single entry in the EPC database dated July 2025.
We combine this information with that 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
In very good condition, we estimate Tarnhelm, Westerham would be worth £821,635, with a potential rental value of £2,849 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £727,734, with a rental value of £2,523 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
Tarnhelm, Westerham occupies a 1,301 m2 plot as recorded by HM Land Registry.
Of the 4 other houses in this postcode, 3 have recorded plot sizes, and this one ranks as the largest.
Energy Efficiency
Tarnhelm, Westerham has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 08 Jul 2025.
The property is not connected to mains gas and has high performance glazing. It is heated using Air source heat pump, radiators and underfloor, electric.
Sold Prices
Tarnhelm, Westerham last changed hands on 14th August 2019, selling for £532,500. 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 9.6% since August 2019.
- Sold Aug 2019£532,500
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 16 sales of comparable properties within 1.2 kilometres of Tarnhelm, Westerham across the last 2 years.
Most recently, 36B, Sutherland Avenue, Westerham, TN16 3HE, a freehold house, sold at £600,000 on the 30th April 2026.
Read more about house prices in TN16.
- Sold Apr 2026£600,000 | 5 Bed House36B, Sutherland Avenue, Westerham, TN16 3HE36B, Sutherland Avenue, Westerham, TN16 3HE
- Sold Mar 2022£885,000 | 5 Bed HouseCharlscot, Cudham Road, Westerham, TN16 2NJCharlscot, Cudham Road, Westerham, TN16 2NJ
- Sold Nov 2017£725,000 | 5 Bed HouseWhiteoak, Ricketts Hill Road, Westerham, TN16 2NFWhiteoak, Ricketts Hill Road, Westerham, TN16 2NF
•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 Tarnhelm, Westerham as the 25th largest and the 55th most expensive of the 77 addresses on Ricketts Hill Road, Tatsfield, Westerham, TN16.
Against the TN16 postcode district average, it is £236k more expensive than the typical property.
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Schools Nearby
- Tatsfield Primary School1.2 km away
- Biggin Hill Primary School1.7 km away
- Cudham Church of England Primary School2.0 km away
- Charles Darwin School1.8 km away
- Meridian High School4.7 km away
- Oxted School5.2 km away
More reading links
Public Transport Nearby
- Oxted|5.5 km away
- Woldingham|6.4 km away
- Hurst Green|6.6 km away
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
