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
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 Tarnhelm, Westerham, we estimate a market value of £822,672 and a rental value of £2,797 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £728,652 and £2,477 per month respectively.
Plot Size
HM Land Registry records the plot of land for Tarnhelm, Westerham as measuring 1,301 m2.
That makes it the largest plot in the postcode, where 3 of the 4 other houses have recorded plot data.
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
The most recent sale of Tarnhelm, Westerham completed on 14th August 2019 at £532,500 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 14.0% over the period since August 2019.
- Sold Aug 2019£532,500
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to Tarnhelm, Westerham have sold within a radius of 1.2 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 28th October 2022, was 36B, Sutherland Avenue, Westerham, TN16 3HE, a freehold house which sold for £680,000.
Read more about house prices in TN16.
- Sold Oct 2022£680,000 | 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.
More reading links
Location Comparison
Of the 77 addresses on Ricketts Hill Road, Tatsfield, Westerham, TN16, Tarnhelm, Westerham comes out as the 26th largest and the 51st most expensive in our analysis of the public data.
It is also £233k more expensive than the average property across the TN16 district.
More reading links
Schools Nearby
- 1.2kmTatsfield Primary School
- 1.7kmBiggin Hill Primary School
- 2.0kmCudham Church of England Primary School
- 1.8kmCharles Darwin School
- 4.7kmMeridian High School
- 5.2kmOxted School
More reading links
Public Transport Nearby
- 5.5kmOxted
- 6.4kmWoldingham
- 6.6kmHurst Green
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.












