Sunningvale Avenue - TN16 3BT
Key Postcode Insights
TN16 3BT is a residential postcode situated on Sunningvale Avenue, Biggin Hill, Westerham, TN16 with 18 addresses.
It ranks as the 395th largest and 285th most expensive of the 569 postcodes in the TN16 area. The most common property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 18 properties: 18 houses.
- Ave. Sale Price
- £543,314
- 10 Year change
- up 22.3%
- Ave. Rental Price
- £2,292pcm
- 10 Year change
- up 50.5%
- Ave. £ per ft²
- £375/ft²
- Ave. Gross Yield
- 5.1%/year/yr
Key Postcode Insights
TN16 3BT is a residential postcode situated on Sunningvale Avenue, Biggin Hill, Westerham, TN16 with 18 addresses.
It ranks as the 395th largest and 285th most expensive of the 569 postcodes in the TN16 area. The most common property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 18 properties: 18 houses.
- Ave. Sale Price
- £543,314
- 10 Year change
- up 22.3%
- Ave. Rental Price
- £2,292pcm
- 10 Year change
- up 50.5%
- Ave. £ per ft²
- £375/ft²
- Ave. Gross Yield
- 5.1%/year/yr
Explore Propertiesin TN16 3BT
- Ashley
House
- Downways
3 Bed Mid-century House
- Lilac Wine
4 Bed Modern House
- Oaklands View
5 Bed Modern House
- Torwood
5 Bed Mid-century House
Sales Market Trends
The last sale in TN16 3BT sold for £600,000 on 31st July 2025. Since then prices are down an average of 1.1%.
The current average value in the postcode is £543,314.
The TN16 3BT Sales Market has increased by 22.3% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -1.3% | £543,314 |
| June 2025 | 1.9% | £550,581 |
| June 2024 | -4.2% | £540,304 |
| June 2023 | 2.4% | £564,212 |
| June 2022 | 12.2% | £550,953 |
| June 2021 | 4.8% | £490,827 |
| June 2020 | 0.4% | £468,497 |
| June 2019 | -0.6% | £466,406 |
| June 2018 | 1% | £469,339 |
| June 2017 | 4.6% | £464,797 |
| June 2016 | 11.1% | £444,240 |
| June 2015 | 9.6% | £399,888 |
| June 2014 | 10.6% | £364,744 |
| June 2013 | 1.7% | £329,816 |
| June 2012 | 1% | £324,222 |
| June 2011 | 1.4% | £321,163 |
| June 2010 | 11.6% | £316,701 |
| June 2009 | -10.5% | £283,681 |
| June 2008 | -0.3% | £316,823 |
| June 2007 | 0% | £317,804 |
Rental Market Trends
The current average rental value in the postcode is £2,292.
The TN16 3BT Rental Market has increased by 50.5% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 3.6% | £2,292pcm |
| June 2025 | 7% | £2,213pcm |
| June 2024 | 2.6% | £2,068pcm |
| June 2023 | 5.1% | £2,016pcm |
| June 2022 | 6.7% | £1,918pcm |
| June 2021 | 12.1% | £1,798pcm |
| June 2020 | 5.4% | £1,604pcm |
| June 2019 | -0.1% | £1,522pcm |
| June 2018 | -0.5% | £1,524pcm |
| June 2017 | 0.6% | £1,532pcm |
| June 2016 | 4.7% | £1,523pcm |
| June 2015 | 2.6% | £1,454pcm |
| June 2014 | 4.1% | £1,418pcm |
| June 2013 | 3.7% | £1,361pcm |
| June 2012 | 3.7% | £1,313pcm |
| June 2011 | 3.2% | £1,266pcm |
| June 2010 | 13.8% | £1,227pcm |
| June 2009 | -12.1% | £1,078pcm |
| June 2008 | 3.7% | £1,227pcm |
| June 2007 | 0% | £1,184pcm |
Sales History
The last sale was on 31st July 2025 for £600,000 and since then the market in the area has decreased by 1.1%. The postcode has had a total of 23 sales since 1995.
TN16 3BT has seen 2 sales in the last three years and 1 sale in the last twelve months.
- Sold Jul 2025£600,000 | 4 Bed House4, Sunningvale Avenue, Westerham, TN16 3BT4, Sunningvale Avenue, Westerham, TN16 3BT
- Sold Jul 2023£650,000 | 5 Bed HouseOaklands View, Sunningvale Avenue, Westerham, TN16 3BTOaklands View, Sunningvale Avenue, Westerham, TN16 3BT
- Sold Aug 2022£665,000 | 5 Bed House22, Sunningvale Avenue, Westerham, TN16 3BT22, Sunningvale Avenue, Westerham, TN16 3BT
- Sold Aug 2021£400,000 | 3 Bed House24A, Sunningvale Avenue, Westerham, TN16 3BT24A, Sunningvale Avenue, Westerham, TN16 3BT
- Sold Oct 2020£460,000 | 3 Bed House16, Sunningvale Avenue, Westerham, TN16 3BT16, Sunningvale Avenue, Westerham, TN16 3BT
Nearby Postcodes
TN16 3BT is the 395th largest and the 285th most expensive postcode out of the 569 postcodes in the TN16 area.
- TN16 3DU, Main Road, Biggin Hill, Westerham, TN16TN16 3DU13 Addresses|72 m away
- TN16 3DJ, Victoria Gardens, Biggin Hill, Westerham, TN16TN16 3DJ24 Addresses|111 m away
- TN16 3DH, Victoria Gardens, Biggin Hill, Westerham, TN16TN16 3DH28 Addresses|126 m away
- TN16 3BU, Sunningvale Avenue, Biggin Hill, Westerham, TN16TN16 3BU48 Addresses|172 m away
- TN16 3LW, Nightingale Close, Biggin Hill, Westerham, TN16TN16 3LW14 Addresses|172 m away
Property Types
- 5 modern houses built after 1980
- 6 mid-century houses built between 1936 and 1979
- 4 early-century houses built between 1912 and 1935
- 3 other addresses of unknown type
- modern house (5)
- mid-century house (6)
- early-century house (4)
- Unknown (3)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 15 properties.
- The most common rating is C.
- A (0)
- E (4)
- B (1)
- F (1)
- C (6)
- G (0)
- D (3)
- No EPC (3)
Top 3 Most Expensive Sales
- Sold Oct 2022£710,000 | 4 Bed House83A, Sunningvale Avenue, Westerham, TN16 3BZ83A, Sunningvale Avenue, Westerham, TN16 3BZ
- Sold Aug 2022£665,000 | 5 Bed House22, Sunningvale Avenue, Westerham, TN16 3BT22, Sunningvale Avenue, Westerham, TN16 3BT
- Sold Jul 2022£655,000 | 4 Bed House73, Sunningvale Avenue, Westerham, TN16 3BZ73, Sunningvale Avenue, Westerham, TN16 3BZ
Schools Nearby
- Oaklands Primary Academy600 m away
- Biggin Hill Primary School1.1 km away
- Cudham Church of England Primary School2.0 km away
- Charles Darwin School1.4 km away
- Meridian High School2.5 km away
- Ravens Wood School5.5 km away
More reading links
Public Transport Nearby
The closest station to TN16 3BT is Hayes (Kent) station, which is 6.3 kilometres away.
- Hayes (Kent)|6.3 km away
- Woldingham|6.5 km away
- Chelsfield|6.9 km away
- Orpington|7.3 km away
