Sunningvale Avenue - TN16 3TT
Key Postcode Insights
TN16 3TT is a residential postcode situated on Sunningvale Avenue, Biggin Hill, Westerham, TN16 with 36 addresses.
It ranks as the 537th largest and 217th 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 36 properties: 36 houses.
- Ave. Sale Price
- £478,730
- 10 Year change
- up 22.5%
- Ave. Rental Price
- £2,171pcm
- 10 Year change
- up 50.8%
- Ave. £ per ft²
- £433/ft²
- Ave. Gross Yield
- 5.4%/year/yr
Key Postcode Insights
TN16 3TT is a residential postcode situated on Sunningvale Avenue, Biggin Hill, Westerham, TN16 with 36 addresses.
It ranks as the 537th largest and 217th 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 36 properties: 36 houses.
- Ave. Sale Price
- £478,730
- 10 Year change
- up 22.5%
- Ave. Rental Price
- £2,171pcm
- 10 Year change
- up 50.8%
- Ave. £ per ft²
- £433/ft²
- Ave. Gross Yield
- 5.4%/year/yr
Sales Market Trends
The last sale in TN16 3TT sold for £600,000 on 22nd September 2025. Since then prices have on average remained the same.
The current average value in the postcode is £478,730.
The TN16 3TT Sales Market has increased by 22.5% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -1% | £478,730 |
| June 2025 | 2% | £483,787 |
| June 2024 | -4.1% | £474,519 |
| June 2023 | 2.5% | £494,913 |
| June 2022 | 12.1% | £482,763 |
| June 2021 | 4.7% | £430,643 |
| June 2020 | 0.5% | £411,356 |
| June 2019 | -0.8% | £409,193 |
| June 2018 | 1% | £412,477 |
| June 2017 | 4.6% | £408,563 |
| June 2016 | 11.7% | £390,700 |
| June 2015 | 10.1% | £349,634 |
| June 2014 | 10.8% | £317,652 |
| June 2013 | 1.7% | £286,655 |
| June 2012 | 1% | £281,911 |
| June 2011 | 1% | £279,148 |
| June 2010 | 11.3% | £276,328 |
| June 2009 | -10.9% | £248,213 |
| June 2008 | -0.4% | £278,636 |
| June 2007 | 0% | £279,815 |
Rental Market Trends
The current average rental value in the postcode is £2,171.
The TN16 3TT Rental Market has increased by 50.8% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 3.9% | £2,171pcm |
| June 2025 | 7.1% | £2,091pcm |
| June 2024 | 2.7% | £1,951pcm |
| June 2023 | 5.1% | £1,900pcm |
| June 2022 | 6.5% | £1,808pcm |
| June 2021 | 12.2% | £1,698pcm |
| June 2020 | 5.5% | £1,514pcm |
| June 2019 | -0.3% | £1,435pcm |
| June 2018 | -0.6% | £1,440pcm |
| June 2017 | 0.5% | £1,448pcm |
| June 2016 | 5.3% | £1,440pcm |
| June 2015 | 2.9% | £1,367pcm |
| June 2014 | 4.4% | £1,329pcm |
| June 2013 | 3.7% | £1,273pcm |
| June 2012 | 3.7% | £1,228pcm |
| June 2011 | 2.8% | £1,184pcm |
| June 2010 | 13.6% | £1,152pcm |
| June 2009 | -12.6% | £1,014pcm |
| June 2008 | 3.6% | £1,161pcm |
| June 2007 | 0% | £1,121pcm |
Sales History
The last sale was on 22nd September 2025 for £600,000 and since then the market in the area has remained stable. The postcode has had a total of 46 sales since 1995.
TN16 3TT has seen 6 sales in the last three years and 1 sale in the last twelve months.
- Sold Sep 2025£600,000 | 4 Bed House100A, Sunningvale Avenue, Westerham, TN16 3TT100A, Sunningvale Avenue, Westerham, TN16 3TT
- Sold Sep 2024£400,000 | 3 Bed House86, Sunningvale Avenue, Westerham, TN16 3TT86, Sunningvale Avenue, Westerham, TN16 3TT
- Sold Aug 2024£470,000 | 4 Bed House114G, Sunningvale Avenue, Westerham, TN16 3TT114G, Sunningvale Avenue, Westerham, TN16 3TT
- Sold Mar 2024£415,000 | 4 Bed House114F, Sunningvale Avenue, Westerham, TN16 3TT114F, Sunningvale Avenue, Westerham, TN16 3TT
- Sold Nov 2023£625,000 | 4 Bed House100, Sunningvale Avenue, Westerham, TN16 3TT100, Sunningvale Avenue, Westerham, TN16 3TT
Nearby Postcodes
TN16 3TT is the 537th largest and the 217th most expensive postcode out of the 569 postcodes in the TN16 area.
- TN16 3TU, Dawell Drive, Biggin Hill, Westerham, TN16TN16 3TU8 Addresses|43 m away
- TN16 3TS, Sunningvale Avenue, Biggin Hill, Westerham, TN16TN16 3TS48 Addresses|43 m away
- TN16 3XY, Kings Road, Biggin Hill, Westerham, TN16TN16 3XY32 Addresses|119 m away
- TN16 3XX, Kings Road, Biggin Hill, Westerham, TN16TN16 3XX30 Addresses|151 m away
- TN16 3NF, Rosehill Road, Biggin Hill, Westerham, TN16TN16 3NF18 Addresses|173 m away
Property Types
- 6 modern houses built after 1980
- 8 mid-century houses built between 1936 and 1979
- 4 houses of an unknown age
- 18 other addresses of unknown type
- modern house (6)
- mid-century house (8)
- house (4)
- Unknown (18)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 14 properties.
- The most common rating is D.
- A (0)
- E (1)
- B (0)
- F (0)
- C (6)
- G (0)
- D (7)
- No EPC (22)
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 Academy500 m away
- Biggin Hill Primary School900 m away
- Cudham Church of England Primary School1.9 km away
- Charles Darwin School1.3 km away
- Meridian High School3.2 km away
- Oxted School6.1 km away
More reading links
Public Transport Nearby
The closest station to TN16 3TT is Woldingham station, which is 6.0 kilometres away.
- Woldingham|6.0 km away
- Oxted|6.4 km away
- Hayes (Kent)|7.3 km away
- Whyteleafe South|7.3 km away
