William Street - CF83 8FX
Key Postcode Insights
CF83 8FX is a residential postcode situated on William Street, Trethomas, Caerphilly, CF83 with 29 addresses.
It ranks as the 1138th largest and 420th most expensive of the 1,584 postcodes in the CF83 area. The most common property type is a period house built between 1800 and 1911.
The postcode contains a total of 29 properties: 28 houses and 1 flat.
- Ave. Sale Price
- £182,039
- 10 Year change
- up 64.0%
- Ave. Rental Price
- £1,200pcm
- 10 Year change
- up 69.6%
- Ave. £ per ft²
- £188/ft²
- Ave. Gross Yield
- 7.9%/year/yr
Key Postcode Insights
CF83 8FX is a residential postcode situated on William Street, Trethomas, Caerphilly, CF83 with 29 addresses.
It ranks as the 1138th largest and 420th most expensive of the 1,584 postcodes in the CF83 area. The most common property type is a period house built between 1800 and 1911.
The postcode contains a total of 29 properties: 28 houses and 1 flat.
- Ave. Sale Price
- £182,039
- 10 Year change
- up 64.0%
- Ave. Rental Price
- £1,200pcm
- 10 Year change
- up 69.6%
- Ave. £ per ft²
- £188/ft²
- Ave. Gross Yield
- 7.9%/year/yr
Explore Propertiesin CF83 8FX
- Flat A
Unknown
- 51 William Street
4 Bed House
- 52 William Street
3 Bed Period House
- 53 William Street
3 Bed Modern House
- 54 William Street
Unknown
Sales Market Trends
The last sale in CF83 8FX sold for £255,000 on 12th November 2025. Since then prices are up an average of 3.7%.
The current average value in the postcode is £182,039.
The CF83 8FX Sales Market has increased by 64.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 2.6% | £182,039 |
| June 2025 | 4.5% | £177,493 |
| June 2024 | 3.5% | £169,847 |
| June 2023 | 1.4% | £164,027 |
| June 2022 | 13% | £161,804 |
| June 2021 | 9.8% | £143,174 |
| June 2020 | 4.1% | £130,411 |
| June 2019 | 3.2% | £125,329 |
| June 2018 | 5.8% | £121,420 |
| June 2017 | 3.4% | £114,773 |
| June 2016 | 2.2% | £110,972 |
| June 2015 | 3.3% | £108,533 |
| June 2014 | 6.4% | £105,089 |
| June 2013 | -0.2% | £98,789 |
| June 2012 | -0.7% | £99,025 |
| June 2011 | -1% | £99,716 |
| June 2010 | 3.7% | £100,721 |
| June 2009 | -13.9% | £97,171 |
| June 2008 | -2.4% | £112,882 |
| June 2007 | 0% | £115,704 |
Rental Market Trends
The current average rental value in the postcode is £1,200.
The CF83 8FX Rental Market has increased by 69.6% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 3.1% | £1,200pcm |
| June 2025 | 5% | £1,164pcm |
| June 2024 | 6.6% | £1,109pcm |
| June 2023 | 9.4% | £1,040pcm |
| June 2022 | 12.6% | £950pcm |
| June 2021 | 8.4% | £843pcm |
| June 2020 | 4% | £778pcm |
| June 2019 | 1.9% | £748pcm |
| June 2018 | 2.3% | £734pcm |
| June 2017 | 1.4% | £717pcm |
| June 2016 | 3.1% | £707pcm |
| June 2015 | 2% | £686pcm |
| June 2014 | 1.4% | £672pcm |
| June 2013 | 0.2% | £663pcm |
| June 2012 | -0.3% | £662pcm |
| June 2011 | 1.2% | £664pcm |
| June 2010 | 2% | £655pcm |
| June 2009 | -5.2% | £643pcm |
| June 2008 | 0% | £678pcm |
| June 2007 | 0% | £678pcm |
Sales History
The last sale was on 12th November 2025 for £255,000 and since then the market in the area has increased by 3.7%. The postcode has had a total of 60 sales since 1995.
CF83 8FX has seen 5 sales in the last three years and 2 sales in the last twelve months.
- Sold Nov 2025£255,000 | 3 Bed House53, William Street, Caerphilly, CF83 8FX53, William Street, Caerphilly, CF83 8FX
- Sold Jul 2025£175,000 | 3 Bed House84, William Street, Caerphilly, CF83 8FX84, William Street, Caerphilly, CF83 8FX
- Sold Jul 2025£162,000 | 4 Bed House56, William Street, Caerphilly, CF83 8FX56, William Street, Caerphilly, CF83 8FX
- Sold Jul 2025£160,000 | 3 Bed House72, William Street, Caerphilly, CF83 8FX72, William Street, Caerphilly, CF83 8FX
- Sold Nov 2024£185,000 | 4 Bed House78, William Street, Caerphilly, CF83 8FX78, William Street, Caerphilly, CF83 8FX
Nearby Postcodes
CF83 8FX is the 1138th largest and the 420th most expensive postcode out of the 1,584 postcodes in the CF83 area.
- CF83 8FY, James Street, Trethomas, Caerphilly, CF83CF83 8FY50 Addresses|45 m away
- CF83 8FZ, Upper Glyn Gwyn Street, Trethomas, Caerphilly, CF83CF83 8FZ25 Addresses|86 m away
- CF83 8DF, Standard Street, Trethomas, Caerphilly, CF83CF83 8DF16 Addresses|107 m away
- CF83 8DH, Grove Estate, Trethomas, Caerphilly, CF83CF83 8DH62 Addresses|117 m away
- CF83 8DG, Standard Street, Trethomas, Caerphilly, CF83CF83 8DG8 Addresses|126 m away
Property Types
- 13 period houses built between 1800 and 1911
- 2 modern houses built after 1980
- 2 houses of an unknown age
- 12 other addresses of unknown type
- period house (13)
- modern house (2)
- house (2)
- Unknown (12)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 15 properties.
- The most common rating is D.
- A (0)
- E (2)
- B (0)
- F (0)
- C (4)
- G (0)
- D (9)
- No EPC (14)
Top 3 Most Expensive Sales
- Sold Nov 2025£255,000 | 3 Bed House53, William Street, Caerphilly, CF83 8FX53, William Street, Caerphilly, CF83 8FX
- Sold Jun 2021£205,000 | 3 Bed House55, William Street, Caerphilly, CF83 8FX55, William Street, Caerphilly, CF83 8FX
- Sold Dec 2025£205,000 | 3 Bed House26, William Street, Caerphilly, CF83 8DQ26, William Street, Caerphilly, CF83 8DQ
Schools Nearby
Public Transport Nearby
The closest station to CF83 8FX is Energlyn & Churchill Park station, which is 3.6 kilometres away.
- Energlyn & Churchill Park|3.6 km away
- Caerphilly|3.7 km away
- Llanbradach|3.8 km away
- Aber|4.1 km away
