Our Data Sources
12, Lon-Y-Llyn, Caerphilly has no records in the Land Registry and a single entry in the EPC database dated August 2015.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium 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 12, Lon-Y-Llyn, Caerphilly, we estimate a market value of £320,936 and a rental value of £1,663 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £284,257 and £1,473 per month respectively.
Plot Size
HM Land Registry records the plot of land for 12, Lon-Y-Llyn, Caerphilly as measuring 223 m2.
That makes it the 8th largest plot in the postcode, where 14 of the 15 other houses have recorded plot data.
Energy Efficiency
12, Lon-Y-Llyn, Caerphilly has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 18 Aug 2015.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Since 2017 93 properties similar to 12, Lon-Y-Llyn, Caerphilly have sold within a radius of 630 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 7th May 2026, was 73, St. Davids Way, Caerphilly, CF83 1EZ, a freehold house which sold for £220,000.
Read more about house prices in CF83.
- Sold May 2026£220,000 | 3 Bed House73, St. Davids Way, Caerphilly, CF83 1EZ73, St. Davids Way, Caerphilly, CF83 1EZ
- Sold Nov 2025£375,000 | 3 Bed House82, St. Davids Way, Caerphilly, CF83 1EZ82, St. Davids Way, Caerphilly, CF83 1EZ
- Sold Oct 2025£290,000 | 4 Bed House6, Bryngwyn, Caerphilly, CF83 1ET6, Bryngwyn, Caerphilly, CF83 1ET
- Sold Aug 2025£302,500 | 4 Bed House48, Heol Trecastell, Caerphilly, CF83 1AE48, Heol Trecastell, Caerphilly, CF83 1AE
- Sold Feb 2025£375,000 | 3 Bed House57, St. Teilos Way, Caerphilly, CF83 1FA57, St. Teilos Way, Caerphilly, CF83 1FA
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £247,685, ranging from £204,594 to £286,905.
- 14 Lon-Y-Llyn
3 Bed House | 11 m | Est. Value: £277,545
- 16 Lon-Y-Llyn
3 Bed House | 18 m | Est. Value: £279,047
- 4 St. Christophers Drive
3 Bed House | 30 m | Est. Value: £207,083
- 18 Lon-Y-Llyn
3 Bed House | 32 m | Est. Value: £269,916
- 8 St. Christophers Drive
3 Bed House | 32 m | Est. Value: £224,373
Location Comparison
Of the 30 addresses on Lon-Y-Llyn, Caerphilly, CF83, 12, Lon-Y-Llyn, Caerphilly comes out as the 6th largest and the 10th most expensive in our analysis of the public data.
It is also £75k more expensive than the average property across the CF83 district.
More reading links
Schools Nearby
Public Transport Nearby
- Aber|500 m away
- Caerphilly|900 m away
- Energlyn & Churchill Park|1.4 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
