Our Data Sources
1, Lon-Y-Deri, Caerphilly has no records in the Land Registry and a single entry in the EPC database dated August 2014.
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 1, Lon-Y-Deri, Caerphilly, we estimate a market value of £296,971 and a rental value of £1,580 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £263,031 and £1,399 per month respectively.
Plot Size
HM Land Registry records the plot of land for 1, Lon-Y-Deri, Caerphilly as measuring 249 m2.
That makes it the 8th largest plot in the postcode, where 23 of the 25 other houses have recorded plot data.
Energy Efficiency
1, Lon-Y-Deri, Caerphilly has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 13 Aug 2014.
The property is not 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 2020 169 properties similar to 1, Lon-Y-Deri, Caerphilly have sold within a radius of 610 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 30th April 2026, was 249, Nantgarw Road, Caerphilly, CF83 1BU, a freehold house which sold for £203,000.
Read more about house prices in CF83.
- Sold Apr 2026£203,000 | 3 Bed House249, Nantgarw Road, Caerphilly, CF83 1BU249, Nantgarw Road, Caerphilly, CF83 1BU
- Sold Apr 2026£269,000 | 3 Bed House10, Cae'R Fferm, Caerphilly, CF83 2QD10, Cae'R Fferm, Caerphilly, CF83 2QD
- Sold Nov 2025£270,000 | 3 Bed House1, Lon Robin Goch, Caerphilly, CF83 2QN1, Lon Robin Goch, Caerphilly, CF83 2QN
- Sold Oct 2025£265,000 | 3 Bed House5, Lon Uchaf, Caerphilly, CF83 1BR5, Lon Uchaf, Caerphilly, CF83 1BR
- Sold Jun 2025£255,000 | 3 Bed House19, St. Teilos Way, Caerphilly, CF83 1FA19, 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 £294,421, ranging from £272,570 to £391,110.
- 7 Lon-Y-Gors
4 Bed House | 19 m | Est. Value: £391,110
- 1 Lon-Y-Gors
3 Bed House | 25 m | Est. Value: £296,137
- 9 Lon-Y-Deri
3 Bed House | 33 m | Est. Value: £302,404
- 10 Lon-Y-Deri
3 Bed House | 34 m | Est. Value: £303,986
- 14 Lon-Y-Deri
3 Bed House | 37 m | Est. Value: £272,570
Location Comparison
Of the 25 addresses on Lon-Y-Deri, Caerphilly, CF83, 1, Lon-Y-Deri, Caerphilly comes out as the 10th largest and the 10th most expensive in our analysis of the public data.
It is also £52k more expensive than the average property across the CF83 district.
More reading links
Schools Nearby
Public Transport Nearby
- Aber|400 m away
- Caerphilly|1.1 km away
- Energlyn & Churchill Park|1.3 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.












