Our Data Sources
20, The Avenue, Caerphilly has no recent1 records in the Land Registry and a single entry in the EPC database dated January 2026.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 20, The Avenue, Caerphilly is in very good condition we estimate a sale value of £176,804 and a rental value of £1,258 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £156,598 and a rental value of £1,114 per month.
Plot Size
According to data from HM Land Registry, 20, The Avenue, Caerphilly sits on a plot of 114 m2.
We have plot size data on 16 out of 20 other houses in the postcode and 20, The Avenue, Caerphilly sits on the 11th largest plot.
Energy Efficiency
20, The Avenue, Caerphilly has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 05 Jan 2026.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
According to HM Land Registry, 20, The Avenue, Caerphilly was last sold on 10th November 1995 for £29,500 and was recorded as a leasehold house.
The property has only had this single sale since 1995.
- Sold Nov 1995£29,500
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 24 sales of properties similar to 20, The Avenue, Caerphilly within a radius of 1.0 kilometres since 2007.
The most recent example is 11, Clos Pantglas, Caerphilly, CF83 8BX, a freehold house which sold for £165,000 on the 1st November 2024.
Read more about house prices in CF83.
- Sold Nov 2024£165,000 | 2 Bed House11, Clos Pantglas, Caerphilly, CF83 8BX11, Clos Pantglas, Caerphilly, CF83 8BX
- Sold Sep 2023£122,000 | 3 Bed House93, James Street, Caerphilly, CF83 8FY93, James Street, Caerphilly, CF83 8FY
- Sold Apr 2022£150,000 | 3 Bed House4, Thomas Street, Caerphilly, CF83 8DP4, Thomas Street, Caerphilly, CF83 8DP
- Sold Jan 2022£125,000 | 3 Bed House70, William Street, Caerphilly, CF83 8FX70, William Street, Caerphilly, CF83 8FX
- Sold Oct 2021£131,750 | 2 Bed House12, Clos Pantglas, Caerphilly, CF83 8BX12, Clos Pantglas, Caerphilly, CF83 8BX
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 £209,177, ranging from £182,544 to £288,193.
- 14 The Avenue
3 Bed House | 16 m | Est. Value: £197,543
- 12 The Avenue
3 Bed House | 22 m | Est. Value: £189,148
- 10 The Avenue
3 Bed House | 27 m | Est. Value: £191,288
- 17 The Avenue
3 Bed House | 29 m | Est. Value: £185,881
- 15 The Avenue
3 Bed House | 30 m | Est. Value: £195,485
Location Comparison
The Avenue, Trethomas, Caerphilly, CF83 has a total of 20 addresses. According to our analysis of all the public data, 20, The Avenue, Caerphilly is the 20th largest and the 20th most expensive property on the street.
When compared to the postcode district it is £62k less expensive than the average property in CF83.
More reading links
Schools Nearby
Public Transport Nearby
- Caerphilly|3.2 km away
- Energlyn & Churchill Park|3.2 km away
- Aber|3.6 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












