Our Data Sources
17, Trem Y Castell, Caerphilly has 51 entries in the Land Registry, most recently in October 2019 and a single entry in the EPC database dated September 2013.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
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 17, Trem Y Castell, Caerphilly, we estimate a market value of £353,839 and a rental value of £1,735 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £313,401 and £1,536 per month respectively.
Plot Size
HM Land Registry records the plot of land for 17, Trem Y Castell, Caerphilly as measuring 225 m2.
That makes it the 7th largest plot in the postcode, where 19 of the 20 other houses have recorded plot data.
Energy Efficiency
17, Trem Y Castell, Caerphilly has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 12 Sep 2013.
The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 17, Trem Y Castell, Caerphilly completed on 11th October 2019 at £270,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 5 times.
Values of comparable properties have risen by 7.6% over the period since October 2019.
- Sold Oct 2019£270,000
- Sold Jun 2017£239,950
- Sold Nov 2014£220,000
Similar Properties Sold Nearby
Since 2017 248 properties similar to 17, Trem Y Castell, Caerphilly have sold within a radius of 890 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 20th November 2025, was 18, Trem Y Castell, Caerphilly, CF83 1TH, a freehold house which sold for £325,000.
Read more about house prices in CF83.
- Sold Nov 2025£325,000 | 4 Bed House18, Trem Y Castell, Caerphilly, CF83 1TH18, Trem Y Castell, Caerphilly, CF83 1TH
- Sold Oct 2025£340,000 | 4 Bed House5, Beech Close, Caerphilly, CF83 1SF5, Beech Close, Caerphilly, CF83 1SF
- Sold Oct 2025£350,000 | 3 Bed House3, Clos Gwynle, Caerphilly, CF83 1TU3, Clos Gwynle, Caerphilly, CF83 1TU
- Sold Jun 2025£435,000 | 4 Bed House15, Gwaun Y Cwrt, Caerphilly, CF83 1TJ15, Gwaun Y Cwrt, Caerphilly, CF83 1TJ
- Sold May 2025£375,000 | 4 Bed House76, Cwrt Nant Y Felin, Caerphilly, CF83 1TP76, Cwrt Nant Y Felin, Caerphilly, CF83 1TP
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 £290,376, ranging from £242,474 to £339,456.
- 18 Trem Y Castell
4 Bed House | 9 m | Est. Value: £335,362
- 19 Trem Y Castell
3 Bed House | 17 m | Est. Value: £285,951
- 15 Trem Y Castell
4 Bed House | 23 m | Est. Value: £314,982
- 13 Trem Y Castell
3 Bed House | 25 m | Est. Value: £264,383
- 16 Trem Y Castell
3 Bed House | 26 m | Est. Value: £255,837
Location Comparison
Of the 20 addresses on Trem Y Castell, Caerphilly, CF83, 17, Trem Y Castell, Caerphilly comes out as the 6th largest and the 5th most expensive in our analysis of the public data.
It is also £106k more expensive than the average property across the CF83 district.
More reading links
Schools Nearby
Public Transport Nearby
- Aber|1.3 km away
- Caerphilly|2.0 km away
- Energlyn & Churchill Park|2.0 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.












