Our Data Sources
53, William Street, Caerphilly has 41 entries in the Land Registry, most recently in November 2025 and a single entry in the EPC database dated June 2025.
We combine this information with that 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.
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 53, William Street, Caerphilly, we estimate a market value of £276,644 and a rental value of £1,565 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £245,027 and £1,386 per month respectively.
Plot Size
HM Land Registry records the plot of land for 53, William Street, Caerphilly as measuring 339 m2.
That makes it the 2nd largest plot in the postcode, where 23 of the 28 other houses have recorded plot data.
Energy Efficiency
53, William Street, Caerphilly has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 04 Jun 2025.
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
The most recent sale of 53, William Street, Caerphilly completed on 12th November 2025 at £255,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 4 times.
Values of comparable properties have risen by 21.4% over the period since November 2025.
- Sold Nov 2025£255,000
- Sold Feb 2005£173,000
- Sold Aug 2003£129,950
Similar Properties Sold Nearby
Since 2018 49 properties similar to 53, William Street, Caerphilly have sold within a radius of 1.1 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 30th January 2026, was 10, Summerfield Lane, Caerphilly, CF83 8RE, a freehold house which sold for £285,000.
Read more about house prices in CF83.
- Sold Jan 2026£285,000 | 3 Bed House10, Summerfield Lane, Caerphilly, CF83 8RE10, Summerfield Lane, Caerphilly, CF83 8RE
- Sold Jan 2026£270,000 | 3 Bed House26, St. Davids Drive, Caerphilly, CF83 8RH26, St. Davids Drive, Caerphilly, CF83 8RH
- Sold Dec 2025£220,000 | 3 Bed House11, Tyn Y Wern Terrace, Caerphilly, CF83 8FP11, Tyn Y Wern Terrace, Caerphilly, CF83 8FP
- Sold Sep 2025£280,000 | 3 Bed House7, St. Margarets Close, Caerphilly, CF83 8BH7, St. Margarets Close, Caerphilly, CF83 8BH
- Sold Jul 2025£268,000 | 3 Bed House24, Summerfield Lane, Caerphilly, CF83 8RE24, Summerfield Lane, Caerphilly, CF83 8RE
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 £210,421, ranging from £162,775 to £341,568.
- 55 William Street
3 Bed House | 11 m | Est. Value: £253,055
- 51 William Street
4 Bed House | 11 m | Est. Value: £341,568
- 52 William Street
3 Bed House | 37 m | Est. Value: £177,316
- 31 Standard Street
4 Bed House | 38 m | Est. Value: £218,880
- 30 Standard Street
3 Bed House | 38 m | Est. Value: £195,487
Location Comparison
Of the 71 addresses on William Street, Trethomas, Caerphilly, CF83, 53, William Street, Caerphilly comes out as the 50th largest and the 2nd most expensive in our analysis of the public data.
It is also £33k more expensive than the average property across the CF83 district.
More reading links
Schools Nearby
Public Transport Nearby
- Energlyn & Churchill Park|3.6 km away
- Caerphilly|3.7 km away
- Llanbradach|3.8 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.
