Our Data Sources
39, Mary Street, Caerphilly has 51 entries in the Land Registry, most recently in April 2023 and a single entry in the EPC database dated April 2017.
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
In very good condition, we estimate 39, Mary Street, Caerphilly would be worth £171,887, with a potential rental value of £1,210 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £152,243, with a rental value of £1,071 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
39, Mary Street, Caerphilly occupies a 110 m2 plot as recorded by HM Land Registry.
Of the 50 other houses in this postcode, 47 have recorded plot sizes, and this one ranks as the 20th largest.
Energy Efficiency
39, Mary Street, Caerphilly has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 22 Apr 2017.
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
39, Mary Street, Caerphilly last changed hands on 11th April 2023, selling for £146,500. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 5 times since 1995.
The market for similar properties has risen by 33.2% since April 2023.
- Sold Apr 2023£146,500
- Sold Sep 2007£110,000
- Sold Jun 2005£92,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 148 sales of comparable properties within 1.1 kilometres of 39, Mary Street, Caerphilly since 2021.
Most recently, 12, Coronation Street, Caerphilly, CF83 8DL, a freehold house, sold at £149,000 on the 8th April 2026.
Read more about house prices in CF83.
- Sold Apr 2026£149,000 | 3 Bed House12, Coronation Street, Caerphilly, CF83 8DL12, Coronation Street, Caerphilly, CF83 8DL
- Sold Mar 2026£188,000 | 3 Bed House42, Mary Street, Caerphilly, CF83 8HN42, Mary Street, Caerphilly, CF83 8HN
- Sold Feb 2026£170,000 | 3 Bed House44, Mary Street, Caerphilly, CF83 8HN44, Mary Street, Caerphilly, CF83 8HN
- Sold Feb 2026£155,000 | 3 Bed House15, Coronation Street, Caerphilly, CF83 8DL15, Coronation Street, Caerphilly, CF83 8DL
- Sold Oct 2025£154,000 | 3 Bed House6, William Street, Caerphilly, CF83 8DQ6, William Street, Caerphilly, CF83 8DQ
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 £172,220, ranging from £164,670 to £189,041.
- 37 Mary Street
3 Bed House | 5 m | Est. Value: £173,085
- 41 Mary Street
3 Bed House | 6 m | Est. Value: £164,670
- 35 Mary Street
3 Bed House | 10 m | Est. Value: £180,168
- 43 Mary Street
3 Bed House | 10 m | Est. Value: £171,259
- 33 Mary Street
3 Bed House | 16 m | Est. Value: £169,108
Location Comparison
Our analysis of the public data ranks 39, Mary Street, Caerphilly as the 46th largest and the 46th most expensive of the 50 addresses on Mary Street, Trethomas, Caerphilly, CF83.
Against the CF83 postcode district average, it is £69k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Caerphilly|3.4 km away
- Energlyn & Churchill Park|3.5 km away
- Llanbradach|3.7 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












