42, Mary Street
42, Mary Street
Description & Estimates
According to the public record, 42, Mary Street, Caerphilly is a period freehold house with 850 ft2 of internal area and sits on a 111 m2 plot.
Houses of this size in this area normally have 3 bedrooms with a garden.
Based on available information, and assuming reasonable condition, the estimated sale value for 42, Mary Street, Caerphilly is £161,944 and the estimated rental value is £1,117 per month.
Mary Street, Trethomas, Caerphilly, CF83 is located within the CF83 postal district.
Our Data Sources
42, Mary Street, Caerphilly has 3 entries in the Land Registry , most recently in March 2026 and a single entry in the EPC database dated February 2026.
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.
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 42, Mary Street, Caerphilly is in very good condition we estimate a sale value of £170,041 and a rental value of £1,173 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £150,608 and a rental value of £1,039 per month.
Recent Market Change
Over the past 12 months, the estimated sale value of 42, Mary Street, Caerphilly has moved up by £1,422 (0.9%), while its estimated rental value has increased by £43 per month (3.9%). Based on current estimates, the property offers a gross rental yield of 8.3%.
Plot Size
According to data from HM Land Registry, 42, Mary Street, Caerphilly sits on a plot of 111 m2.
We have plot size data on 47 out of 50 other houses in the postcode and 42, Mary Street, Caerphilly sits on the 10th largest plot.
Energy Efficiency
42, Mary Street, Caerphilly has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 06 Feb 2026.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 42, Mary Street, Caerphilly was last sold on 23rd March 2026 for £188,000 and was recorded as a freehold house.
The property has had 3 sales since 1995.
Since March 2026, the market for similar properties has risen by 20.3%.
- Sold Mar 2026£188,000
- Sold Sep 2025£129,000
- Sold Nov 2016£21,700
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 42, Mary Street, Caerphilly within a radius of 1.1 kilometres over the last 2 years.
The most recent example is 47, Mary Street, Caerphilly, CF83 8HN, a freehold house which sold for £141,000 on the 30th April 2025.
Read more about house prices in CF83.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Mary Street, Trethomas, Caerphilly, CF83 has a total of 50 addresses. According to our analysis of all the public data, 42, Mary Street, Caerphilly is the 41st largest and the 41st most expensive property on the street.
When compared to the postcode district it is £67k less expensive than the average property in CF83.
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Schools Nearby
Public Transport Nearby
The closest station to 42, Mary Street, Caerphilly is Caerphilly station, which is 3.4 kilometres away.
- 3.4kmCaerphilly
- 3.5kmEnerglyn & Churchill Park
- 3.7kmLlanbradach
Available Internet Speeds
According to recent data from Ofcom, ultrafast broadband is available in this area.
According to recent data from Ofcom, Ultrafast broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be very low.
