25 Mary Street, Trethomas, Caerphilly, CF83 8HN is a freehold terraced property built before 1900. The property offers approximately 786 square feet of living space. In this location, properties of similar size usually have two bedrooms.

The estimated current market value of the property is £167,928 , which equates to approximately £214 per square foot. It was last sold on 4 Oct 2019 for £115,500. Since then, the value has increased by £52,428, representing a 45.4% increase, or approximately 7.3% per year.

The current estimated value of £167,928 is:

  • 18.4% higher than the average property price on Mary Street
  • 0.1% higher than the average in the CF83 8HN postcode area
  • and 39.9% lower than the average price for Caerphilly as a whole

This property has had 2 EPC inspections with recorded tenure information. It was recorded as owner-occupied both times. This suggests the property has typically been lived in by its owners, which often reflects longer-term residency and more consistent maintenance.

At the most recent EPC inspection on 24 September 2019, the property was recorded as owner-occupied.

View sold house prices in CF83 8HN

Building approximate location

About Property

Type
Terraced House
Built
before 1900
Interior Size
786 sq ft
Tenure
Freehold
Price (estimate)
£167,928
Price Per sq ft (estimate)
£214
Bedroom Count (estimate)
2 bedrooms

EPC Summary

25 Mary Street, Trethomas, Caerphilly, Mid Glamorgan, CF83 8HN has an Energy Performance Certificate (EPC) rating of D, based on the latest assessment carried out on 24 Sep 2019.

This property uses a gas-fired boiler and radiators, connected to the mains gas supply, as its main heating source. Hot water is provided from main heating system. The windows have partial double glazing.

The previous EPC assessment was conducted on 11 Mar 2009. The rating of D remains the same, but the energy efficiency score improved by 9.8%.

Since the previous assessment, several changes were observed:

  • The roof construction or insulation changed from pitched, 150 mm loft insulation to pitched, 250 mm loft insulation, with no change in energy efficiency (good).
  • The wall construction or insulation changed from solid brick, as built, no insulation (assumed) to granite or whinstone, as built, no insulation (assumed), with no change in energy efficiency (very poor).
  • The lighting was changed from low energy lighting in 70% of fixed outlets to low energy lighting in all fixed outlets, with no change in efficiency (very good).
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Roof
Pitched, 250 mm loft insulation
Good
Walls
Granite or whinstone, as built, no insulation (assumed)
Very Poor
Windows
Partial double glazing
Average
Lighting
Low energy lighting in all fixed outlets
Very Good

Compared to CF83 8HN

16 th / 38
Price Rank
0% same as average
32 nd / 34
Size Rank
15% smaller than average
3 rd / 34
Price Per Sq FT Rank
18% higher than average

Compared to other properties in CF83 8HN , this house's estimated value ranks 16th out of 38. Based on price per square foot, it ranks 3rd out of 34 properties. This suggests a relatively high price per square foot, which may reflect quality, location, or recent upgrades. In terms of size, this home ranks 32th out of 34 properties in its postcode area.

Sale History

Today
£167,928
streetscan.co.uk estimate
+45 %
4 Oct 2019
£115,500
Leasehold
+41.7 %
2 Sep 2013
£81,500
Leasehold
+7.2 %
19 Jun 2009
£76,000
Leasehold
+94.9 %
31 Mar 2000
£39,000
Leasehold

Area Insights

Similar Properties Sold Nearby

rooms: 5
size: 775 sq ft
sale price: £129,000
sale date: 2 Sep 2025
rooms: 4
size: 883 sq ft
sale price: £180,000
sale date: 8 Mar 2024
rooms: 4
size: 840 sq ft
sale price: £150,000
sale date: 29 Sep 2023
rooms: 4
size: 829 sq ft
sale price: £146,500
sale date: 11 Apr 2023
rooms: 4
size: 840 sq ft
sale price: £109,000
sale date: 14 Dec 2018

Data Sources

The property at 25 Mary Street, Trethomas, Caerphilly, CF83 8HN appears four times in the Land Registry records, with the latest transaction recorded on 4 Oct 2019. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 24 Sep 2019. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.


Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.