25 Windsor Place, Treharris, CF46 5AD is a freehold terraced property built between 1900-1929. The property offers approximately 883 square feet of living space. In this location, properties of similar size usually have three bedrooms.

The estimated current market value of the property is £135,982 , which equates to approximately £154 per square foot. It was last sold on 30 Jun 2021 for £115,000. Since then, the value has increased by £20,982, representing a 18.2% increase, or approximately 3.7% per year.

The current estimated value of £135,982 is:

  • 5.8% higher than the average property price on Windsor Place
  • 6.7% higher than the average in the CF46 5AD postcode area
  • and 11.8% lower than the average price for Treharris 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 6 January 2026, the property was recorded as owner-occupied.

View sold house prices in CF46 5AD

Building approximate location

About Property

Type
Terraced House
Built
1900-1929
Interior Size
883 sq ft
Tenure
Freehold
Price (estimate)
£135,982
Price Per sq ft (estimate)
£154
Bedroom Count (estimate)
3 bedrooms

EPC Summary

25 Windsor Place, Treharris, Merthyr Tydfil, CF46 5AD has an Energy Performance Certificate (EPC) rating of D, based on the latest assessment carried out on 6 Jan 2026.

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 are fully double glazed.

The previous EPC assessment was conducted on 5 Jun 2015. The rating of D remains the same, but the energy efficiency score improved by 1.6%.

Since the previous assessment, several changes were observed:

  • The wall construction or insulation changed from sandstone or limestone, as built, no insulation (assumed) to sandstone, as built, no insulation (assumed), with no change in energy efficiency (very poor).
  • The lighting was updated from low energy lighting in 80% of fixed outlets to below average lighting efficiency, with efficiency changing from very good to average.
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Roof
Pitched, 150 mm loft insulation
Good
Walls
Sandstone, as built, no insulation (assumed)
Very Poor
Windows
Fully double glazed
Average
Lighting
Below average lighting efficiency
Average

Compared to CF46 5AD

9 th / 17
Price Rank
7% higher than average
3 rd / 11
Size Rank
1% smaller than average
5 th / 11
Price Per Sq FT Rank
8% higher than average

Sale History

Today
£135,982
streetscan.co.uk estimate
+18 %
30 Jun 2021
£115,000
Freehold
+32.2 %
5 May 2017
£87,000
Freehold
+16 %
8 Dec 2006
£75,000
Freehold
+136.2 %
3 Jul 2000
£31,750
Freehold

Flood Risk for this Property

Flood risk from rivers and the sea
Very low flood risk
Flood risk from surface water
Very low flood risk
Surface water flood hazard
No mapped risk

* Results are based on Environment Agency flood risk mapping for the property UPRN where available. They are indicative and should not be treated as a site-specific flood survey.

Flood risk from rivers and the sea

This property has very low flood risk from rivers and the sea.

River and sea flooding includes flooding caused by overflowing rivers, estuaries, tidal waters and coastal surges.

Flood risk from surface water

This property has very low surface water flood risk.

Surface water flooding can happen when heavy rainfall overwhelms drains, roads, gardens or other hard surfaces.

Flood depth indicators

Rivers and Sea
  • 0.2m depth No mapped risk
  • 0.3m depth No mapped risk
  • 0.6m depth No mapped risk
  • 0.9m depth No mapped risk
  • 1.2m depth No mapped risk
Surface Water
  • 0.2m depth No mapped risk
  • 0.3m depth No mapped risk
  • 0.6m depth No mapped risk
  • 0.9m depth No mapped risk
  • 1.2m depth No mapped risk

Area Insights

Similar Properties Sold Nearby

rooms: 4
size: 840 sq ft
sale price: £108,000
sale date: 25 Sep 2025
rooms: 4
size: 807 sq ft
sale price: £148,000
sale date: 14 Mar 2025
rooms: 4
size: 861 sq ft
sale price: £120,000
sale date: 4 Sep 2024
rooms: 4
size: 861 sq ft
sale price: £93,500
sale date: 10 Nov 2017
rooms: 4
size: 832 sq ft
sale price: £74,500
sale date: 28 Jan 2008

Data Sources

The property at 25 Windsor Place, Treharris, CF46 5AD appears four times in HM Land Registry records, with the latest transaction recorded on 30 Jun 2021. It also has two Energy Performance Certificate (EPC) records, the earliest dating back to 6 Jan 2026. We use this information to estimate the property's characteristics, flood risk profile and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0 .

StreetScan.co.uk is not affiliated with, endorsed by, or associated with HM Land Registry, DESNZ, MHCLG, Defra or the Environment Agency.


Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure that the information provided on this website is current and accurate. However, no warranties or representations are made regarding its completeness, accuracy, suitability or reliability. Property values, flood risk assessments and other derived information are estimates based on publicly available datasets and should not be relied upon as professional, legal, surveying, environmental, financial or insurance advice. StreetScan.co.uk expressly disclaims all liability for any loss, damage, cost or expense arising directly or indirectly from the use of, or reliance upon, information provided on this website.