21 Gellifaelog Terrace, Penydarren, Merthyr Tydfil, CF47 9HL is a freehold terraced property built between 1900-1929. The property offers approximately 958 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 £123,955 , which equates to approximately £129 per square foot. It was last sold on 18 Jun 2025 for £133,000. Since then, the value has decreased by £9,045, representing a 6.8% decrease, or approximately 13.4% per year.

The current estimated value of £123,955 is:

  • 1.7% lower than the average property price on Gellifaelog Terrace
  • 1.8% lower than the average in the CF47 9HL postcode area
  • and 30.5% lower than the average price for Merthyr Tydfil 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 7 January 2025, the property was recorded as owner-occupied.

View sold house prices in CF47 9HL

Building approximate location

About Property

Type
Terraced House
Built
1900-1929
Interior Size
958 sq ft
Tenure
Freehold
Price (estimate)
£123,955
Price Per sq ft (estimate)
£129
Bedroom Count (estimate)
3 bedrooms

EPC Summary

21 Gellifaelog Terrace, Penydarren, Merthyr Tydfil, CF47 9HL has an Energy Performance Certificate (EPC) rating of C, based on the latest assessment carried out on 7 Jan 2025.

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 21 Apr 2017, when the property was rated E. Since then, the rating has improved to C, with the energy efficiency score increasing by 32.1%.

Since the previous assessment, several changes were observed:

  • The roof construction or insulation changed from pitched, no insulation (assumed) to pitched, 200 mm loft insulation, improving energy efficiency from very poor to good.
  • The lighting was updated from low energy lighting in 8% of fixed outlets to low energy lighting in 92% of fixed outlets, with efficiency improving from very poor to very good.
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Roof
Pitched, 200 mm loft insulation
Good
Walls
Sandstone or limestone, as built, no insulation (assumed)
Poor
Windows
Fully double glazed
Average
Lighting
Low energy lighting in 92% of fixed outlets
Very Good

Compared to CF47 9HL

15 th / 21
Price Rank
2% lower than average
7 th / 18
Size Rank
1% smaller than average
13 th / 18
Price Per Sq FT Rank
1% lower than average

Compared to other properties in CF47 9HL , this house's estimated value ranks 15th out of 21. Based on price per square foot, it ranks 13th out of 18 properties. This indicates a lower price per square foot than most, suggesting good value for the space offered. In terms of size, this home ranks 7th out of 18 properties in its postcode area.

Sale History

Today
£123,955
streetscan.co.uk estimate
-7 %
18 Jun 2025
£133,000
Leasehold
+56.5 %
25 Aug 2017
£85,000
Leasehold

Area Insights

Similar Properties Sold Nearby

rooms: 5
size: 1087 sq ft
sale price: £120,000
sale date: 13 Feb 2025
rooms: 5
size: 915 sq ft
sale price: £155,550
sale date: 19 Aug 2024
rooms: 4
size: 958 sq ft
sale price: £150,000
sale date: 6 Jun 2024
rooms: 4
size: 872 sq ft
sale price: £105,000
sale date: 26 May 2023
rooms: 4
size: 818 sq ft
sale price: £145,000
sale date: 5 Apr 2023

Data Sources

The property at 21 Gellifaelog Terrace, Penydarren, Merthyr Tydfil, CF47 9HL appears two times in the Land Registry records, with the latest transaction recorded on 18 Jun 2025. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 7 Jan 2025. 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.