31 Castle Street, Abertillery, NP13 1DW is a freehold terraced property built between 1900-1929. The property offers approximately 829 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 £55,085 , which equates to approximately £66 per square foot. It was last sold on 20 Nov 1998 for £10,500. Since then, the value has increased by £44,585, representing a 424.6% increase, or approximately 15.7% per year.

The current estimated value of £55,085 is:

  • 45.4% lower than the average property price on Castle Street
  • 39.4% lower than the average in the NP13 1DW postcode area
  • and 57.0% lower than the average price for Abertillery 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 15 October 2025, the property was recorded as owner-occupied.

View sold house prices in NP13 1DW

Building approximate location

About Property

Type
Terraced House
Built
1900-1929
Interior Size
829 sq ft
Tenure
Freehold
Price (estimate)
£55,085
Price Per sq ft (estimate)
£66
Bedroom Count (estimate)
2 bedrooms

EPC Summary

31 Castle Street, Abertillery, Blaenau Gwent, NP13 1DW has an Energy Performance Certificate (EPC) rating of D, based on the latest assessment carried out on 15 Oct 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 mostly double glazed.

The previous EPC assessment was conducted on 28 Mar 2014, when the property was rated E. Since then, the rating has improved to D, with the energy efficiency score increasing by 24.5%.

Since the previous assessment, several changes were observed:

  • The hot water system was changed from from main system, no cylinder thermostat to from main system, with its energy efficiency improving from average to good.
  • The roof construction or insulation changed from pitched, 100 mm loft insulation to pitched, 125 mm loft insulation, with no change in energy efficiency (average).
  • The wall construction or insulation changed from granite or whinstone, as built, no insulation (assumed) to sandstone, as built, no insulation (assumed), with no change in energy efficiency (very poor).
  • The lighting was changed from low energy lighting in 90% of fixed outlets to excellent lighting efficiency, with no change in efficiency (very good).
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Roof
Pitched, 125 mm loft insulation
Average
Walls
Sandstone, as built, no insulation (assumed)
Very Poor
Windows
Mostly double glazing
Average
Lighting
Excellent lighting efficiency
Very Good

Compared to NP13 1DW

14 th / 18
Price Rank
39% lower than average
6 th / 16
Size Rank
9% bigger than average
15 th / 16
Price Per Sq FT Rank
44% lower than average

Compared to other properties in NP13 1DW , this house's estimated value ranks 14th out of 18. Based on price per square foot, it ranks 15th out of 16 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 6th out of 16 properties in its postcode area.

Sale History

Today
£55,085
streetscan.co.uk estimate
+425 %
20 Nov 1998
£10,500
Leasehold

Area Insights

Similar Properties Sold Nearby

rooms: 3
size: 743 sq ft
sale price: £74,000
sale date: 6 Aug 2021
rooms: 3
size: 789 sq ft
sale price: £48,000
sale date: 2 Mar 2015
rooms: 4
size: 797 sq ft
sale price: £55,000
sale date: 22 Jun 2007
rooms: 3
size: 753 sq ft
sale price: £18,200
sale date: 14 Mar 2003
rooms: 4
size: 840 sq ft
sale price: £86,000
sale date: 10 Jan 2025

Data Sources

The property at 31 Castle Street, Abertillery, Blaenau Gwent, NP13 1DW appears once in the Land Registry records, with the transaction recorded on 20 Nov 1998. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 15 Oct 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.


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