Property data
Sale history
Date Paid price Tenure Annual growth After inflation
Sep 2021 £140,000 Freehold 1.7% -0.1%
Nov 2018 £133,500 Leasehold 5.8% 3.3%
Mar 2016 £115,000 Leasehold na na
Floor plan

Archived estate agent floor plan for 1, Thomas Street.

Floorplan 1
View floorplan
Internal area
124 square metres (1,335 square feet) according to latest EPC inspection
Price per internal area

This property sold for £1,129 per square metre (£105 per square foot) in Sep 2021. Indexed forward to today's value, this is roughly £1,542 per square metre (£143 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Sep 2021 £140,000 £1,129 £191,250 £1,542
Nov 2018 £133,500 £1,077 £208,858 £1,684
Mar 2016 £115,000 £927 £228,221 £1,840

Calculated using the latest EPC internal area of 124 m². Earlier sale dates may not have had the same measured area available.

Valuation
The most recent sale price indexed forward to today's value is £191,250. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Mountain Ash are now selling for between £1,030 and £1,560 per square metre (£95 and £144 per square foot). Based on an internal area of 124 m², this implies a valuation between £128,000 and £193,000. Treat this as context only. For a valuation using hand-picked comparable sales, use the Advanced search tool — create a shortlist of similar condition homes, then export a valuation report.
Bedrooms
3
Type
Terrace
Council tax band
A
Archived listings
History:
Archived sales listing for 1 Thomas Street. Advertised on multiple portals. It was added on 25/07/2018. It last appeared Nov 2018.
Photos:

There are 13 archived estate agent listing photos for 1 Thomas Street.

Photos for 1 Thomas Street
View photos
Advertiser remarks:
  • 3 bedrooms
  • 2 bathrooms
Planning applications
Planning ref:
December 2013 13/0716/FUL
Type:
Full and householder planning application
Status:
Application approved
Address:
171 Mill Road Cambridge Cambridgeshire
Description:
To take down existing walls, rebuild and create garden (retrospective).

Planning ref:
August 2010 09/0775/FUL
Type:
Full and householder planning application
Status:
Application approved
Address:
1 Thomas Street Miskin Mountain Ash
Description:
Take down existing walls, rebuild and make hardstand for off road parking. (Retrospective for excavated material).
EPC Inspections
Summary:
14 March 2023 - energy performance certificate grade D
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
None of the above
Tenure:
Owner-occupied
Property type:
End-Terrace House , has 5 habitable rooms. Estimated year built before 1900
Area:
123 sqm (1,324 square foot) total internal area
Comments:
Walls: Granite or whinstone, as built, no insulation (assumed). Roof: Pitched, no insulation (assumed). Heating: Boiler and radiators, mains gas.

Summary:
25 July 2018 - energy performance certificate grade D
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
marketed sale
Tenure:
Owner-occupied
Property type:
End-Terrace House , has 6 habitable rooms. Estimated year built 1900 to 1929
Area:
124 sqm (1,335 square foot) total internal area
Comments:
Walls: Granite or whinstone, as built, no insulation (assumed). Roof: Pitched, no insulation (assumed). Heating: Boiler and radiators, mains gas.

Summary:
19 January 2016 - energy performance certificate grade E
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
marketed sale
Tenure:
Owner-occupied
Property type:
End-Terrace House , has 5 habitable rooms. Estimated year built 1900 to 1929
Area:
123 sqm (1,324 square foot) total internal area
Comments:
Walls: Sandstone or limestone, as built, no insulation (assumed). Roof: Pitched, no insulation (assumed). Heating: Boiler and radiators, mains gas.

Summary:
02 October 2013 - energy performance certificate grade F
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
None of the above
Tenure:
Owner-occupied
Property type:
End-Terrace House , has 5 habitable rooms. Estimated year built 1900 to 1929
Area:
123 sqm (1,324 square foot) total internal area
Comments:
Walls: Granite or whinstone, as built, no insulation (assumed). Roof: Pitched, no insulation (assumed). Heating: Boiler and radiators, mains gas.
Frequently asked questions

1 Thomas Street is worth whatever price a willing buyer and seller agree upon. However, the following can provide useful context.

  • HouseMetric estimates the most recent sale price indexed forward to today's value is £191,250.
  • Based on an internal area of 124 m² and recent prices in Mountain Ash, this implies a lower and upper quartile range from £128,000 to £193,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 1 Thomas Street last sold for £140,000 in September 2021.

HouseMetric shows 1 Thomas Street as 124 m² (1,335 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 3 bedrooms. Bedroom numbers can come from a previous estate agency listing, an EPC record, or an estimate based on the size of the property.

The latest EPC rating shown by HouseMetric is D, from an inspection dated 14 March 2023. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 1 Thomas Street was in council tax band A. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

1 Thomas Street is in postcode CF45 3BU, in Mountain Ash. You can also view HouseMetric's sold-price page for Thomas Street, CF45 3BU or analysis of the Mountain Ash property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 1 June 2026. Figures such as indexed values and local valuation ranges are calculated estimates for context, while official records can change as public datasets are updated.

For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.