21, Upper Mill, SA15 3RY

21 Upper Mill is a 207 m² / 2,228 sq ft property in Llanelli. It sold for £325,000 in April 2017. Indexed forward to today's value, that sale is roughly £507k. Recent local prices imply a broad valuation context of £248k to £385k based on its internal area. The Land Registry and EPC data was last updated 1 June 2026.

Property data
Sale history
£325,000 on Apr 2017

*This price paid record has been flagged by Land Registry as a 'Category B: Additional Price Paid entry'. This could be due to a variety of reasons, such as the sale being a buy-to-let purchase, a repossession or a transfer to a limited company. When Land Registry suspects that a sale does not reflect full market value (e.g. part-ownership or right to buy), these transactions can be flagged as well. For this reason, we exclude them from our area statistics.

Internal area
207 square metres (2,228 square feet) according to latest EPC inspection
Price per internal area

This property sold for £1,570 per square metre (£146 per square foot) in Apr 2017. Indexed forward to today's value, this is roughly £2,450 per square metre (£228 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Apr 2017 £325,000 £1,570 £507,063 £2,450

Calculated using the latest EPC internal area of 207 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 £507,063. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Llanelli are now selling for between £1,200 and £1,860 per square metre (£111 and £172 per square foot). Based on an internal area of 207 m², this implies a valuation between £248,000 and £385,000. 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
Other
Council tax band
F
Plot size
2,273 square metres (24,466 square feet) - map showing freehold boundary lines
Planning applications
Planning ref:
May 2012 S/26371
Type:
Full and householder planning application
Status:
Application approved
Address:
21 UPPER MILL, LLANELLI,
Description:
PROPOSED DEMOLITION OF EXISTING CONSERVATORY AND CONSTRUCTION OF FIRST FLOOR SITING AND DINING ROOM SIDE EXTENSION
EPC Inspections
Summary:
03 June 2016 - energy performance certificate grade D
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
marketed sale
Tenure:
Owner-occupied
Property type:
Detached House , has 9 habitable rooms. Estimated year built 1900 to 1929
Area:
207 sqm (2,228 square foot) total internal area
Comments:
Walls: Sandstone or limestone, as built, no insulation (assumed). Roof: Pitched, 250 mm loft insulation. Heating: Boiler and radiators, mains gas.
Frequently asked questions

21 Upper Mill 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 £507,063.
  • Based on an internal area of 207 m² and recent prices in Llanelli, this implies a lower and upper quartile range from £248,000 to £385,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 21 Upper Mill last sold for £325,000 in April 2017.

HouseMetric shows 21 Upper Mill as 207 m² (2,228 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 03 June 2016. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 21 Upper Mill was in council tax band F. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

21 Upper Mill is in postcode SA15 3RY, in Llanelli. You can also view HouseMetric's sold-price page for Upper Mill, SA15 3RY or analysis of the Llanelli 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.