Property data
Sale history
£295,000 on Mar 2023
Internal area
136 square metres (1,464 square feet) according to latest EPC inspection
Price per internal area

This property sold for £2,169 per square metre (£202 per square foot) in Mar 2023. Indexed forward to today's value, this is roughly £2,303 per square metre (£214 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Mar 2023 £295,000 £2,169 £313,149 £2,303

Calculated using the latest EPC internal area of 136 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 £313,149. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Porthmadog are now selling for between £1,710 and £3,080 per square metre (£158 and £286 per square foot). Based on an internal area of 136 m², this implies a valuation between £233,000 and £419,000. 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
na
Type
Terrace
Council tax band
na
Plot size
393 square metres (4,230 square feet) - map showing freehold boundary lines
Planning applications
Planning ref:
July 2021 C20/1003/44/LL
Type:
Full and householder planning application
Status:
Application approved with conditions
Address:
20 Lombard Street, Porthmadog, Gwynedd,
Description:
Newid defnydd llawr daear o ddefnydd swyddfa yn ol i ddau uned byw arwahan (1 uned eisoes ar y safle) / Change of use of ground floor used as an office back into two separate residential units (1 unit already on the site).

Planning ref:
July 2021 C20/1004/44/CR
Type:
Heritage application - conservation issues and listed buildings
Status:
Application approved with conditions
Address:
20 Lombard Street, Porthmadog, Gwynedd,
Description:
Addasiadau mewnol ac allanol i drosi'r adeilad yn ol i ddau uned / internal and external alterations to convert the building back into two units
EPC Inspections
Summary:
26 July 2022 - energy performance certificate grade C
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Marketed sale
Tenure:
Owner-occupied
Property type:
Mid-Terrace House , has 5 habitable rooms. Estimated year built before 1900
Area:
136 sqm (1,464 square foot) total internal area
Comments:
Walls: Granite or whinstone, with internal insulation. Roof: Roof room(s), insulated. Heating: Boiler and radiators, mains gas.
Frequently asked questions

20 Lombard 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 £313,149.
  • Based on an internal area of 136 m² and recent prices in Porthmadog, this implies a lower and upper quartile range from £233,000 to £419,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 20 Lombard Street last sold for £295,000 in March 2023.

HouseMetric shows 20 Lombard Street as 136 m² (1,464 sq ft), based on the latest internal area data available for this property.

The latest EPC rating shown by HouseMetric is C, from an inspection dated 26 July 2022. EPC information comes from the public Energy Performance Certificate data for England and Wales.

20 Lombard Street is in postcode LL49 9AP, in Porthmadog. You can also view HouseMetric's sold-price page for Lombard Street, LL49 9AP or analysis of the Porthmadog property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 2 July 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.