5, Lon Isa, CF14 6ED

5 Lon Isa is a 105 m² / 1,130 sq ft semi-detached home in Cardiff. It sold for £457,500 in March 2023. Indexed forward to today's value, that sale is roughly £473k. Recent local prices imply a broad valuation context of £354k to £495k based on its internal area. The Land Registry and EPC data was last updated 22 September 2026.

Property data
Sale history
Date Paid price Annual growth After inflation
Mar 2023 £457,500 5.1% 2.3%
Jan 2014 £290,000 3.6% 1.2%
Aug 2003 £200,000 24.1% 22.4%
May 2000 £99,500 na na
Floor plan

Archived estate agent floor plan for 5, Lon Isa.

Floorplan 5
View floorplan
Internal area
105 square metres (1,130 square feet) according to latest EPC inspection
Price per internal area

This property sold for £4,357 per square metre (£405 per square foot) in Mar 2023. Indexed forward to today's value, this is roughly £4,506 per square metre (£419 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Mar 2023 £457,500 £4,357 £473,084 £4,506
Jan 2014 £290,000 £2,762 £484,022 £4,610
Aug 2003 £200,000 £1,905 £484,044 £4,610
May 2000 £99,500 £948 £405,787 £3,865

Calculated using the latest EPC internal area of 105 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 £473,084. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Cardiff are now selling for between £3,370 and £4,710 per square metre (£313 and £437 per square foot). Based on an internal area of 105 m², this implies a valuation between £354,000 and £495,000. 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
4
Type
Semi-detached
Council tax band
F
Plot size
232 square metres (2,497 square feet) - map showing freehold boundary lines
Archived listings
History:
Archived sales listing for 5 Lon Isa. Advertised on multiple portals. It was added on 28/11/2022. It last appeared Apr 2023.
Photos:

There are 20 archived estate agent listing photos for 5 Lon Isa.

Photos for 5 Lon Isa
View photos
Advertiser remarks:
  • 3 bedrooms
  • 1 bathrooms
Planning applications
Planning ref:
September 2004 04/00729/N
Type:
Heritage application - conservation issues and listed buildings
Status:
Application approved
Address:
5 Lon Isa, Rhiwbina, Cardiff
Description:
GROUND FLOOR EXTENSION TO REAR OF 5 LON ISA - MATERIALS TO MATCH EXISTING, I.E. WELSH SLATE TO ROOF AND WHITEWASHED ROUGHCAST RENDER. INSERTION OF NEW 6-PANE WINDOW AND REPLACEMENT OF EXISTING DOOR ON THE SIDE ELEVATION
Planning ref:
August 2004 04/00875/W
Type:
Full and householder planning application
Status:
Application approved
Address:
5 Lon Isa, Rhiwbina, Cardiff
Description:
GROUND FLOOR EXTENSION AT REAR OF 5 LON ISA
EPC Inspections
Summary:
15 November 2022 - energy performance certificate grade D
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
marketed sale
Tenure:
Owner-occupied
Property type:
Semi-Detached House , has 6 habitable rooms. Estimated year built 1900 to 1929
Area:
105 sqm (1,130 square foot) total internal area
Comments:
Walls: Cavity wall, as built, no insulation (assumed). Roof: Pitched, 200 mm loft insulation. Heating: Boiler and radiators, mains gas.
Summary:
28 September 2013 - energy performance certificate grade E
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
marketed sale
Tenure:
Owner-occupied
Property type:
Semi-Detached House , has 6 habitable rooms. Estimated year built 1900 to 1929
Area:
107 sqm (1,152 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, 100 mm loft insulation. Heating: Boiler and radiators, mains gas.
Frequently asked questions

5 Lon Isa 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 £473,084.
  • Based on an internal area of 105 m² and recent prices in Cardiff, this implies a lower and upper quartile range from £354,000 to £495,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 5 Lon Isa last sold for £457,500 in March 2023.

HouseMetric shows 5 Lon Isa as 105 m² (1,130 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 4 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 15 November 2022. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 5 Lon Isa was in council tax band F. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

5 Lon Isa is in postcode CF14 6ED, in Cardiff. You can also view HouseMetric's sold-price page for Lon Isa, CF14 6ED or analysis of the Cardiff property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 22 September 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.