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Harlech House, Flat 6, Heol Isaf, Radyr, Cardiff, CF15 8AP

4 sales on record
Property type
Semi-detached
Floor 02
Bedrooms
2
Bathroom
1
Floor area
73 m²
786 sq ft
Energy rating
D
Score 68
Council tax
Band D
Tenure
Owner Occupied
Overview

About Harlech House

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

Harlech House is a two-bedroom semi-detached house in Radyr, Cardiff, Cardiff (CF15 8AP). It has a recorded floor area of 73 m² (around 786 sq ft), construction records dating it to 1976-1982 and council tax band D. At 73 m² this is the 4th smallest of 12 units on EPC record in Harlech House, where floor areas span 70–75 m². The building's EPC ratings span D to B, with this unit at the bottom. The latest certificate (July 2022) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 78).

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1995–2022, sale prices on this property compounded at 4.5% per year. Today's modelled estimate of £175,000 is 16.7% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£191/sq ft) was about 15.4% above the typical sold price in the postcode. Last sale on file: £150,000 in July 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms2
  • Bathrooms1
  • CloakroomYes

Outside

  • Communal gardenYes

Building

  • Heating systemGas
Before you decide

Everything you need to know about Harlech House

The true value, the hidden risks and the full sale history, in one report.

Larger development activity nearby

Pick your report · every report is £14.99

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Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

Harlech House sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.

EPC Rating

A
B
C
D
D68
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
2.9 t/year
Occupancy
Owner Occupied
SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Late 20th century2nd Floor FlatEPC D

We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.

From £495 · Includes VAT

Planning

Planning history

Applications and permits filed against Harlech House, Flat 6, Heol Isaf, Radyr, Cardiff, CF15 8AP, sourced from the PlanIt planning register.

Harlech House has no planning applications on record.

3

But the area is active

3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

Sale price has grown by over 3x since 1995.

Current estimate

£175,000

Modelled from EPC, postcode comparables and a sale-price growth of 4.5% per year over 27 years.

See how we calculated this
Last sold (2022)

£150,000

Growth on file: 4.5% per year over 27 years.

Sales timeline

  1. 21 July 2022Most recent

    £150,000

    +25.1%over 19 years

  2. 21 February 2003

    £119,950

    +126.3%over 3 years

  3. 5 August 1999

    £53,000

    +16.5%over 4 years

  4. 15 June 1995

    £45,500

Median price across the last 5 sales in CF15 8AP: £142,000 (2024–2018).

On the street

Versus other Heol Isaf homes

Four headline reads against 11 similar flats on this street, drawn from the latest EPC and Land Registry data.

On epc rating, Harlech House runs well behind the street norm.

Price per m²

£2,055

Street avg £1,848

Above

Floor Area

73 m²

Street avg 73 m²

On par

Habitable Rooms

4 rooms

Street avg 4 rooms

Above

CO₂ Emissions

2.9 t/year

Street avg 2.1 t/year

Strongly below
Before you decide

Everything you need to know about Harlech House

The true value, the hidden risks and the full sale history, in one report.

Larger development activity nearby

Pick your report · every report is £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£178k

Harlech House, Flat 1, Heol Isaf, Radyr

CF15 8AP

Flat2 bed
£183k

Argyll Court, Flat 3, Maes Yr Awel, Radyr

CF15 8AW

Flat2 bed
£186k

Harlech House, Flat 9, Heol Isaf, Radyr

CF15 8AP

Flat2 bed1 bath
£198k

Castle Court, Flat 2, Caer Graig, Radyr

CF15 8RD

Flat2 bed
£199k

Argyll Court, Flat 1, Maes Yr Awel, Radyr

CF15 8AW

Flat2 bed
£200k

Harlech House, Flat 3, Heol Isaf, Radyr

CF15 8AP

Flat2 bed1 bath
£141k

Castle Court, Flat 1, Caer Graig, Radyr

CF15 8RD

Flat2 bed
£219k

Argyll Court, Flat 6, Maes Yr Awel, Radyr

CF15 8AW

Flat2 bed1 bath
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Cardiff district page.
Full Cardiff report

Rail-style transport is unusually close for this postcode.

Crime

2/mo

Steady year-on-year across the wider district.

Nearest stop

0.0 km

Danybryn — bus stop.

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about Harlech House, Flat 6, Heol Isaf, Radyr, Cardiff, CF15 8AP. Each answer is also embedded as structured data for search engines.