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31 Heol Isaf, Radyr, Cardiff, CF15 8AG

Property type
Semi-detached
Habitable rooms
11
From EPC
Floor area
263 m²
2831 sq ft
Energy rating
D
Score 66
Council tax
Band H
Tenure
Owner Occupied
Overview

About 31 Heol Isaf

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

31 Heol Isaf is a semi-detached house in Radyr, Cardiff, Cardiff (CF15 8AG). It has a recorded floor area of 263 m² (around 2831 sq ft), construction records dating it to 1900-1929 and council tax band H. The latest certificate (June 2025) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 79).

At 263 m² the property is well over the postcode median (159 m² across 4 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 75% of similar EPCs).

Before you decide

Everything you need to know about 31 Heol Isaf

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
Energy

Energy performance

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

31 Heol Isaf's carbon output runs well above what efficient homes in the postcode produce.

EPC Rating

A
B
C
D
D66
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
9.1 t/year
Occupancy
Owner Occupied
SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-eraSemi-Detached HouseEPC DPre-1919 buildSolid (non-cavity) walls

Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.

From £1,360 · Includes VAT

Planning

Planning history

Applications and permits filed against 31 Heol Isaf, Radyr, Cardiff, CF15 8AG, sourced from the PlanIt planning register.

31 Heol Isaf 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.

31 Heol Isaf has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.

Current estimate

£807,000

Modelled from EPC, postcode comparables.

See how we calculated this

No sales recorded with HM Land Registry

That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.

Median price across the last 5 sales in CF15 8AG: £352,000 (2023–2004).

Before you decide

Everything you need to know about 31 Heol Isaf

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.
£697k

1 Caer Idwen, Morganstown

CF15 8FZ

4 bed3 bath
£667k

1 Clos Harry Corner, Radyr

CF15 8GR

£584k

1 Clos Tylaway, Radyr

CF15 8DU

4 bed3 bath
£579k

1 Bates Court, Radyr

CF15 8EJ

5 bed3 bath
£555k

1 Cilfedw, Radyr

CF15 8AR

£555k

1 Clos Y Mynydd, Morganstown

CF15 8FH

4 bed2 bath
£520k

1 Bryn Calch, Morganstown

CF15 8FD

5 bed2 bath
£518k

1 Bryncoed, Radyr

CF15 8RH

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

0.1 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 31 Heol Isaf, Radyr, Cardiff, CF15 8AG. Each answer is also embedded as structured data for search engines.