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91 Heol Isaf, Radyr, Cardiff, CF15 8DW

Property type
Semi-detached
Bedrooms
4
Bathrooms
2
Floor area
157 m²
1690 sq ft
Energy rating
D
Score 58
Council tax
Band G
Tenure
Owner Occupied
Overview

About 91 Heol Isaf

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

91 Heol Isaf is a four-bedroom semi-detached house in Radyr, Cardiff, Cardiff (CF15 8DW). It has a recorded floor area of 157 m² (around 1690 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (June 2022) shows a D (score 58), a step below the typical UK home. The recommended improvements would push it to C (score 79).

Across 1999–2022, sale prices on this property compounded at 6.9% per year. On a £-per-square-foot basis, the last sale (£284/sq ft) was about 32.1% above the typical sold price in the postcode. Most recent transfer: October 2022 at £480,000. 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

  • Bedrooms4
  • Bathrooms2

Outside

  • DrivewayYes

Building

  • Central heatingYes
Before you decide

Everything you need to know about 91 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.

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

EPC Rating

A
B
C
D
D58
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
6.5 t/year
Occupancy
Owner Occupied
SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-eraSemi-Detached HouseEPC DPre-1919 build

Because the property was built before 1919, we believe a Level 3 building survey should be considered.

From £1,085 · Includes VAT

Planning

Planning history

Applications and permits filed against 91 Heol Isaf, Radyr, Cardiff, CF15 8DW, sourced from the PlanIt planning register.

91 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.

91 Heol Isaf has more than quadrupled in price since its earliest registered sale in 1999.

Current estimate

£523,000

Modelled from EPC, postcode comparables and a sale-price growth of 6.9% per year over 23 years.

See how we calculated this
Last sold (2022)

£480,000

Growth on file: 6.9% per year over 23 years.

Sales timeline

  1. 25 October 2022Most recent

    £480,000

    +370.6%over 23 years

  2. 3 October 1999

    £102,000

Median price across the last 5 sales in CF15 8DW: £551,000 (2024–2020).

On the street

Versus other Heol Isaf homes

Four headline reads against 15 similar houses on this street, drawn from the latest EPC and Land Registry data.

On years held, 91 Heol Isaf runs well behind the street norm.

Price per m²

£3,057

Street avg £2,738

Above

Floor Area

157 m²

Street avg 158 m²

On par

Habitable Rooms

7 rooms

Street avg 7 rooms

On par

CO₂ Emissions

6.5 t/year

Street avg 7.3 t/year

On par
Before you decide

Everything you need to know about 91 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.
£514k

1 Clos Y Gwyddfid, Morganstown

CF15 8EX

4 bed2 bath
£555k

1 Clos Y Mynydd, Morganstown

CF15 8FH

4 bed2 bath
£584k

1 Clos Tylaway, Radyr

CF15 8DU

4 bed3 bath
£410k

1 Blaen Y Coed, Radyr

CF15 8RL

4 bed2 bath
£697k

1 Caer Idwen, Morganstown

CF15 8FZ

4 bed3 bath
£520k

1 Bryn Calch, Morganstown

CF15 8FD

5 bed2 bath
£498k

1 Ael Y Bryn, Radyr

CF15 8AZ

5 bed1 bath
£579k

1 Bates Court, Radyr

CF15 8EJ

5 bed3 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

0.1 km

Christ Church — 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 91 Heol Isaf, Radyr, Cardiff, CF15 8DW. Each answer is also embedded as structured data for search engines.