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91 Heol Isaf, Radyr, Cardiff, CF15 8DW

Estimated value

£525,000

  • Since the 2022 sale (£480,000)+9%
  • Against CF15 8DW's recent median (£551,000)-5%

Newest record on this page: October 2024. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation
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
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Valuation

About this valuation

How the figure is worked out and what it's based on. If you know this home, you can tell other visitors what you think it's worth.

Our estimate

£525,000

  • Against its 2022 sale (£480,000)+9%
  • Against CF15 8DW's recent median (£551,000)-5%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 91 Heol Isaf is modelled from its 157 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF15 8DW. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.

What it's based on

  • Floor area

    157 m² from the EPC lodged in June 2022

  • Sales of this home

    2 sales recorded, the latest in 2022

  • Recent sales in CF15 8DW

    5 sales, median £551,000 (2024–2020)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: October 2024Latest available records, read when you order
ValuationEstimate from the last refreshAnalysed against comparable sales
PlanningNone on this homeFull history, plus nearby schemes
Flood riskNot shownIncluded
Price

Sales history & valuation

Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.

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

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).

Risks

What this page doesn't show

1 potential issue has already been flagged for 91 Heol Isaf, Radyr, Cardiff, CF15 8DW. The detail, evidence and what to ask about it are in the Risks Report.
  • Larger development activity nearbyIn report
  • Flood risk from rivers, sea and surface waterIn report
  • Subsidence and ground-stability signalsIn report
  • Refusals, enforcement and big schemes nearbyIn report

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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 · from £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.

Current Certificate
Jun 2022

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

Certificate validity

Valid until 1 June 2032

5 years remaining
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.

1

But the area is active

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

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
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

85/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Christ Church — bus stop.

Nearest stops

  • Christ ChurchBus stop91m
  • Woodfield AvenueBus stop176m
  • Kings RdBus stop177m
  • Radyr Comprehensive SchoolBus stop211m

Most reported crime locally

  • Violence & Sexual Offences366 reports33%
  • Anti-social Behaviour150 reports14%
  • Public Order141 reports13%
  • Shoplifting104 reports9%

Go deeper on the local area

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

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

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£512k

1 Clos Y Gwyddfid, Morganstown

CF15 8EX

4 bed2 bath
£583k

1 Clos Y Mynydd, Morganstown

CF15 8FH

4 bed2 bath
£630k

1 Clos Tylaway, Radyr

CF15 8DU

4 bed3 bath
£421k

1 Blaen Y Coed, Radyr

CF15 8RL

4 bed2 bath
£743k

1 Caer Idwen, Morganstown

CF15 8FZ

4 bed3 bath
£498k

1 Bryn Calch, Morganstown

CF15 8FD

5 bed2 bath
£497k

1 Ael Y Bryn, Radyr

CF15 8AZ

5 bed1 bath
£601k

1 Bates Court, Radyr

CF15 8EJ

5 bed3 bath

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Method

How to read this page

Where every figure above comes from, how current it is and what it can't tell you.
Valuation method in detail
How the estimate is made
The estimate for 91 Heol Isaf is modelled from its 157 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF15 8DW. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
Where sold prices come from
Sold prices are HM Land Registry Price Paid Data, which covers residential sales in England and Wales since 1995. 2 sales are recorded for 91 Heol Isaf. Sales normally appear two to three months after completion, so the most recent ones take time to show up anywhere.
Reading the EPC
Energy Performance Certificates rate homes from A (most efficient) to G and last 10 years. The latest one for 91 Heol Isaf was lodged in June 2022 at band D and is valid until June 2032. Floor area, heating and insulation details on this page come from it.
Planning records
Planning applications are collected from local authority registers through PlanIt. None is matched to 91 Heol Isaf. Councils sometimes file applications under a different address format, and applications on neighbouring land aren't listed here; the report covers both.
Area figures
Crime is police-recorded street-level data over the last 13 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from CF15 8DW.
Council tax band
91 Heol Isaf is in council tax band G. Bands are set by the Valuation Office Agency from historic values (1 April 1991 in England, 1 April 2003 in Wales), not today's price; the amount you pay depends on the council's rate for the band.
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.

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